WO2008081859A1 - 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器 - Google Patents

光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器 Download PDF

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Publication number
WO2008081859A1
WO2008081859A1 PCT/JP2007/075097 JP2007075097W WO2008081859A1 WO 2008081859 A1 WO2008081859 A1 WO 2008081859A1 JP 2007075097 W JP2007075097 W JP 2007075097W WO 2008081859 A1 WO2008081859 A1 WO 2008081859A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
coupling lens
compound
recording medium
information recording
Prior art date
Application number
PCT/JP2007/075097
Other languages
English (en)
French (fr)
Inventor
Toshiyasu Tanaka
Fumitomo Yamasaki
Yoshiaki Komma
Kanji Wakabayashi
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2008552148A priority Critical patent/JPWO2008081859A1/ja
Publication of WO2008081859A1 publication Critical patent/WO2008081859A1/ja

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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective 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
    • G11B7/1372—Lenses
    • G11B7/1376—Collimator 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • 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
    • G11B7/1395—Beam splitters or combiners
    • 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
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)

Abstract

　第１透明基材厚を有する第１の情報記録媒体（５０）又は第２透明基材厚を有する第２の情報記録媒体（６０）に青紫色のレーザ光をアクセスさせる光ピックアップにおいて、前記青紫色レーザ光を第１の光路又は第２の光路に切り替える光路切り替え部（３，４）を、光源（１ａ、１ｂ）とカップリングレンズ（５，６）との間、又はカップリングレンズと対物レンズとの間に配置する。さらに、前記カップリングレンズは、前記第１の情報記録媒体又は前記第２の情報記録媒体で反射した反射レーザ光を収束光に変換する。前記収束光は、受光素子（１３）へ導かれる。
PCT/JP2007/075097 2006-12-29 2007-12-27 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器 WO2008081859A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008552148A JPWO2008081859A1 (ja) 2006-12-29 2007-12-27 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US87761606P 2006-12-29 2006-12-29
US87760506P 2006-12-29 2006-12-29
US60/877,616 2006-12-29
US60/877,605 2006-12-29

Publications (1)

Publication Number Publication Date
WO2008081859A1 true WO2008081859A1 (ja) 2008-07-10

Family

ID=39588541

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/075097 WO2008081859A1 (ja) 2006-12-29 2007-12-27 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器

Country Status (3)

Country Link
US (1) US8089850B2 (ja)
JP (1) JPWO2008081859A1 (ja)
WO (1) WO2008081859A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009087413A (ja) * 2007-09-28 2009-04-23 Hitachi Media Electoronics Co Ltd 光ディスクドライブ装置、光ピックアップ及びそれに用いられる光学部品
WO2011118209A1 (ja) * 2010-03-25 2011-09-29 パナソニック株式会社 光ピックアップ装置及び光ディスク装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4528751B2 (ja) * 2006-08-30 2010-08-18 株式会社日立メディアエレクトロニクス レンズ駆動装置及び光ピックアップ
JP4308274B2 (ja) * 2007-02-01 2009-08-05 三洋電機株式会社 光ピックアップ装置および光ディスク装置
JP4260188B2 (ja) * 2007-02-01 2009-04-30 三洋電機株式会社 光ピックアップ装置および光ディスク装置
KR20080077338A (ko) * 2007-02-19 2008-08-22 미쓰비시덴키 가부시키가이샤 백라이트 장치 및 투과형 표시 장치
WO2008108138A1 (ja) * 2007-03-06 2008-09-12 Nec Corporation 光ヘッド装置および光学式情報記録再生装置ならびに光学式情報記録再生方法
US7872705B2 (en) * 2007-07-29 2011-01-18 Cree, Inc. LED backlight system for LCD displays
JP2010165391A (ja) * 2009-01-13 2010-07-29 Funai Electric Co Ltd 光ピックアップ
JP5121762B2 (ja) * 2009-03-19 2013-01-16 株式会社日立メディアエレクトロニクス 光ピックアップ
EP2907732B1 (en) * 2012-10-11 2018-01-31 Mitsubishi Electric Corporation Vehicle headlight device
WO2016098281A1 (ja) * 2014-12-18 2016-06-23 日本電気株式会社 投射装置およびインターフェース装置
CN211698581U (zh) * 2019-03-08 2020-10-16 瑞尔D股份有限公司 偏振分束器组件以及立体图像设备
CN112750470B (zh) * 2019-10-30 2022-05-31 华为技术有限公司 一种检测装置、光驱及检测方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09212905A (ja) * 1996-02-06 1997-08-15 Nec Corp 光ヘッド装置
JP2004295983A (ja) * 2003-03-26 2004-10-21 Tdk Corp 光ヘッド及びそれを用いた光記録再生装置
JP2006024351A (ja) * 2004-07-05 2006-01-26 Samsung Electronics Co Ltd 光ピックアップ及びそれを採用した光記録及び／または再生機器
WO2006112249A1 (ja) * 2005-04-15 2006-10-26 Pioneer Corporation 光ピックアップ装置及び情報記録再生装置
WO2006112153A1 (ja) * 2005-03-30 2006-10-26 Pioneer Corporation 光ピックアップ装置及び情報記録再生装置
JP2007004875A (ja) * 2005-06-22 2007-01-11 Sony Corp 光ピックアップ
JP2007087493A (ja) * 2005-09-21 2007-04-05 Sharp Corp 光ピックアップ装置、光ディスクドライブ、及び、対物レンズ切換え方法
WO2007055167A1 (ja) * 2005-11-08 2007-05-18 Konica Minolta Opto, Inc. 光ピックアップ装置
WO2007114047A1 (ja) * 2006-03-31 2007-10-11 Pioneer Corporation 光ヘッド装置
JP2008010130A (ja) * 2006-05-30 2008-01-17 Sanyo Electric Co Ltd 光ピックアップ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3949793B2 (ja) 1997-10-13 2007-07-25 オリンパス株式会社 光ピックアップ
JP2001344803A (ja) 2000-06-01 2001-12-14 Matsushita Electric Ind Co Ltd 光ヘッドおよびそれを用いた光情報記録再生装置
US7245407B2 (en) * 2002-06-10 2007-07-17 Matsushita Electric Industrial Co., Ltd. Complex objective lens compatible with information media of different thicknesses
JP2006147075A (ja) * 2004-11-22 2006-06-08 Hitachi Media Electoronics Co Ltd 光ヘッドおよびそれを用いた光学的情報記録再生装置
KR20080020901A (ko) * 2006-09-01 2008-03-06 삼성전자주식회사 광픽업 장치
JP4260188B2 (ja) * 2007-02-01 2009-04-30 三洋電機株式会社 光ピックアップ装置および光ディスク装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09212905A (ja) * 1996-02-06 1997-08-15 Nec Corp 光ヘッド装置
JP2004295983A (ja) * 2003-03-26 2004-10-21 Tdk Corp 光ヘッド及びそれを用いた光記録再生装置
JP2006024351A (ja) * 2004-07-05 2006-01-26 Samsung Electronics Co Ltd 光ピックアップ及びそれを採用した光記録及び／または再生機器
WO2006112153A1 (ja) * 2005-03-30 2006-10-26 Pioneer Corporation 光ピックアップ装置及び情報記録再生装置
WO2006112249A1 (ja) * 2005-04-15 2006-10-26 Pioneer Corporation 光ピックアップ装置及び情報記録再生装置
JP2007004875A (ja) * 2005-06-22 2007-01-11 Sony Corp 光ピックアップ
JP2007087493A (ja) * 2005-09-21 2007-04-05 Sharp Corp 光ピックアップ装置、光ディスクドライブ、及び、対物レンズ切換え方法
WO2007055167A1 (ja) * 2005-11-08 2007-05-18 Konica Minolta Opto, Inc. 光ピックアップ装置
WO2007114047A1 (ja) * 2006-03-31 2007-10-11 Pioneer Corporation 光ヘッド装置
JP2008010130A (ja) * 2006-05-30 2008-01-17 Sanyo Electric Co Ltd 光ピックアップ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009087413A (ja) * 2007-09-28 2009-04-23 Hitachi Media Electoronics Co Ltd 光ディスクドライブ装置、光ピックアップ及びそれに用いられる光学部品
WO2011118209A1 (ja) * 2010-03-25 2011-09-29 パナソニック株式会社 光ピックアップ装置及び光ディスク装置

Also Published As

Publication number Publication date
JPWO2008081859A1 (ja) 2010-04-30
US20080175129A1 (en) 2008-07-24
US8089850B2 (en) 2012-01-03

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