KR20090004551A - 광학 저장 시스템을 위한 빔 성형기 - Google Patents

광학 저장 시스템을 위한 빔 성형기 Download PDF

Info

Publication number
KR20090004551A
KR20090004551A KR1020080060217A KR20080060217A KR20090004551A KR 20090004551 A KR20090004551 A KR 20090004551A KR 1020080060217 A KR1020080060217 A KR 1020080060217A KR 20080060217 A KR20080060217 A KR 20080060217A KR 20090004551 A KR20090004551 A KR 20090004551A
Authority
KR
South Korea
Prior art keywords
light beam
incident light
optical
storage medium
spatially
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.)
Withdrawn
Application number
KR1020080060217A
Other languages
English (en)
Korean (ko)
Inventor
조아침 니텔
Original Assignee
톰슨 라이센싱
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 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20090004551A publication Critical patent/KR20090004551A/ko
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • 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
    • G11B7/1362—Mirrors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Head (AREA)
KR1020080060217A 2007-07-02 2008-06-25 광학 저장 시스템을 위한 빔 성형기 Withdrawn KR20090004551A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07111524.0 2007-07-02
EP07111524A EP2012311A1 (en) 2007-07-02 2007-07-02 Beam shaper for an optical storage system

Publications (1)

Publication Number Publication Date
KR20090004551A true KR20090004551A (ko) 2009-01-12

Family

ID=38370356

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080060217A Withdrawn KR20090004551A (ko) 2007-07-02 2008-06-25 광학 저장 시스템을 위한 빔 성형기

Country Status (5)

Country Link
US (1) US8351316B2 (https=)
EP (2) EP2012311A1 (https=)
JP (1) JP2009025817A (https=)
KR (1) KR20090004551A (https=)
CN (1) CN101339298A (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110058240A1 (en) 2009-03-20 2011-03-10 Absolute Imaging LLC System and Method for Autostereoscopic Imaging Using Holographic Optical Element
US20110032587A1 (en) * 2009-03-20 2011-02-10 Absolute Imaging LLC System and Method for Autostereoscopic Imaging
US9494531B2 (en) 2013-08-09 2016-11-15 Kla-Tencor Corporation Multi-spot illumination for improved detection sensitivity
CN103538125B (zh) * 2013-10-19 2015-12-02 福建农林大学 一种无醛木塑复合板的薄木快贴工艺
WO2016012041A1 (en) * 2014-07-23 2016-01-28 Metaio Gmbh Method and system for presenting at least part of an image of a real object in a view of a real environment, and method and system for selecting a subset of a plurality of images
JP6506974B2 (ja) * 2015-01-22 2019-04-24 浜松ホトニクス株式会社 光照射装置
CN104690432B (zh) * 2015-02-03 2016-09-14 大族激光科技产业集团股份有限公司 一种精密激光切割及微孔加工装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100308009B1 (ko) * 1998-01-21 2001-10-19 구자홍 미소거울
JP2000356758A (ja) * 1999-03-15 2000-12-26 Citizen Watch Co Ltd 光学装置
US6625102B1 (en) * 1999-03-15 2003-09-23 Citizen Watch Co., Ltd. Optical device
US6654183B2 (en) 1999-12-15 2003-11-25 International Business Machines Corporation System for converting optical beams to collimated flat-top beams
US7035196B2 (en) * 2000-03-14 2006-04-25 Matsushita Electric Industrial Co., Ltd. Optical head device and optical recording and reproducing apparatus having lasers aligned in a tangential direction
US7375887B2 (en) * 2001-03-27 2008-05-20 Moxtek, Inc. Method and apparatus for correcting a visible light beam using a wire-grid polarizer
US7295356B2 (en) * 2001-06-08 2007-11-13 Inphase Technologies, Inc. Method for improved holographic recording using beam apodization
JP2004294756A (ja) 2003-03-27 2004-10-21 Tdk Corp 空間光変調器及びホログラム記録再生装置
JP4258624B2 (ja) * 2003-07-08 2009-04-30 新オプトウエア株式会社 光情報記録装置
KR20070086657A (ko) * 2004-11-29 2007-08-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 방사빔 발생장치
JP4434008B2 (ja) * 2004-12-27 2010-03-17 コニカミノルタオプト株式会社 光強度変調素子およびそれを備えた光ピックアップ
US7710624B2 (en) * 2005-05-26 2010-05-04 Inphase Technologies, Inc. Controlling the transmission amplitude profile of a coherent light beam in a holographic memory system
JP2007149253A (ja) 2005-11-29 2007-06-14 Canon Inc ホログラフィ用光ピックアップ装置
CN100388059C (zh) 2006-02-23 2008-05-14 中国科学院上海光学精密机械研究所 超短脉冲激光光束体全息光栅整形装置

Also Published As

Publication number Publication date
EP2012313B1 (en) 2012-10-17
US20090010136A1 (en) 2009-01-08
EP2012311A1 (en) 2009-01-07
US8351316B2 (en) 2013-01-08
EP2012313A1 (en) 2009-01-07
JP2009025817A (ja) 2009-02-05
CN101339298A (zh) 2009-01-07

Similar Documents

Publication Publication Date Title
JP3120286B2 (ja) 光データ記憶媒体及びその書込み及び読出し方法
US6825960B2 (en) System and method for bitwise readout holographic ROM
US8351316B2 (en) Beam shaper for an optical storage system
US7859972B2 (en) Holographic optical information recording/reproducing device and holographic optical information recording/reproducing method
US20070153663A1 (en) Hologram recording/reproducing device and recording/reproducing optical apparatus
JP2004253121A (ja) 拡散素子を用いた自己参照ホログラフィ
US7193953B2 (en) Holographic recording and reconstructing apparatus and mask for use therein
US7180844B2 (en) Holographic disc recording system
US7813017B2 (en) Method and system for increasing holographic data storage capacity using irradiance-tailoring element
CN100530372C (zh) 光盘记录设备,光盘记录设备的控制方法以及光盘记录方法
JP2002368329A (ja) コヒーレント光生成装置および方法ならびに光情報記録装置および方法
US8068263B2 (en) Holographic storage system with reduced noise
JP2004334178A (ja) ホログラフィック記録システム上にデジタルデータを記録するための装置及びその方法
US7428206B2 (en) Holographic information recording apparatus
JP2005322382A (ja) ホログラム記録装置、およびホログラム記録方法
US7193757B2 (en) Angle multiplexing holographic storage device and method
US20050270605A1 (en) Holographic data recording apparatus and method
JP5575391B2 (ja) ホログラフィー記録媒体及びその記録媒体用ピックアップ
US20080130462A1 (en) Optical Device, in Particular Holographic Device
EP1607983A2 (en) Angular and wavelength multiplexing apparatus for holographic storage
KR100749099B1 (ko) 광정보 기록장치 및 기록방법
JP4863516B2 (ja) ホログラフィックシステム、ホログラフィックデータ記憶用のホログラフィックシステム
US20060140102A1 (en) System and method for parallel selection and retrieval of data stored in a holographic data storage medium
KR20050102748A (ko) 홀로그래픽 정보의 기록/재생 장치
CN1722251A (zh) 全像储存装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20080625

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid