TW200609641A - Method and system for encoding and detecting optical information - Google Patents

Method and system for encoding and detecting optical information

Info

Publication number
TW200609641A
TW200609641A TW094126520A TW94126520A TW200609641A TW 200609641 A TW200609641 A TW 200609641A TW 094126520 A TW094126520 A TW 094126520A TW 94126520 A TW94126520 A TW 94126520A TW 200609641 A TW200609641 A TW 200609641A
Authority
TW
Taiwan
Prior art keywords
storage medium
optical storage
determined wavelength
encoding
optical information
Prior art date
Application number
TW094126520A
Other languages
English (en)
Inventor
Oron Zachar
Masud Mansuripur
Original Assignee
Polarizonics Corp
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 Polarizonics Corp filed Critical Polarizonics Corp
Publication of TW200609641A publication Critical patent/TW200609641A/zh

Links

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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/005—Reproducing
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
TW094126520A 2004-08-05 2005-08-04 Method and system for encoding and detecting optical information TW200609641A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59884004P 2004-08-05 2004-08-05
US65096405P 2005-02-09 2005-02-09
US67430005P 2005-04-25 2005-04-25

Publications (1)

Publication Number Publication Date
TW200609641A true TW200609641A (en) 2006-03-16

Family

ID=35447214

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094126520A TW200609641A (en) 2004-08-05 2005-08-04 Method and system for encoding and detecting optical information

Country Status (3)

Country Link
US (1) US20060028962A1 (zh)
TW (1) TW200609641A (zh)
WO (1) WO2006013556A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104937381A (zh) * 2013-01-15 2015-09-23 瑞尼斯豪公司 测量刻度
CN104919284B (zh) * 2013-01-15 2017-08-18 瑞尼斯豪公司 读取由周期性偏振纳米结构表示的数据的方法

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* Cited by examiner, † Cited by third party
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US7527195B2 (en) * 2005-04-11 2009-05-05 Bill Me Later, Inc. Method and system for risk management in a transaction
US7889616B2 (en) * 2006-03-03 2011-02-15 Seagate Technology Llc Polarization state detector systems and methods for read-out of multilevel oriented nano-structure optical media
US20080165643A1 (en) 2007-01-05 2008-07-10 Funai Electric Co., Ltd. Multivalued information reproducing method and multivalued information reproducing apparatus
US9959477B2 (en) * 2014-03-03 2018-05-01 The Board Of Trustees Of The Leland Stanford Junior University Mapping of blood vessels for biometric authentication
CN112558069B (zh) * 2020-12-11 2023-04-14 江西师范大学 全极化合成孔径雷达图像目标补偿eoc方法

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US3932039A (en) * 1974-08-08 1976-01-13 Westinghouse Electric Corporation Pulsed polarization device for measuring angle of rotation
US4530082A (en) * 1982-06-28 1985-07-16 Eastman Kodak Company Optical disc write/read employing passive focus maintenance
US4681450A (en) * 1985-06-21 1987-07-21 Research Corporation Photodetector arrangement for measuring the state of polarization of light
JPH02173933A (ja) * 1988-12-27 1990-07-05 Toshiba Corp 多重記録方法及び多重記録再生装置
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置
JPH0438720A (ja) * 1990-06-01 1992-02-07 Olympus Optical Co Ltd 光学式多値記録再生方式
US5642343A (en) * 1990-06-29 1997-06-24 Hitachi, Ltd. Magnetooptic disc apparatus and recording medium
JP3033864B2 (ja) * 1991-10-31 2000-04-17 キヤノン株式会社 情報記録方法及びその情報再生装置
JP3267748B2 (ja) * 1993-06-08 2002-03-25 パイオニア株式会社 情報再生方法及び光検出器
JPH0721569A (ja) * 1993-07-06 1995-01-24 Pioneer Electron Corp 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JPH07266705A (ja) * 1994-03-31 1995-10-17 Tdk Corp 光記録ディスク
US5453969A (en) * 1994-05-04 1995-09-26 California Institute Of Technology Optical memory with pit depth encoding
US5880838A (en) * 1996-06-05 1999-03-09 California Institute Of California System and method for optically measuring a structure
US6940801B1 (en) * 1997-11-10 2005-09-06 Fuji Xerox Co., Ltd. Optical recording medium, optical recording and reproducing method and apparatus
JP2000082213A (ja) * 1998-09-03 2000-03-21 Fuji Xerox Co Ltd 光記録方法、光記録装置、光読み取り方法および光読み取り装置
JP2000215462A (ja) * 1999-01-25 2000-08-04 Pioneer Electronic Corp 光ディスク及び光ディスク再生装置
US6275458B1 (en) * 1999-02-18 2001-08-14 Terrence L. Wong Method and apparatus for reading and writing a multi-level signal from an optical disc
WO2002093237A1 (en) * 2001-05-15 2002-11-21 Optellios, Inc. Polarization analysis unit, calibration method and optimization therefor
US7916308B2 (en) * 2003-04-01 2011-03-29 Seagate Technology Llc Method and optical profiler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104937381A (zh) * 2013-01-15 2015-09-23 瑞尼斯豪公司 测量刻度
CN104919284B (zh) * 2013-01-15 2017-08-18 瑞尼斯豪公司 读取由周期性偏振纳米结构表示的数据的方法
US9945697B2 (en) 2013-01-15 2018-04-17 Renishaw Plc Measurement scale with periodic nanostructure

Also Published As

Publication number Publication date
WO2006013556A1 (en) 2006-02-09
US20060028962A1 (en) 2006-02-09

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