WO1988009520A1 - Mount for optical elements - Google Patents

Mount for optical elements Download PDF

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Publication number
WO1988009520A1
WO1988009520A1 PCT/CH1988/000094 CH8800094W WO8809520A1 WO 1988009520 A1 WO1988009520 A1 WO 1988009520A1 CH 8800094 W CH8800094 W CH 8800094W WO 8809520 A1 WO8809520 A1 WO 8809520A1
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WO
WIPO (PCT)
Prior art keywords
adjusting
socket
optical
adjustment
socket according
Prior art date
Application number
PCT/CH1988/000094
Other languages
German (de)
French (fr)
Inventor
Max Appius
Original Assignee
Wild Heerbrugg Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wild Heerbrugg Ag filed Critical Wild Heerbrugg Ag
Publication of WO1988009520A1 publication Critical patent/WO1988009520A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Definitions

  • the invention relates to a holder for optical elements, according to the preamble of patent claim 1.
  • Such frames serve for the precise mechanical mounting of optical elements, for example the lenses of a lens, in precisely defined positions within an optical system, and also in several ways: for example, the frame holds the lenses of an object at a certain distance from one another, furthermore in the correct radial position, in which the lens center coincides with the optical axis of the system, and in the correct inclination of the lens plane perpendicular to the optical axis of the system.
  • the frame holds the lenses of an object at a certain distance from one another, furthermore in the correct radial position, in which the lens center coincides with the optical axis of the system, and in the correct inclination of the lens plane perpendicular to the optical axis of the system.
  • slight deviations of a lens with respect to one of these three main criteria result in undesirable system errors.
  • a fine correction of the lens adjustment takes place, in which individual lenses, in particular those which critically influence the system, are corrected with regard to their relative position.
  • the overall error of a lens system can be optimally corrected taking into account all manufacturing tolerances of the individual lenses and the mechanical components involved.
  • Correct lens inclination i.e. the position of the lens plane perpendicular to the optical axis of the system, is particularly important when correcting when a high-performance lens is assembled.
  • the centering of the lens body with respect to the optical axis also has a considerable influence on the accuracy of the system.
  • the lenses of precision objects are inserted or fitted into very precisely manufactured frames.
  • the spacing of the individual lenses is guaranteed by fixed or adjustable intermediate rings.
  • auxiliary frames for the individual lenses are also known, in which the lenses are embedded using mechanical means, by gluing or other adhesives.
  • Word directions are also known in order to compensate for the influences of the different materials, for example with regard to their coefficient of expansion, without the lens bodies being damaged or the optical properties of the system being changed inadmissibly.
  • the desired distances between the individual elements are set, for example, by appropriate design of the auxiliary frames or by non-realizable spacer elements. Examples of lens systems which are constructed according to the last-mentioned principle are known from DE-OS 15 72 729.
  • GB-PS 1 528 084 a resilient mounting of individual lenses in the axial direction is known.
  • the lenses are pressed without play against a support in the frame body, a spring ring acting on the opposite side of the support, viewed in the axial direction, preferably at individual points on the lens surface and thus pressing the lens body against the support.
  • a frame with a spring ring is known from FR-OL 2 428 852, which acts on the periphery of the lens body and is intended to center the lens body axially with respect to the frame body. This is intended to compensate for an axis replacement between the optical axis of the lens and the mechanical system axis.
  • This suggestion is not sufficient for reproducible fine-tuning of system errors that arise due to manufacturing-related tolerances of the individual lenses, especially with the high accuracy requirements mentioned above.
  • none of the previously suggested solutions for fine adjustment of individual elements of an optical system with respect to the criteria mentioned at the outset is sufficient, as is required, for example, for the lenses of high-performance objects.
  • This measure makes it possible to align individual optical elements particularly simply and reliably, and the adjustment can be carried out from the outside when the system is assembled. This considerably simplifies the adjustment, in particular of high-performance lenses, and increases the reliability for optimal adjustment.
  • Fig. 4 is a partial view of the adjustment device for the embodiment of FIGS. 3A and 3B.
  • 5A and 5B section and top view for an adjusting device of an auxiliary frame in a main frame.
  • the invention described in more detail below with reference to the examples essentially provides an auxiliary version, which in turn is inserted into a main version.
  • the auxiliary frame has adjustment devices for adjustment in three degrees of freedom.
  • it is provided with adjusting elements for the angular orientation of the mounted optical element and for the individually adjustable mutual spacing along the optical axis.
  • auxiliary frame Preferably there are second adjustment means between the auxiliary frame and the main frame, so that the auxiliary frame with the optical element relative to the main frame in the three remaining degrees of freedom, in particular in a plane perpendicular to the optical axis, for example in the X and Y directions, can be adjusted with the optical system axis as the Z axis.
  • a lens 1 is held in an auxiliary frame 2.
  • three eccentric adjusting devices 4A, 4B and 4C are provided on the outer periphery of the auxiliary frame 2.
  • the eccentric of this adjusting device rests on a base 3, which is represented in the preferred example by the main version described in more detail later.
  • a compression spring 5 in the area of each of the eccentric adjustment devices 4 provides a counter pressure on the auxiliary frame 2, whereby the adjustment device is pressed against the base 3 without play.
  • the eccentric of the adjusting device is in the form of an Archimedean spiral.
  • the adjusting device 4 is provided with a slot 6, so that the adjusting device 4 can be secured from the outside with a suitable tool, e.g. with a screwdriver.
  • the lens plane can be adjusted at right angles to the optical axis Z of the system.
  • the distance to the next element of the system can be regulated.
  • the common adjustment can be carried out, for example, by an auxiliary device (not shown in more detail) which simultaneously engages in the slots 6 of the three adjusting devices 4A, 4B, 4C and carries out a coordinated adjustment.
  • FIGS. 3A, 3B and 4 show a further exemplary embodiment, in which the adjustment devices are designed as balls 11, which are located in ball sockets 12 and 13 on the auxiliary frame 2 and on the base 3, respectively. 4, the ball socket 12 can be attached directly to the auxiliary frame 2 with the aid of a cage 14.
  • balls with different diameters can be inserted into the individual pans, which allows the angular position of the lens plane with respect to the optical axis Z to be set, or all balls can be replaced by new balls whose diameter is the same amount as the old ones Different ball diameters in order to set the distance to a neighboring element to the desired value. If it proves to be expedient in the individual case, the diameter of the balls can remain constant and instead the ball sockets 12 and 13 can be changed by appropriate grinding or by widening central bores 15, 16. Instead of balls and pans, any other pairs of shaped elements with similar properties can also be used.
  • the auxiliary mount 22 shown in dash-dot lines in FIG. 5A can be adjusted in a main mount 23 in a plane perpendicular to the optical axis Z.
  • second adjustment devices 24A and 24B are provided on the main frame, which are supplemented by diametrically opposite compression springs 25, 26, so that the auxiliary frame 22 is pressed against the second adjustment devices 24A, 24B under the influence of the compression springs 25, 25.
  • the second adjusting devices 24A, 24B can in turn be designed as eccentrics, preferably in the form of Archimedean spirals. Via a slot 27, the eccentrics can be externally, e.g. with the help of a screwdriver. As indicated in FIG. 5B, this results in an adjustment possibility via the second adjustment device 24A in the X direction and via 24B in the Y direction.
  • the auxiliary frame can be rotated around the optical axis Z within the main frame.
  • the contact points between the adjustment devices and the parts to be manufactured are of perfect kinematic design. For example, they are designed as sliding surfaces on two cylinder surfaces which are rotated 90 degrees relative to one another and which only touch at exactly one point.
  • the combination ball / socket allows a play-free contact between the adjustment devices and the parts to be adjusted and, preferably in connection with the counter-pressure elements, an exact position, even when subjected to shock and vibration.

Abstract

A mount for optical elements belonging to an optical system has an auxiliarly mount for the optical element. The auxiliary mount has at least three bearing points on the outer circumference upon which it is supported against other components of the system. The bearing points are shaped as adjusting devices (4) for individually adjusting the optical element (1) in relation to the other components of the system with three degrees of freedom. Between the auxiliary mount (2) and the main mount (3) are arranged second adjusting devices (24) for adjusting the optical element (1) with three supplementary degrees of freedom. The first adjusting devices (4) are preferably spacer blocks shaped as an Archimedes' screw.

Description

FASSUNG FÜR OPTISCHE ELEMENTE SOCKET FOR OPTICAL ELEMENTS
Die Erfindung betrifft eine Fassung für optische Elemente, gemäss dem Oberbegriff des Patentanspruchs 1.The invention relates to a holder for optical elements, according to the preamble of patent claim 1.
Solche Fassungen dienen der präzisen mechanischen Halterung υon optischen Elementen, z.B. den Linsen eines Objektivs, in genau bestimmten Positionen innnerhalb eines optischen Systems, und zuar in mehrfacher Hinsicht: Durch die Fassung werden z.B. die Linsen eines Objekti.s in einer bestimmten Distanz zueinander gehalten, ferner in der korrekten radialen Position, in welcher das Linsenzentrum mit der optischen Achse des Systems zusammenfällt, sowie in der korrekten Neigung der Linsenebene rechtwinklig zur optischen Achse des Systems. Insbesondere bei Hochleistungsobjektiven haben schon geringfügige Abweichungen einer Linse bezüglich eines dieser drei Hauptkri'terien unerwünschte Systemfehler zur Folge. In Linsensystemen erfolgt daher nach dem Zusammenbau eine Feinkorrektur der Linsenjustierung, bei welcher einzelne, insbesondere das System kritisch beeinflussende Linsen hinsichtlich ihrer Relatiuposition korrigiert werden. Nur durch diese Massnahmen lässt sich der Gesamtfehler eines Linsensystems unter Berücksichtigung aller Fertigungstoleranzen der einzelnen Linsen sowie der beteiligten mechaniscehn Bauteile optimal korrigieren. Von besonderem Einfluss bei der Korrektur im zusammengebauten Zustand eines Hochleistungsobjektivs ist die korrekte Linsenneigung, also die Lage der Linsenebene rechtwinklig zur optischen Achse des Systems. Ebenso ist die Zentrierung des Linsenkörpers zur optischen Achse υon erheblichem Einfluss auf die Genauigkeit des Systems.Such frames serve for the precise mechanical mounting of optical elements, for example the lenses of a lens, in precisely defined positions within an optical system, and also in several ways: for example, the frame holds the lenses of an object at a certain distance from one another, furthermore in the correct radial position, in which the lens center coincides with the optical axis of the system, and in the correct inclination of the lens plane perpendicular to the optical axis of the system. In the case of high-performance lenses in particular, slight deviations of a lens with respect to one of these three main criteria result in undesirable system errors. In lens systems, therefore, after assembly, a fine correction of the lens adjustment takes place, in which individual lenses, in particular those which critically influence the system, are corrected with regard to their relative position. Just Through these measures, the overall error of a lens system can be optimally corrected taking into account all manufacturing tolerances of the individual lenses and the mechanical components involved. Correct lens inclination, i.e. the position of the lens plane perpendicular to the optical axis of the system, is particularly important when correcting when a high-performance lens is assembled. The centering of the lens body with respect to the optical axis also has a considerable influence on the accuracy of the system.
Gemäss dem Stand der Technik werden die Linsen υon Präzisionsobjektiυen in sehr genau hergestellte Fassungen eingesetzt bzw. eingepasst. Die Abstände der Einzellinsen werden durch fixe oder abstimmbare Zwischenringe gewährleistet. Statt des direkten Einfügens der Linsen in eine Gesamtfassung sind auch Hilfsfassungen für die Einzellinsen bekannt, in welche die Linsen mit Hilfe mechanischer Mittel, durch Einkleben oder sonstige Haftmittel eingebettet werden. Dabei sind auch Worrichtungen bekannt, um die Einflüsse der unterschiedlichen Materialien, z.B. bezüglich ihres Ulärmeausdehnungskoeffizienten, auszugleichen, ohne dass die Linsenkörper dabei Schaden nehmen oder die optischen Eigenschaften des Systems unzulässig υerändert werden. Für das Einbauen der aus Linse und Hilfsfassung bestehenden Kombination in die Hauptfassung gelten bezüglich der Genauigkeit des Gesamtsystems die gleichen Kriterien wie anfangs allge mein erwähnt. Die gewünschten Abstände zwischen den Einzelelementen werden z.B. durch entsprechende Gestaltung der Hilfsfassungen oder durch nicht υerstellbare Distanzelemente eingestellt. Beispiele für Linsensysteme, welche nach dem zuletzt erwähnten Prinzip aufgebaut sind, sind aus der DE-OS 15 72 729 bekannt.According to the state of the art, the lenses of precision objects are inserted or fitted into very precisely manufactured frames. The spacing of the individual lenses is guaranteed by fixed or adjustable intermediate rings. Instead of directly inserting the lenses into an overall frame, auxiliary frames for the individual lenses are also known, in which the lenses are embedded using mechanical means, by gluing or other adhesives. Word directions are also known in order to compensate for the influences of the different materials, for example with regard to their coefficient of expansion, without the lens bodies being damaged or the optical properties of the system being changed inadmissibly. For the installation of the combination consisting of lens and auxiliary frame in the main frame, the same criteria apply with regard to the accuracy of the overall system as at the beginning my mentioned. The desired distances between the individual elements are set, for example, by appropriate design of the auxiliary frames or by non-realizable spacer elements. Examples of lens systems which are constructed according to the last-mentioned principle are known from DE-OS 15 72 729.
Aus GB-PS 1 528 084 ist eine federnde Lagerung υon Einzellinsen in axialer Richtung bekannt. Dabei werden die Linsen spielfrei an eine Auflage im Fassungskörper gepresst, wobei auf der Gegenseite der Auflage, in axialer Richtung gesehen, ein Federring vorzugsweise an einzelnen Punkten αer Linsenfläche angreift und damit den Linsenkörper gegen die Auflage drückt. Sind die Linsen einmal im Fassungskörper montiert, lassen sie sich anschliessend nicht mehr fein-justieren, wie dies für hochpräzise Systeme erforderlich ist.From GB-PS 1 528 084 a resilient mounting of individual lenses in the axial direction is known. The lenses are pressed without play against a support in the frame body, a spring ring acting on the opposite side of the support, viewed in the axial direction, preferably at individual points on the lens surface and thus pressing the lens body against the support. Once the lenses are mounted in the frame body, they can no longer be fine-tuned, as is required for high-precision systems.
Andererseits ist aus FR-OL 2 428 852 eine Fassung mit einem Federring bekannt, der an der Peripherie des Linsenkörpers angreift und den Linsenkörper axial bezüglich des Fassungskörpers zentrieren soll. Damit soll ein Achsenυersatz zwischen der optischen Achse der Linse und der mechanischen System-Achse aufgefangen werden. Dieser Uorschlag genügt nicht zur reproduzierbaren Feinkorrektur υon Systemfehlern, die sich durch fertigungsbedingte Toleranzen der Einzellinsen einstellen, insbesondere bei den oben genannten hohen Genauigkeitsanforderungen. Insgesamt genügt keine der bisher υorgeschlagenen Lösungen zur Feineinstellung einzelner Elemente eines optischen Systems bezüglich der eingangs erwähnten Kriterien, wie dies z.B. für die Linsen υon Hochleistungsobjektiυen erforderlich ist.On the other hand, a frame with a spring ring is known from FR-OL 2 428 852, which acts on the periphery of the lens body and is intended to center the lens body axially with respect to the frame body. This is intended to compensate for an axis replacement between the optical axis of the lens and the mechanical system axis. This suggestion is not sufficient for reproducible fine-tuning of system errors that arise due to manufacturing-related tolerances of the individual lenses, especially with the high accuracy requirements mentioned above. Overall, none of the previously suggested solutions for fine adjustment of individual elements of an optical system with respect to the criteria mentioned at the outset is sufficient, as is required, for example, for the lenses of high-performance objects.
Es ist Aufgabe der υorliegenden Erfindung, eine Fassung für optische Elemente zu schaffen, welche das indiυiduelle Justieren υon optischen Einzelelementen innerhalb eines optischen Systems erlaubt, um die Elemente äusserst genau zentrieren zu können und sie insbesondere bezüglich des Winkels zur optischen Achse des Systems ausrichten zu können.It is an object of the present invention to provide a holder for optical elements which allows individual adjustment of individual optical elements within an optical system in order to be able to center the elements very precisely and to be able to align them in particular with respect to the angle to the optical axis of the system .
Diese Aufgabe wird erfindungsgemäss durch die in Patentanspruch 1 definierten Merkmale gelöst.This object is achieved according to the invention by the features defined in claim 1.
Durch diese Massnahme lassen sich einzelne optische Elemente besonders einfach und zuverlässig ausrichten, wobei die Justierung im züsammengebauten Zustand des Systems von aussen erfolgen kann. Dadurch wird die Justierung insbesondere υon Hochleistungsobjektiven erheblich vereinfacht und die Zuverlässigkeit für eine optimale Justierhaltung erhöht.This measure makes it possible to align individual optical elements particularly simply and reliably, and the adjustment can be carried out from the outside when the system is assembled. This considerably simplifies the adjustment, in particular of high-performance lenses, and increases the reliability for optimal adjustment.
Im folgenden wird die Erfindung anhand bevorzugter Ausführungsbeispiele mit Hilfe der Zeichnungen näher erläutert. Es zeigen: Fig.1A und 1B Schnitt und Aufsicht für ein erstes Ausführungsbeispiel einer Linsenfassung,The invention is explained in more detail below with the aid of preferred exemplary embodiments with the aid of the drawings. Show it: 1A and 1B section and top view for a first embodiment of a lens frame,
Fig. 2 eine exzentrische Verstelleinrichtung gemäss Fig.1,2 shows an eccentric adjustment device according to FIG. 1,
Fig. 3A und 3B Schnitt und Aufsicht für ein zweites Ausführungsbeispiel,3A and 3B section and top view for a second embodiment,
Fig. 4 eine Teilansicht der Justiereinrichtung für das Ausführungsbeispiel nach den Fig. 3A und 3B, undFig. 4 is a partial view of the adjustment device for the embodiment of FIGS. 3A and 3B, and
Fig. 5A und 5B Schnitt und Aufsicht für eine Justiereinrichtung einer Hilfsfassung in einer Hauptfassung.5A and 5B section and top view for an adjusting device of an auxiliary frame in a main frame.
Die im folgenden anhand der Beispiele näher beschriebene Erfindung sieht im wesentlichern eine Hilfsfassung vor, welche wiederum in eine Hauptfassung eingesetzt ist. Die Hilfsfassung weist dabei Verstelleinrichtungen zum Justieren in drei Freiheitsgraden auf. Insbesondere ist sie mit Justierelementen für die ωinkelausrichtung des gefassten optischen Elementes und für die individuell einstellbare gegenseitige Abstandshaltung längs der optischen Achse versehen.The invention described in more detail below with reference to the examples essentially provides an auxiliary version, which in turn is inserted into a main version. The auxiliary frame has adjustment devices for adjustment in three degrees of freedom. In particular, it is provided with adjusting elements for the angular orientation of the mounted optical element and for the individually adjustable mutual spacing along the optical axis.
Vorzugsweise befinden sich zwischen der Hilfsfassung und der Hauptfassung zweite Justiermittel, so dass die Hilfsfassung mit dem optischen Element relativ zur Hauptfassung in den drei restlichen Freiheitsgraden, insbesondere in einer Ebene senkrecht zur optischen Achse, also z.B. in X- und Y- Richtung, mit der optischen Systemachse als Z-Achse, justierbar ist.Preferably there are second adjustment means between the auxiliary frame and the main frame, so that the auxiliary frame with the optical element relative to the main frame in the three remaining degrees of freedom, in particular in a plane perpendicular to the optical axis, for example in the X and Y directions, can be adjusted with the optical system axis as the Z axis.
Gemäss einem ersten Ausführungsbeispiel nach den Figuren 1A und 1B ist eine Linse 1 in einer Hilfsfassung 2 gefasst. An der äusseren Peripherie der Hilfsfassung 2 sind im Beispiel drei exzentrische Verstelleinrichtungen 4A, 4B und 4C vorgesehen. Der Exzenter dieser Uerstelleinrichtung liegt an einer Basis 3 an, welche im bevorzugten Beispiel durch die später näher beschriebene Hauptfassung dargestellt wird. Eine Druckfeder 5 im Bereich jeder der exzentrischen Verstelleinrichtungen 4 sorgt für einen Gegendruck auf die Hilfsfassung 2, wodurch die Uerstelleinrichtung spielfrei gegen die Basis 3 gedrückt wird.According to a first exemplary embodiment according to FIGS. 1A and 1B, a lens 1 is held in an auxiliary frame 2. In the example, three eccentric adjusting devices 4A, 4B and 4C are provided on the outer periphery of the auxiliary frame 2. The eccentric of this adjusting device rests on a base 3, which is represented in the preferred example by the main version described in more detail later. A compression spring 5 in the area of each of the eccentric adjustment devices 4 provides a counter pressure on the auxiliary frame 2, whereby the adjustment device is pressed against the base 3 without play.
Im bevorzugten Beispiel hat der Exzenter der Verstelleinrichtung die Form einer archimedischen Spirale. Wie Fig. 2 zeigt, ist die Verstelleinrichtung 4 mit einem Schlitz 6 versehen, so dass sich die VerStelleinrichtung 4 von aussen mit einem geeigneten Werkzeug, z.B. mit einem Schraubenzieher, verstellen lässt.In the preferred example, the eccentric of the adjusting device is in the form of an Archimedean spiral. As shown in Fig. 2, the adjusting device 4 is provided with a slot 6, so that the adjusting device 4 can be secured from the outside with a suitable tool, e.g. with a screwdriver.
Durch Einzelverstellung einer der drei Verstelleinrichtungen 4A, 4B, 4C lässt sich die Linsenebene rechtwinklig zur optischen Achse Z des Systems justieren. Durch gemeinsame gleich gerichtete Verstellung aller drei Verstelleinrichtungen 4A, 4B, 4C lässt sich die Distanz zum nächsten Element des Systems regulieren. Die gemeinsame Verstellung kann beispielsweise durch eine nicht näher dargestellte Hilfsvorrichtung erfolgen, welche gleichzeitig in die Schlitze 6 der drei Verstelleinrichtungen 4A, 4B, 4C eingreift und eine koordinierte Verstellung vornimmt.By individually adjusting one of the three adjusting devices 4A, 4B, 4C, the lens plane can be adjusted at right angles to the optical axis Z of the system. By common the same directional adjustment of all three adjustment devices 4A, 4B, 4C, the distance to the next element of the system can be regulated. The common adjustment can be carried out, for example, by an auxiliary device (not shown in more detail) which simultaneously engages in the slots 6 of the three adjusting devices 4A, 4B, 4C and carries out a coordinated adjustment.
Die Figuren 3A, 3B und 4 zeigen ein weiteres Ausführungsbeispiel, in welchem die Verstelleinrichtungen als Kugeln 11 ausgebildet sind, welche in Kugelpfannen 12 und 13 an der Hilfsfassung 2 bzw. an der Basis 3 liegen. Gemäss Fig. 4 kann die Kugelpfanne 12 mit Hilfe eines Käfigs 14 direkt an der Hilfsfassung 2 angebracht sein.FIGS. 3A, 3B and 4 show a further exemplary embodiment, in which the adjustment devices are designed as balls 11, which are located in ball sockets 12 and 13 on the auxiliary frame 2 and on the base 3, respectively. 4, the ball socket 12 can be attached directly to the auxiliary frame 2 with the aid of a cage 14.
Zum Justieren können entweder Kugeln mit unterschiedlichen Durchmessern in die einzelnen Pfannen eingesetzt werden, wodurch sich die Winkellage der Linsenebene gegenüber der optischen Achse Z einstellen lässt, oder es können alle Kugeln ersetzt werden durch neue Kugeln, deren Durchmesser sich um den gleichen Betrag von den alten Kugeldurchmessern unterscheidet, um so den Abstand zu einem Nachbarelement auf den gewünschten Wert einzustellen. Sofern es sich im Einzelfall als zweckmässig erweist, können die Durchmesser der Kugeln konstant bleiben und statt dessen die Kugelpfannen 12 bzw. 13 durch entsprechendes Abschleifen oder durch Aufweiten von Zentralbohrungen 15, 16 verändert werden. Anstelle von Kugeln und Pfannen können auch beliebige andere Formelement-Paare mit ähnlichen Eigenschaften verwendet werden.For adjustment, either balls with different diameters can be inserted into the individual pans, which allows the angular position of the lens plane with respect to the optical axis Z to be set, or all balls can be replaced by new balls whose diameter is the same amount as the old ones Different ball diameters in order to set the distance to a neighboring element to the desired value. If it proves to be expedient in the individual case, the diameter of the balls can remain constant and instead the ball sockets 12 and 13 can be changed by appropriate grinding or by widening central bores 15, 16. Instead of balls and pans, any other pairs of shaped elements with similar properties can also be used.
Gemäss den Figuren 5A und 5B ist die in Fig. 5A strichpunktiert gezeichnete Hilfsfassung 22 in einer Hauptfassung 23 in einer Ebene senkrecht zur optischen Achse Z justierbar. Zu diesem Zweck sind an der Hauptfassung zweite Verstelleinrichtungen 24A und 24B vorgesehen, welche durch diametral gegenüberliegende Druckfedern 25, 26 ergänzt sind, so dass die Hilfsfassung 22 unter dem Einfluss der Druckfedern 25, 25 gegen die zweiten Verstelleinrichtungen 24A, 24B gepresst wird. Die zweiten Verstelleinrichtungen 24A, 24B können wiederum als Exzenter, vorzugsweise in Form von archimedischen Spiralen, ausgebildet sein. Über einen Schlitz 27 lassen sich die Exzenter von aussen, z.B. mit Hilfe eines Schraubenziehers, verstellen. Wie in Fig. 5B angedeutet, ergibt sich so eine Verstellmöglichkeit über die zweite Verstelleinrichtung 24A in X-Richtung und über 24B in Y- Richtung. Ausserdem lässt sich die Hilfsfassung innerhalb der Hauptfassung um die optische Achse Z verdrehen.According to FIGS. 5A and 5B, the auxiliary mount 22 shown in dash-dot lines in FIG. 5A can be adjusted in a main mount 23 in a plane perpendicular to the optical axis Z. For this purpose, second adjustment devices 24A and 24B are provided on the main frame, which are supplemented by diametrically opposite compression springs 25, 26, so that the auxiliary frame 22 is pressed against the second adjustment devices 24A, 24B under the influence of the compression springs 25, 25. The second adjusting devices 24A, 24B can in turn be designed as eccentrics, preferably in the form of Archimedean spirals. Via a slot 27, the eccentrics can be externally, e.g. with the help of a screwdriver. As indicated in FIG. 5B, this results in an adjustment possibility via the second adjustment device 24A in the X direction and via 24B in the Y direction. In addition, the auxiliary frame can be rotated around the optical axis Z within the main frame.
Die Kontaktstellen zwischen den Verstelleinrichtungen und den zu υerstellenden Teilen sind υon einwandfreier kinematischer Gestaltung. Z.B. sind sie als Gleitflächen an zwei um 90 Grad gegeneinander υerdrehten Zylinderflächen ausgebildet, welche sich nur an genau einem Punkt berühren. Insbesondere die Kombination Kugel/Pranne erlaubt einen spielfreien Kontakt zwischen den Verstellvorrichtungen und den zu verstellenden Teilen und, vorzugsweise in Verbindung mit den Gegendruckelementen, eine exakte Positionshaltung, auch bei Schock- und Vibrationsbeanspruchung. The contact points between the adjustment devices and the parts to be manufactured are of perfect kinematic design. For example, they are designed as sliding surfaces on two cylinder surfaces which are rotated 90 degrees relative to one another and which only touch at exactly one point. In particular, the combination ball / socket allows a play-free contact between the adjustment devices and the parts to be adjusted and, preferably in connection with the counter-pressure elements, an exact position, even when subjected to shock and vibration.

Claims

P A T E N T A N S P R Ü C H E PATENT CLAIMS
1. Fassung für optische Elemente, die zu einem optischen System gehören, bestehend aus einer Hilfsfassung für das optische Element, wobei die Hilfsfassung mindestens drei Stützpunkte im äusseren Umfangsbereich aufweist, mit denen sie gegen andere Systemkomponenten abgestützt ist, dadurch gekennzeichnet, dass die Stützpunkte als Versteileinrichtungen (4A, 4B, 4C) ausgebildet sind, zur individuellen Verstellung des optischen Elements (1) gegenüber den anderen Systemkomponenten in drei Freiheitsgraden und dass zwischen der Hilfsfassung (2) und der Hauptfassung (3) zweite Verstelleinrichtungen (24A, 24B) vorgesehen sind zur Verstellung des optischen Elements (1) in drei weiteren Freiheitsgraden.1. Socket for optical elements belonging to an optical system, consisting of an auxiliary socket for the optical element, the auxiliary socket having at least three support points in the outer peripheral region, with which it is supported against other system components, characterized in that the support points as Adjustment devices (4A, 4B, 4C) are designed for individual adjustment of the optical element (1) in relation to the other system components in three degrees of freedom and that second adjustment devices (24A, 24B) are provided between the auxiliary frame (2) and the main frame (3) for adjusting the optical element (1) in three further degrees of freedom.
2. Fassung nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Verstelleinrichtungen (4A, 4B, 4C) als exzentrisch υerdrehbare Distanzkörper ausgebildet sind.2. Socket according to claim 1, characterized in that the first adjusting devices (4A, 4B, 4C) are designed as eccentrically rotatable spacers.
3. Fassung nach Anspruch 2, dadurch gekennzeichnet, dass die Verstelleinrichtung (4A, 4B, 4C) als Exzenter in Form einer archimedischen Spirale ausgebdldet ist. 3. Socket according to claim 2, characterized in that the adjusting device (4A, 4B, 4C) is designed as an eccentric in the form of an Archimedean spiral.
4. Fasssung nach Anspruch 1, dadurch gekennzeichnet, dass die Versteileinrichtung individuelle Distanzstücke (11) mit Zentriereigenschaften aufweist.4. Socket according to claim 1, characterized in that the adjusting device has individual spacers (11) with centering properties.
5. Fassung nach Anspruch 4, dadurch gekennzeichnet, dass die Verstelleinrichtung aus Kugeln mit individuell wählbarem Durchmesser besteht, welche zwischen Kugelpfannen (12, 13) klemmbar sind, wobei eine Kugelpfanne an der Hilfsfassung und die andere Kugelpfanne an einem gemeinsamen Bezugselement abgestützt ist.5. Socket according to claim 4, characterized in that the adjusting device consists of balls with an individually selectable diameter, which can be clamped between ball sockets (12, 13), one ball socket being supported on the auxiliary frame and the other ball socket on a common reference element.
6. Fassung nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Verstelleinrichtungen (4A, 4B, 4C) zur zweifachen Winkelverstellung relativ zur αptischen Achse (Z) des Systems sowie zur Längsverstellung parallel zur optischen Achse ausgebildet sind.6. Socket according to claim 1, characterized in that the first adjusting devices (4A, 4B, 4C) are designed for twofold angular adjustment relative to the aptic axis (Z) of the system and for longitudinal adjustment parallel to the optical axis.
7. Fassung nach Anspruch 1, dadurch gekennzeichnet, die zweiten Verstelleinrichtungen (24A, 24B) zur Verstellung des optischen Elementes in einer Ebene senkrecht zur optischen Achse, insbesondere zur Verstellung in rechtwinkligen X- und Y-Koordinaten ausgebildet sind, wenn die optische Achse die Z-Achse darstellt.7. Socket according to claim 1, characterized in that the second adjusting devices (24A, 24B) for adjusting the optical element in a plane perpendicular to the optical axis, in particular for adjusting in rectangular X and Y coordinates, are formed when the optical axis Z axis represents.
8. Fassung nach Anspruch 7, dadurch gekennzeichnet, dass die Hilfsfassung (2) innerhalb der Hauptfassung (3) um die optische Achse (Z) verdrehbar ist. 8. Socket according to claim 7, characterized in that the auxiliary frame (2) within the main frame (3) can be rotated about the optical axis (Z).
9. Fassung nach Anspruch 1, dadurch gekennzeichnet, dass die Verstelleinrichtungen (4A, 4B, 4C; 24A, 24B) mit federelastischen Druckelementen (25, 26) versehen sind, um ein ununterbrochenes Anliegen der υon den Verstelleinrichtungen relativ zueinander bewegten Teile zu gewährleisten. 9. Socket according to claim 1, characterized in that the adjusting devices (4A, 4B, 4C; 24A, 24B) are provided with spring-elastic pressure elements (25, 26) in order to ensure an uninterrupted contact of the parts which are moved relative to one another by the adjusting devices.
PCT/CH1988/000094 1987-05-21 1988-05-19 Mount for optical elements WO1988009520A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH196687A CH674583A5 (en) 1987-05-21 1987-05-21
CH1966/87-4 1987-05-21

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DE (1) DE3730094A1 (en)
WO (1) WO1988009520A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715233A1 (en) * 1994-01-14 1995-07-21 Jenoptik Jena Gmbh Device for lateral adjustment of lenses within a high power lens.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913879A1 (en) * 1989-04-27 1990-10-31 Diehl Gmbh & Co Adjusting optical element to sensor - using holder adjusted radially and/or axially and then made rigid by laser welding
DE4111135A1 (en) * 1991-04-06 1992-10-08 Diehl Gmbh & Co SENSOR
DE19750685C2 (en) 1997-11-15 2003-08-14 Storz Karl Gmbh & Co Kg Method for mounting rod lenses in an endoscope and endoscope with such rod lenses
JP2002048962A (en) 2000-06-17 2002-02-15 Carl-Zeiss-Stiftung Trading As Carl Zeiss Device for mounting optical element
DE10030005A1 (en) * 2000-06-17 2001-12-20 Zeiss Carl Objective, in particular a projection objective in semiconductor lithography
DE10030004A1 (en) * 2000-06-17 2001-12-20 Zeiss Carl Device for storing an optical element, e.g. a lens in a lens
DE10042844C1 (en) 2000-08-17 2002-04-04 Jenoptik Jena Gmbh Optical lens mounting has mounting ring with peripheral leaf springs to support lens by engagement in peripheral groove in lens
DE10139805C1 (en) * 2001-08-13 2002-10-10 Jenoptik Laser Optik Sys Gmbh Tension-free lens holder for UV objectives comprises supporting elements lying on the inner surface of a holding ring so that they can be moved by a pressing force directed radially
DE102014102220B3 (en) * 2014-02-20 2015-04-30 Jenoptik Optical Systems Gmbh A method of manufacturing a lens frame and a lens frame radially fixable in a tube
DE102014106316B3 (en) * 2014-05-06 2015-07-23 Jenoptik Optical Systems Gmbh Lens with a laterally adjustable lens
CN109917559A (en) * 2017-12-13 2019-06-21 长光华大基因测序设备（长春）有限公司 High-precision optical lens eccentricity adjusts structure and method
DE102018106011B3 (en) 2018-03-15 2018-09-20 Jenoptik Optical Systems Gmbh Lens mount with eccentric

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334959A (en) * 1963-10-17 1967-08-08 Bell Telephone Labor Inc Adjustable optical device
DE1572729A1 (en) * 1967-11-30 1970-02-26 Leitz Ernst Gmbh Frame for projection lenses
GB1528084A (en) * 1975-11-26 1978-10-11 Rollei Werke Franke Heidecke Photographic objective
FR2428852A1 (en) * 1978-06-13 1980-01-11 Angenieux P Ets Optical instrument lens mounting - has corrugated sprung annulus taking up expansion and contraction due to temp. change
DE8419047U1 (en) * 1984-06-25 1986-02-06 Siemens AG, 1000 Berlin und 8000 München Adjustment device for a reflector mirror of a laser resonator
EP0179426A2 (en) * 1984-10-22 1986-04-30 Grumman Aerospace Corporation Multi-degree of freedom mount

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334959A (en) * 1963-10-17 1967-08-08 Bell Telephone Labor Inc Adjustable optical device
DE1572729A1 (en) * 1967-11-30 1970-02-26 Leitz Ernst Gmbh Frame for projection lenses
GB1528084A (en) * 1975-11-26 1978-10-11 Rollei Werke Franke Heidecke Photographic objective
FR2428852A1 (en) * 1978-06-13 1980-01-11 Angenieux P Ets Optical instrument lens mounting - has corrugated sprung annulus taking up expansion and contraction due to temp. change
DE8419047U1 (en) * 1984-06-25 1986-02-06 Siemens AG, 1000 Berlin und 8000 München Adjustment device for a reflector mirror of a laser resonator
EP0179426A2 (en) * 1984-10-22 1986-04-30 Grumman Aerospace Corporation Multi-degree of freedom mount

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM Technical Disclosure Bulletin, band 20, Nr. 6, November 1977 (Armonk, New York, US), S.E. Boczulak et al.: "Optical alignment adjustment mechanism", Seite 2168 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715233A1 (en) * 1994-01-14 1995-07-21 Jenoptik Jena Gmbh Device for lateral adjustment of lenses within a high power lens.
NL9402089A (en) * 1994-01-14 1995-08-01 Jenoptik Jena Gmbh Device for lateral adjustment of lenses within a high-quality lens.
US5521764A (en) * 1994-01-14 1996-05-28 Jenoptik Gmbh Device for lateral adjustment of lenses in a high-performance lens system

Also Published As

Publication number Publication date
DE3730094A1 (en) 1988-12-01
CH674583A5 (en) 1990-06-15
DE3730094C2 (en) 1989-06-22

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