DE3787282D1 - Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile. - Google Patents
Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile.Info
- Publication number
- DE3787282D1 DE3787282D1 DE87201896T DE3787282T DE3787282D1 DE 3787282 D1 DE3787282 D1 DE 3787282D1 DE 87201896 T DE87201896 T DE 87201896T DE 3787282 T DE3787282 T DE 3787282T DE 3787282 D1 DE3787282 D1 DE 3787282D1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- laser diode
- coupled laser
- optical construction
- diode line
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
- G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0966—Cylindrical lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0972—Prisms
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP87201896A EP0310711B1 (de) | 1987-10-05 | 1987-10-05 | Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3787282D1 true DE3787282D1 (de) | 1993-10-07 |
DE3787282T2 DE3787282T2 (de) | 1994-03-31 |
Family
ID=8197680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87201896T Expired - Fee Related DE3787282T2 (de) | 1987-10-05 | 1987-10-05 | Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4904068A (de) |
EP (1) | EP0310711B1 (de) |
JP (1) | JP2613278B2 (de) |
DE (1) | DE3787282T2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0276136A (ja) * | 1988-09-13 | 1990-03-15 | Fuji Xerox Co Ltd | 光学的記録再生装置 |
US5289313A (en) * | 1988-09-28 | 1994-02-22 | Canon Kabushiki Kaisha | Optical head using semiconductor laser array as light source |
GB9003097D0 (en) * | 1990-02-12 | 1990-04-11 | Scient Generics Ltd | Solid state laser diode light source |
JP2980938B2 (ja) * | 1990-04-12 | 1999-11-22 | 株式会社ニデック | 半導体レーザー光を集光するためのレンズ系 |
ATE190733T1 (de) * | 1990-08-01 | 2000-04-15 | Diomed Ltd | Hochleistungs-lichtquelle |
CH682698A5 (de) * | 1990-11-01 | 1993-10-29 | Fisba Optik Ag Bystronic Laser | Verfahren, bei dem mehrere, in einer oder mehreren Reihen angeordnete Strahlungsquellen abgebildet werden und Vorrichtung hierzu. |
JPH04281231A (ja) * | 1990-11-30 | 1992-10-06 | Toshiba Corp | 光集束光学系 |
US5200597A (en) * | 1991-02-07 | 1993-04-06 | Psc, Inc. | Digitally controlled system for scanning and reading bar codes |
CA2056842A1 (en) * | 1991-02-07 | 1992-08-08 | Jay M. Eastman | System for scanning and reading symbols, such as bar codes, which is adapted to be configured in a hand held unit and can automatically read symbols on objects which are placed inthe detection zone of the unit |
US5239414A (en) * | 1991-05-30 | 1993-08-24 | General Electric Company | Laser astigmatism compensation |
JPH0695038A (ja) * | 1992-03-19 | 1994-04-08 | Matsushita Electric Ind Co Ltd | 超解像走査光学装置、光学装置の超解像用光源装置及び光学装置の超解像用フィルター |
BE1007876A4 (nl) * | 1993-12-17 | 1995-11-07 | Philips Electronics Nv | Stralingsbron-eenheid voor het opwekken van een bundel met twee polarisatierichtingen en twee frequenties. |
US5596456A (en) * | 1994-02-25 | 1997-01-21 | New Focus, Inc. | Achromatic anamorphic prism pair |
US5818645A (en) * | 1996-07-16 | 1998-10-06 | Management Graphics, Inc. | Multimode optical source and image scanning apparatus using the same |
TW301719B (en) * | 1996-09-20 | 1997-04-01 | Ind Tech Res Inst | The beam shaper device |
US5875160A (en) * | 1996-12-14 | 1999-02-23 | Ricoh Company, Ltd. | Method and device for initializing optical recording medium of phase change type, and optical recording medium |
US6128119A (en) | 1997-01-10 | 2000-10-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Beam shaping optical system |
KR100288967B1 (ko) * | 1997-01-28 | 2001-05-02 | 윤종용 | 빔정형을 위한 광학계 및 이를 채용한 광픽업 |
US6088170A (en) * | 1997-01-28 | 2000-07-11 | Samsung Electronics Co., Ltd. | Optical system for shaping light beams and an optical pickup employing the same |
EP1001297A1 (de) | 1998-11-10 | 2000-05-17 | Datalogic S.P.A. | Optische Vorrichtung und Verfahren zum Fokussieren eines Laserstrahls |
US6434105B1 (en) * | 1998-12-25 | 2002-08-13 | Olympus Optical Co., Ltd. | Optical pickup device |
KR100453040B1 (ko) * | 2002-02-01 | 2004-10-15 | 삼성전자주식회사 | 콜리메이팅 렌즈, 콜리메이팅 시스템 및 이를 채용한 화상표시장치 |
US6668003B2 (en) * | 2002-02-12 | 2003-12-23 | Quintessence Photonics Corporation | Laser diode array with an in-phase output |
ATE522012T1 (de) | 2003-12-18 | 2011-09-15 | Yeda Res & Dev | Laserresonatoranordnung |
US7580559B2 (en) * | 2004-01-29 | 2009-08-25 | Asml Holding N.V. | System and method for calibrating a spatial light modulator |
US7289272B2 (en) * | 2005-09-16 | 2007-10-30 | Raytheon Company | Optical system including an anamorphic lens |
JP2009282309A (ja) * | 2008-05-22 | 2009-12-03 | Fujitsu Ltd | 光装置および光伝送装置 |
JP5316124B2 (ja) * | 2009-03-13 | 2013-10-16 | 日産自動車株式会社 | レーザー溶接装置 |
JP5833359B2 (ja) * | 2011-07-01 | 2015-12-16 | 株式会社ディスコ | レーザー光線照射装置 |
JP6496340B2 (ja) * | 2017-03-17 | 2019-04-03 | ファナック株式会社 | スキャナ制御装置、ロボット制御装置及びリモートレーザ溶接ロボットシステム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4082431A (en) * | 1975-04-22 | 1978-04-04 | Minnesota Mining And Manufacturing Company | Image processing system using incoherent radiation and spatial filter hologram |
JPS55130512A (en) * | 1979-03-30 | 1980-10-09 | Canon Inc | Semiconductor laser optical system |
US4304467A (en) * | 1979-05-29 | 1981-12-08 | International Business Machines Corporation | Focussed laser beam optical system |
US4333173A (en) * | 1979-06-15 | 1982-06-01 | Hitachi, Ltd. | Optical information processor with prismatic correction of laser beam shape |
US4410237A (en) * | 1980-09-26 | 1983-10-18 | Massachusetts Institute Of Technology | Method and apparatus for shaping electromagnetic beams |
CA1208466A (en) * | 1982-07-28 | 1986-07-29 | Donald R. Scifres | Beam collimation and focusing of multi-emitter or broad emitter lasers |
US4580879A (en) * | 1983-09-06 | 1986-04-08 | Storage Technology Partners Ii | In-line optical anamorphic beam expander/contractor |
US4770507A (en) * | 1984-03-09 | 1988-09-13 | Hitachi, Ltd. | Prism optics and optical information processing apparatus |
US4643538A (en) * | 1984-07-06 | 1987-02-17 | Storage Technology Partners Ii | Combined beam cross-section correcting, collimating and de-astigmatizing optical system |
US4759616A (en) * | 1985-08-26 | 1988-07-26 | Eastman Kodak Company | Method and apparatus for anamorphically shaping and deflecting electromagnetic beams |
-
1987
- 1987-10-05 EP EP87201896A patent/EP0310711B1/de not_active Expired - Lifetime
- 1987-10-05 DE DE87201896T patent/DE3787282T2/de not_active Expired - Fee Related
-
1988
- 1988-03-02 US US07/162,828 patent/US4904068A/en not_active Expired - Fee Related
- 1988-10-05 JP JP63249892A patent/JP2613278B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0310711A1 (de) | 1989-04-12 |
US4904068A (en) | 1990-02-27 |
DE3787282T2 (de) | 1994-03-31 |
JPH01271933A (ja) | 1989-10-31 |
EP0310711B1 (de) | 1993-09-01 |
JP2613278B2 (ja) | 1997-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL HITACHI, L |
|
8339 | Ceased/non-payment of the annual fee | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |