HK1009876A1 - An optical pickup employing an optical system for shaping beam. - Google Patents
An optical pickup employing an optical system for shaping beam.Info
- Publication number
- HK1009876A1 HK1009876A1 HK98110744A HK98110744A HK1009876A1 HK 1009876 A1 HK1009876 A1 HK 1009876A1 HK 98110744 A HK98110744 A HK 98110744A HK 98110744 A HK98110744 A HK 98110744A HK 1009876 A1 HK1009876 A1 HK 1009876A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- optical
- shaping beam
- optical system
- pickup employing
- optical pickup
- Prior art date
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
- G02B19/0085—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with both a detector and a source
-
- 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
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- 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
-
- 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
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
-
- 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
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970002498A KR100288967B1 (ko) | 1997-01-28 | 1997-01-28 | 빔정형을 위한 광학계 및 이를 채용한 광픽업 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1009876A1 true HK1009876A1 (en) | 1999-06-11 |
Family
ID=19495768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98110744A HK1009876A1 (en) | 1997-01-28 | 1998-09-19 | An optical pickup employing an optical system for shaping beam. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPH10208291A (nl) |
KR (1) | KR100288967B1 (nl) |
CN (1) | CN1156722C (nl) |
DE (1) | DE19802389B4 (nl) |
GB (1) | GB2322455B (nl) |
HK (1) | HK1009876A1 (nl) |
MY (1) | MY118337A (nl) |
NL (1) | NL1008116C2 (nl) |
RU (1) | RU2176097C2 (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3347676B2 (ja) | 1998-10-29 | 2002-11-20 | キヤノン株式会社 | 照明装置およびそれを用いた投射型表示装置 |
KR20010054955A (ko) * | 1999-12-08 | 2001-07-02 | 구자홍 | 광픽업 장치 |
DE10117402A1 (de) * | 2001-04-06 | 2002-10-10 | Thomson Brandt Gmbh | Strahlformungsmittel |
DE10248769B3 (de) * | 2002-10-18 | 2004-07-15 | Osram Opto Semiconductors Gmbh | Optische Anordnung zur geometrischen Strahlformung eines Strahlprofils und Verfahren zur Herstellung derselben |
EP2828575B1 (en) * | 2012-03-18 | 2016-11-23 | Robe Lighting, Inc | A multisource beam shaping system |
US10551038B2 (en) | 2012-03-18 | 2020-02-04 | Robe Lighting S.R.O. | Modular multisource beam shaping system |
CN105158913B (zh) * | 2013-05-13 | 2019-06-21 | 深圳光峰科技股份有限公司 | 激光光源、波长转换光源、合光光源及投影系统 |
CN104836114B (zh) * | 2015-05-27 | 2018-04-06 | 中国工程物理研究院应用电子学研究所 | 一种半导体激光器的快慢轴光束质量匀化装置 |
CN111939304A (zh) * | 2020-10-19 | 2020-11-17 | 武汉光谷航天三江激光产业技术研究院有限公司 | 一种基于光束整形及折反控制的激光杀毒装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1204199A (en) * | 1982-02-19 | 1986-05-06 | Shigeo Kubota | Optical apparatus |
JPS60241013A (ja) * | 1984-05-16 | 1985-11-29 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
DE3787282T2 (de) * | 1987-10-05 | 1994-03-31 | Philips Nv | Optischer Aufbau mit einer phasenstarr gekoppelten Laserdiodenzeile. |
JPH01211332A (ja) * | 1988-02-19 | 1989-08-24 | Matsushita Electric Ind Co Ltd | 光学ヘッド |
JPH0827968B2 (ja) * | 1988-08-19 | 1996-03-21 | 松下電器産業株式会社 | ビーム整形装置と光学ヘッド装置 |
JPH0289384A (ja) * | 1988-09-27 | 1990-03-29 | Sony Corp | 半導体レーザ装置 |
EP0429243A3 (en) * | 1989-11-17 | 1991-12-27 | Minnesota Mining And Manufacturing Company | Beam shaping system using diffraction |
US5237457A (en) * | 1990-10-04 | 1993-08-17 | Asahi Kogaku Kogyo Kabushiki Kaisha | Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism |
JPH04287011A (ja) * | 1991-03-18 | 1992-10-12 | Hitachi Ltd | 光走査装置及び該光走査装置を使用した記録装置 |
US5251060A (en) * | 1991-09-30 | 1993-10-05 | Sumitomo Electric Industries, Ltd. | Light-source unit |
-
1997
- 1997-01-28 KR KR1019970002498A patent/KR100288967B1/ko not_active IP Right Cessation
- 1997-04-14 GB GB9707538A patent/GB2322455B/en not_active Expired - Fee Related
-
1998
- 1998-01-14 MY MYPI98000147A patent/MY118337A/en unknown
- 1998-01-14 CN CNB981042287A patent/CN1156722C/zh not_active Expired - Fee Related
- 1998-01-20 JP JP10009027A patent/JPH10208291A/ja active Pending
- 1998-01-22 DE DE19802389A patent/DE19802389B4/de not_active Expired - Fee Related
- 1998-01-23 NL NL1008116A patent/NL1008116C2/nl not_active IP Right Cessation
- 1998-01-27 RU RU98102160/28A patent/RU2176097C2/ru not_active IP Right Cessation
- 1998-09-19 HK HK98110744A patent/HK1009876A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH10208291A (ja) | 1998-08-07 |
DE19802389A1 (de) | 1998-08-20 |
MY118337A (en) | 2004-10-30 |
RU2176097C2 (ru) | 2001-11-20 |
GB9707538D0 (en) | 1997-06-04 |
CN1189669A (zh) | 1998-08-05 |
NL1008116C2 (nl) | 2000-07-13 |
DE19802389B4 (de) | 2005-06-02 |
KR100288967B1 (ko) | 2001-05-02 |
KR19980066783A (ko) | 1998-10-15 |
NL1008116A1 (nl) | 1998-07-29 |
GB2322455A (en) | 1998-08-26 |
CN1156722C (zh) | 2004-07-07 |
GB2322455B (en) | 1999-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20100114 |