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
Application number
HK98110744A
Other languages
English (en)
Inventor
Chul Woo Lee
Pyong Yong Seong
Tae Kyung Kim
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of HK1009876A1 publication Critical patent/HK1009876A1/xx

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
HK98110744A 1997-01-28 1998-09-19 An optical pickup employing an optical system for shaping beam. HK1009876A1 (en)

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 (ru)
KR (1) KR100288967B1 (ru)
CN (1) CN1156722C (ru)
DE (1) DE19802389B4 (ru)
GB (1) GB2322455B (ru)
HK (1) HK1009876A1 (ru)
MY (1) MY118337A (ru)
NL (1) NL1008116C2 (ru)
RU (1) RU2176097C2 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
CN103279005B (zh) * 2013-05-13 2015-08-19 深圳市绎立锐光科技开发有限公司 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)

* Cited by examiner, † Cited by third party
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
EP0310711B1 (en) * 1987-10-05 1993-09-01 Hitachi, Ltd. Optical device with phase-locked diodelaser array
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

Also Published As

Publication number Publication date
KR19980066783A (ko) 1998-10-15
KR100288967B1 (ko) 2001-05-02
GB9707538D0 (en) 1997-06-04
CN1189669A (zh) 1998-08-05
GB2322455B (en) 1999-01-13
NL1008116C2 (nl) 2000-07-13
JPH10208291A (ja) 1998-08-07
NL1008116A1 (nl) 1998-07-29
MY118337A (en) 2004-10-30
GB2322455A (en) 1998-08-26
DE19802389A1 (de) 1998-08-20
RU2176097C2 (ru) 2001-11-20
DE19802389B4 (de) 2005-06-02
CN1156722C (zh) 2004-07-07

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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