CA2546594A1 - Solid catadioptric lens with a single viewpoint - Google Patents

Solid catadioptric lens with a single viewpoint Download PDF

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Publication number
CA2546594A1
CA2546594A1 CA002546594A CA2546594A CA2546594A1 CA 2546594 A1 CA2546594 A1 CA 2546594A1 CA 002546594 A CA002546594 A CA 002546594A CA 2546594 A CA2546594 A CA 2546594A CA 2546594 A1 CA2546594 A1 CA 2546594A1
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CA
Canada
Prior art keywords
catadioptric lens
shaping surface
shaping
ellipsoidal
solid catadioptric
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002546594A
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French (fr)
Other versions
CA2546594C (en
Inventor
Michael J. Mandella
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronic Scripting Products Inc
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2546594A1 publication Critical patent/CA2546594A1/en
Application granted granted Critical
Publication of CA2546594C publication Critical patent/CA2546594C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems

Abstract

A solid catadioptric lens with a single viewpoint has a spherical refractive surface with a center C on an optical axis of the lens. An ellipsoidal reflective surface of the lens faces the spherical refractive surface such that a first focus F<SUB>1 </SUB>of the ellipsoidal reflective surface is coincident with the center C of the spherical refractive surface. Furthermore, the lens has a shaping surface facing the ellipsoidal reflective surface for shaping a light that passes the single viewpoint. The shaping surface can be refractive, reflective or semi-transparent and its shape can be ellipsoidal with its first focus F<SUB>1'</SUB> coincident with the second focus F<SUB>2 </SUB>of the ellipsoidal reflective surface. The single viewpoint of the lens is at the center C of the spherical reflective surface and is enforced with an aperture that can be positioned at various points inside, on a surface or even outside the lens, depending on the type of shaping surface chosen.

Claims (22)

1. ~A solid catadioptric lens having a single viewpoint on an optical axis and comprising:
a) a spherical refractive surface having a center C on said optical axis;
b) an ellipsoidal reflective surface facing said spherical refractive surface and having a first focus F1 coincident with said center C, whereby said center C is said single viewpoint; and c) a shaping .surface facing said ellipsoidal reflective surface for shaping a light passing said single viewpoint.
2. ~The solid catadioptric lens of claim 1, wherein said shaping surface is a refractive shaping surface and said solid catadioptric lens further comprises an aperture for enforcing said single viewpoint.
3. The solid catadioptric lens of claim 2, wherein said aperture is positioned at a second focus F2 of said ellipsoidal reflective surface.
4. The solid catadioptric lens of claim 3, wherein said second focus F2 is on said optical axis and substantially at said refractive shaping surface.
5. The solid catadioptric lens of claim 3, wherein said second focus F2 is on said optical axis and inside said solid catadioptric lens.
6. The solid catadioptric lens of claim 2, wherein said refractive shaping surface is an ellipsoidal refractive shaping surface.
7. The solid catadioptric lens of claim 6, wherein said ellipsoidal refractive shaping surface has a first focus F1' coincident with said second focus F2.
8. The solid catadioptric lens of claim 7, wherein said ellipsoidal refractive shaping surface has a conic constant K2 equal to a conic constant K1 of said ellipsoidal reflective surface.
9. The solid catadioptric lens of claim 1, wherein said shaping surface is a reflective shaping surface and said solid catadioptric lens further comprises an aperture for enforcing said single viewpoint.
10. The solid catadioptric lens of claim 9, wherein said aperture is positioned at said ellipsoidal reflective surface.
11. The solid catadioptric lens of claim 9, wherein said aperture is positioned beyond said ellipsoidal reflective surface.
12. The solid catadioptric lens of claim 9, wherein said reflective shaping surface is a second ellipsoidal reflective shaping surface.
13. The solid catadioptric lens of claim 12, wherein said second ellipsoidal reflective shaping surface has a first focus F1' coincident with said second focus F2.
14. The solid catadioptric lens of claim 12, wherein said second ellipsoidal reflective shaping surface has a conic constant K2 equal to a conic constant K1 of said ellipsoidal reflective surface.
15. The solid catadioptric lens of claim 1 comprising an optical material having an index n.
16. The solid catadioptric lens of claim 1, wherein said shaping surface is a semi-transparent shaping surface.
17. The solid catadioptric lens of claim 1, wherein said shaping surface is selected from the group consisting of a flat shaping surface, an ellipsoidal shaping surface and a paraboloid shaping surface.
18. A single viewpoint vision system comprising:
a) a solid catadioptric lens having an optical axis;

b) a spherical refractive surface having a center C on said optical axis;
c) an ellipsoidal reflective surface facing said spherical refractive surface and having a first focus F1 coincident with said center C, whereby said center C is said single viewpoint; and d) a shaping surface facing said ellipsoidal reflective surface for shaping a light passing said single viewpoint.
19. ~The single viewpoint vision system of claim 18, further comprising an optical relay for passing said light.
20. ~The single viewpoint vision system of claim 18, wherein said shaping surface is selected from the group consisting of reflective shaping surface, refractive shaping surface and semi-transparent shaping surface.
21. ~The single viewpoint vision system of claim 18, wherein said shaping surface is selected from the group consisting of a flat shaping surface, an ellipsoidal shaping surface and a paraboloid shaping surface.
22. ~The single viewpoint vision system of claim .18, further comprising an element selected from the group consisting of scanning arrangement, imaging element and a display unit.~
CA2546594A 2003-11-24 2004-11-24 Solid catadioptric lens with a single viewpoint Expired - Fee Related CA2546594C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/721,194 US7038846B2 (en) 2003-11-24 2003-11-24 Solid catadioptric lens with a single viewpoint
US10/721,194 2003-11-24
PCT/US2004/039444 WO2005052667A1 (en) 2003-11-24 2004-11-24 Solid catadioptric lens with a single viewpoint

Publications (2)

Publication Number Publication Date
CA2546594A1 true CA2546594A1 (en) 2005-06-09
CA2546594C CA2546594C (en) 2011-05-10

Family

ID=34591747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2546594A Expired - Fee Related CA2546594C (en) 2003-11-24 2004-11-24 Solid catadioptric lens with a single viewpoint

Country Status (10)

Country Link
US (1) US7038846B2 (en)
EP (1) EP1690121B1 (en)
JP (1) JP4680202B2 (en)
KR (1) KR101076986B1 (en)
CN (1) CN100549751C (en)
AT (1) ATE428127T1 (en)
CA (1) CA2546594C (en)
DE (1) DE602004020502D1 (en)
HK (1) HK1101431A1 (en)
WO (1) WO2005052667A1 (en)

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Also Published As

Publication number Publication date
JP2007512580A (en) 2007-05-17
US7038846B2 (en) 2006-05-02
US20050111084A1 (en) 2005-05-26
KR101076986B1 (en) 2011-10-26
DE602004020502D1 (en) 2009-05-20
CA2546594C (en) 2011-05-10
EP1690121B1 (en) 2009-04-08
KR20070011254A (en) 2007-01-24
JP4680202B2 (en) 2011-05-11
ATE428127T1 (en) 2009-04-15
CN1882864A (en) 2006-12-20
CN100549751C (en) 2009-10-14
WO2005052667A1 (en) 2005-06-09
EP1690121A1 (en) 2006-08-16
HK1101431A1 (en) 2007-10-18

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