DE69328385D1 - Optisches Abtastgerät - Google Patents

Optisches Abtastgerät

Info

Publication number
DE69328385D1
DE69328385D1 DE69328385T DE69328385T DE69328385D1 DE 69328385 D1 DE69328385 D1 DE 69328385D1 DE 69328385 T DE69328385 T DE 69328385T DE 69328385 T DE69328385 T DE 69328385T DE 69328385 D1 DE69328385 D1 DE 69328385D1
Authority
DE
Germany
Prior art keywords
optical scanner
scanner
optical
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.)
Expired - Lifetime
Application number
DE69328385T
Other languages
English (en)
Other versions
DE69328385T2 (de
Inventor
Naoya Eguchi
Fumisada Maeda
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP4184787A external-priority patent/JPH064899A/ja
Priority claimed from JP4161504A external-priority patent/JPH065989A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69328385D1 publication Critical patent/DE69328385D1/de
Application granted granted Critical
Publication of DE69328385T2 publication Critical patent/DE69328385T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/04—Arrangements for thermal management
    • H01S3/042—Arrangements for thermal management for solid state lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0627—Construction or shape of active medium the resonator being monolithic, e.g. microlaser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H01S3/109—Frequency multiplication, e.g. harmonic generation
DE69328385T 1992-06-19 1993-06-18 Optisches Abtastgerät Expired - Lifetime DE69328385T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4184787A JPH064899A (ja) 1992-06-19 1992-06-19 光学ピックアップ装置及びその光軸調整方法
JP4161504A JPH065989A (ja) 1992-06-19 1992-06-19 レーザ発生装置用筐体

Publications (2)

Publication Number Publication Date
DE69328385D1 true DE69328385D1 (de) 2000-05-18
DE69328385T2 DE69328385T2 (de) 2000-10-19

Family

ID=26487613

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69321065T Expired - Lifetime DE69321065T2 (de) 1992-06-19 1993-06-18 Verfahren zur Einstellung der optischen Achse eines optischen Systems
DE69328385T Expired - Lifetime DE69328385T2 (de) 1992-06-19 1993-06-18 Optisches Abtastgerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69321065T Expired - Lifetime DE69321065T2 (de) 1992-06-19 1993-06-18 Verfahren zur Einstellung der optischen Achse eines optischen Systems

Country Status (3)

Country Link
US (1) US5402407A (de)
EP (2) EP0795855B1 (de)
DE (2) DE69321065T2 (de)

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JPH07311970A (ja) * 1994-05-17 1995-11-28 Seiko Epson Corp 光ヘッド及び光記憶装置
US5742441A (en) * 1995-04-07 1998-04-21 Discovision Associates Method and apparatus for aligning an objective lens
JP2795233B2 (ja) * 1995-09-29 1998-09-10 日本電気株式会社 光ヘッド装置
WO1997042628A1 (en) * 1996-05-09 1997-11-13 Seagate Technology, Inc. Laser texturing of magnetic recording medium using multiple lens focusing
US5783797A (en) * 1996-05-09 1998-07-21 Seagate Technology, Inc. Laser texturing of magnetic recording medium using a crystal material
WO1997042629A1 (en) * 1996-05-09 1997-11-13 Seagate Technology, Inc. Magnetic recording medium with laser textured glass or glass-ceramic substrate
US5895712A (en) * 1996-05-21 1999-04-20 Seagate Technology, Inc. Magnetic recording medium with improved coercivity
US6020045A (en) * 1996-06-05 2000-02-01 Seagate Technology, Inc. Textured magnetic recording medium having a transition zone
USD433015S (en) * 1996-06-07 2000-10-31 Sony Corporation Pickup for an optical disc player
US6207926B1 (en) 1997-01-15 2001-03-27 Seagate Technology Llc Fiber optic laser texturing with optical probe feedback control
US5965215A (en) * 1997-01-15 1999-10-12 Seagate Technology, Inc. Method for laser texturing a landing zone and a data zone of a magnetic recording medium
US5952058A (en) 1997-01-15 1999-09-14 Seagate Technology, Inc. Laser texturing magnetic recording medium using fiber optics
US6021032A (en) 1997-01-15 2000-02-01 Seagate Technology, Inc. Magnetic recording medium with laser textured data zone
US5853820A (en) * 1997-06-23 1998-12-29 Seagate Technology, Inc. Controlled laser texturing glass-ceramic substrates for magnetic recording media
US5837330A (en) * 1997-08-28 1998-11-17 Seagate Technology, Inc. Dual fiber optic laser texturing
US5956217A (en) * 1997-08-28 1999-09-21 Seagate Technology, Inc. Reference disk for determining glide height
US6068728A (en) * 1997-08-28 2000-05-30 Seagate Technology, Inc. Laser texturing with reverse lens focusing system
US5861196A (en) * 1997-09-25 1999-01-19 Seagate Technology, Inc. Laser texturing a glass or glass-ceramic substrate
US5945197A (en) * 1997-10-27 1999-08-31 Seagate Technology Laser texturing of magnetic recording medium using multiple lens focusing
US6093472A (en) * 1999-06-23 2000-07-25 Seagate Technology, Inc. Magnetic recording medium with laser textured glass or glass-ceramic substrate
US6468596B1 (en) 1999-07-15 2002-10-22 Seagate Technology Llc Laser-assisted in-situ fractionated lubricant and a new process for surface of magnetic recording media
JP2002056561A (ja) * 2000-08-10 2002-02-22 Mitsumi Electric Co Ltd 光学ピックアップ装置
KR100438701B1 (ko) * 2001-09-17 2004-07-05 삼성전자주식회사 호환형 광픽업 및 그 광축을 맞추기 위한 조정방법
KR20030056838A (ko) * 2001-12-28 2003-07-04 삼성전기주식회사 광 픽업용 광원모듈
JP2003248960A (ja) * 2002-02-25 2003-09-05 Sony Corp 光学ピックアップ及びディスクドライブ装置
US7330297B2 (en) * 2005-03-04 2008-02-12 Angstrom, Inc Fine control of rotation and translation of discretely controlled micromirror
US7898144B2 (en) * 2006-02-04 2011-03-01 Angstrom, Inc. Multi-step microactuator providing multi-step displacement to a controlled object
US7474454B2 (en) * 2004-06-18 2009-01-06 Angstrom, Inc. Programmable micromirror motion control system
US7580178B2 (en) * 2004-02-13 2009-08-25 Angstrom, Inc. Image-guided microsurgery system and method
US7751694B2 (en) * 2004-02-13 2010-07-06 Angstrom, Inc. Three-dimensional endoscope imaging and display system
US7382516B2 (en) * 2004-06-18 2008-06-03 Angstrom, Inc. Discretely controlled micromirror with multi-level positions
US8537204B2 (en) * 2004-07-08 2013-09-17 Gyoung Il Cho 3D television broadcasting system
US7350922B2 (en) * 2004-02-13 2008-04-01 Angstrom, Inc. Three-dimensional display using variable focal length micromirror array lens
US7410266B2 (en) * 2004-03-22 2008-08-12 Angstrom, Inc. Three-dimensional imaging system for robot vision
US7339746B2 (en) * 2004-03-22 2008-03-04 Angstrom, Inc. Small and fast zoom system using micromirror array lens
US7768571B2 (en) * 2004-03-22 2010-08-03 Angstrom, Inc. Optical tracking system using variable focal length lens
US7742232B2 (en) * 2004-04-12 2010-06-22 Angstrom, Inc. Three-dimensional imaging system
US20070040924A1 (en) * 2005-08-19 2007-02-22 Stereo Display, Inc. Cellular phone camera with three-dimensional imaging function
US20070115261A1 (en) * 2005-11-23 2007-05-24 Stereo Display, Inc. Virtual Keyboard input system using three-dimensional motion detection by variable focal length lens
US7619614B2 (en) * 2004-04-12 2009-11-17 Angstrom, Inc. Three-dimensional optical mouse system
US8049776B2 (en) * 2004-04-12 2011-11-01 Angstrom, Inc. Three-dimensional camcorder
US7777959B2 (en) * 2004-05-27 2010-08-17 Angstrom, Inc. Micromirror array lens with fixed focal length
US7354167B2 (en) * 2004-05-27 2008-04-08 Angstrom, Inc. Beam focusing and scanning system using micromirror array lens
US7667896B2 (en) 2004-05-27 2010-02-23 Angstrom, Inc. DVD recording and reproducing system
ATE385604T1 (de) * 2004-06-16 2008-02-15 Koninkl Philips Electronics Nv Vorrichtung und verfahren zum erzeugen eines abtaststrahls in einem optischen abnehmerkopf, optischer miniatur-abnehmerkopf und optisches speichersystem mit einem miniatur-abnehmerkopf
US7489434B2 (en) 2007-05-02 2009-02-10 Angstrom, Inc. Hybrid micromirror array lens for reducing chromatic aberration
US7619807B2 (en) * 2004-11-08 2009-11-17 Angstrom, Inc. Micromirror array lens with optical surface profiles
US20060198011A1 (en) * 2005-03-04 2006-09-07 Stereo Display, Inc. Volumetric three-dimensional device using two-dimensional scanning device
US20060203117A1 (en) * 2005-03-10 2006-09-14 Stereo Display, Inc. Video monitoring system using variable focal length lens
US20070041077A1 (en) * 2005-08-19 2007-02-22 Stereo Display, Inc. Pocket-sized two-dimensional image projection system
US9736346B2 (en) 2006-05-09 2017-08-15 Stereo Display, Inc Imaging system improving image resolution of the system with low resolution image sensor
US7365899B2 (en) * 2006-08-10 2008-04-29 Angstrom, Inc. Micromirror with multi-axis rotation and translation
US7589884B2 (en) * 2006-09-22 2009-09-15 Angstrom, Inc. Micromirror array lens with encapsulation of reflective metal layer and method of making the same
US7589885B2 (en) * 2006-09-22 2009-09-15 Angstrom, Inc. Micromirror array device comprising encapsulated reflective metal layer and method of making the same
US7488082B2 (en) 2006-12-12 2009-02-10 Angstrom, Inc. Discretely controlled micromirror array device with segmented electrodes
US7535618B2 (en) * 2007-03-12 2009-05-19 Angstrom, Inc. Discretely controlled micromirror device having multiple motions
US9505606B2 (en) * 2007-06-13 2016-11-29 Angstrom, Inc. MEMS actuator with discretely controlled multiple motions
US7605988B2 (en) * 2007-07-23 2009-10-20 Angstrom, Inc. Compact image taking lens system with a lens-surfaced prism
US7589916B2 (en) * 2007-08-10 2009-09-15 Angstrom, Inc. Micromirror array with iris function
US20090185067A1 (en) * 2007-12-21 2009-07-23 Stereo Display, Inc. Compact automatic focusing camera
US8810908B2 (en) * 2008-03-18 2014-08-19 Stereo Display, Inc. Binoculars with micromirror array lenses
US8622557B2 (en) * 2008-05-20 2014-01-07 Stereo Display, Inc. Micromirror array lens with self-tilted micromirrors
JP6665666B2 (ja) 2016-04-28 2020-03-13 日亜化学工業株式会社 発光装置の製造方法、レーザモジュールの製造方法及び発光装置

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Also Published As

Publication number Publication date
DE69321065D1 (de) 1998-10-22
EP0795855A3 (de) 1997-09-24
EP0592766B1 (de) 1998-09-16
EP0592766A3 (de) 1994-10-12
DE69321065T2 (de) 1999-05-20
EP0592766A2 (de) 1994-04-20
EP0795855B1 (de) 2000-04-12
EP0795855A2 (de) 1997-09-17
DE69328385T2 (de) 2000-10-19
US5402407A (en) 1995-03-28

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8320 Willingness to grant licences declared (paragraph 23)