JP2009025817A - 光学記憶システム用のビーム整形器 - Google Patents

光学記憶システム用のビーム整形器 Download PDF

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Publication number
JP2009025817A
JP2009025817A JP2008171286A JP2008171286A JP2009025817A JP 2009025817 A JP2009025817 A JP 2009025817A JP 2008171286 A JP2008171286 A JP 2008171286A JP 2008171286 A JP2008171286 A JP 2008171286A JP 2009025817 A JP2009025817 A JP 2009025817A
Authority
JP
Japan
Prior art keywords
light beam
incident light
shaper
shaping element
shaped light
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.)
Pending
Application number
JP2008171286A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009025817A5 (enExample
Inventor
Joachim Knittel
ニツテル，ヨヒム
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2009025817A publication Critical patent/JP2009025817A/ja
Publication of JP2009025817A5 publication Critical patent/JP2009025817A5/ja
Pending legal-status Critical Current

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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
    • G11B7/004—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2008171286A 2007-07-02 2008-06-30 光学記憶システム用のビーム整形器 Pending JP2009025817A (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2009025817A true JP2009025817A (ja) 2009-02-05
JP2009025817A5 JP2009025817A5 (enExample) 2011-08-11

Family

ID=38370356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008171286A Pending JP2009025817A (ja) 2007-07-02 2008-06-30 光学記憶システム用のビーム整形器

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110032587A1 (en) * 2009-03-20 2011-02-10 Absolute Imaging LLC System and Method for Autostereoscopic Imaging
US20110058240A1 (en) * 2009-03-20 2011-03-10 Absolute Imaging LLC System and Method for Autostereoscopic Imaging Using Holographic Optical Element
JP6488298B2 (ja) 2013-08-09 2019-03-20 ケーエルエー−テンカー コーポレイション 改善した検出感度のマルチスポット照明
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
US10659750B2 (en) * 2014-07-23 2020-05-19 Apple Inc. 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000356758A (ja) * 1999-03-15 2000-12-26 Citizen Watch Co Ltd 光学装置
WO2006058214A1 (en) * 2004-11-24 2006-06-01 Moxtek, Inc. Method and apparatus for correcting a visible light beam using a wire-grid polarizer
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

Family Cites Families (11)

* 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
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
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
JP2008522335A (ja) * 2004-11-29 2008-06-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 放射線ビーム源装置
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000356758A (ja) * 1999-03-15 2000-12-26 Citizen Watch Co Ltd 光学装置
WO2006058214A1 (en) * 2004-11-24 2006-06-01 Moxtek, Inc. Method and apparatus for correcting a visible light beam using a wire-grid polarizer
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

Also Published As

Publication number Publication date
US20090010136A1 (en) 2009-01-08
KR20090004551A (ko) 2009-01-12
EP2012313A1 (en) 2009-01-07
EP2012313B1 (en) 2012-10-17
CN101339298A (zh) 2009-01-07
US8351316B2 (en) 2013-01-08
EP2012311A1 (en) 2009-01-07

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