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WO2009037850A1 - 光ピックアップ光学系、これを用いた光ピックアップ装置 - Google Patents

光ピックアップ光学系、これを用いた光ピックアップ装置 Download PDF

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Publication number
WO2009037850A1
WO2009037850A1 PCT/JP2008/002590 JP2008002590W WO2009037850A1 WO 2009037850 A1 WO2009037850 A1 WO 2009037850A1 JP 2008002590 W JP2008002590 W JP 2008002590W WO 2009037850 A1 WO2009037850 A1 WO 2009037850A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
optical pickup
beam expander
same
pickup device
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.)
Ceased
Application number
PCT/JP2008/002590
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Tanaka
Michihiro Yamagata
Katsuhiko Hayashi
Masahiro Birukawa
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Priority to US12/679,041 priority Critical patent/US8179768B2/en
Publication of WO2009037850A1 publication Critical patent/WO2009037850A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G11B7/1392—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
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • 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
    • 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
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • 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
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

　光記録媒体に対して情報の記録・再生・消去を行うために用いられ、シンプルな構成を有する光ピックアップ光学系を提供する。光ピックアップ装置１は、コリメータレンズ系２３と、ビームエクスパンダー３３と、Ｓ－ＳＩＬ素子２７ｂを含む対物レンズ系３４とを備える。ビームエクスパンダー３３は、３枚のレンズ素子３３ａ～３３ｃから構成されている。ビームエクスパンダー３３に含まれる２枚のレンズ素子３３ａ及び３３ｂは、光軸方向に移動することによって、光記録媒体２８内部に形成されるスポットの合焦位置を調整すると共に、記録層の深さの相異に起因する球面収差を補正する。
PCT/JP2008/002590 2007-09-20 2008-09-19 光ピックアップ光学系、これを用いた光ピックアップ装置 Ceased WO2009037850A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/679,041 US8179768B2 (en) 2007-09-20 2008-09-19 Optical system for compensating for spherical aberration and/or coma aberration in an optical pickup device and optical pickup device having the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-243733 2007-09-20
JP2007243733 2007-09-20
JP2007327549 2007-12-19
JP2007-327549 2007-12-19

Publications (1)

Publication Number Publication Date
WO2009037850A1 true WO2009037850A1 (ja) 2009-03-26

Family

ID=40467677

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2008/002590 Ceased WO2009037850A1 (ja) 2007-09-20 2008-09-19 光ピックアップ光学系、これを用いた光ピックアップ装置
PCT/JP2008/002591 Ceased WO2009037851A1 (ja) 2007-09-20 2008-09-19 光ピックアップ光学系、これを用いた光ピックアップ装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002591 Ceased WO2009037851A1 (ja) 2007-09-20 2008-09-19 光ピックアップ光学系、これを用いた光ピックアップ装置

Country Status (3)

Country Link
US (2) US8233372B2 (ja)
JP (6) JP2009170074A (ja)
WO (2) WO2009037850A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8483034B2 (en) 2010-11-10 2013-07-09 Panasonic Corporation Optical pickup, inclination angle detection method, optical information device and information processing device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009170011A (ja) * 2008-01-11 2009-07-30 Sony Corp 光学ピックアップとこれを用いた光記録再生装置、近接場光記録再生方法
KR101694797B1 (ko) * 2010-12-21 2017-01-11 삼성전자주식회사 3차원 이미지 센서의 구동 방법
JP5907591B2 (ja) * 2011-07-06 2016-04-26 株式会社 清原光学 ビームエクスパンダ
JP6690217B2 (ja) * 2015-03-09 2020-04-28 セイコーエプソン株式会社 光源装置及びプロジェクター

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09311271A (ja) * 1996-05-20 1997-12-02 ソニー株式会社 対物レンズ及び光学ピックアップ装置
JP2000182268A (ja) * 1998-12-11 2000-06-30 Pioneer Electronic Corp 収差補正装置及びこれを用いた光ピックアップ装置
JP2001524246A (ja) * 1997-04-29 2001-11-27 テラスター・コーポレーション 近接記録及び読出用浮動ヘッドを有する電気光学記憶システム
JP2002279680A (ja) * 2001-03-21 2002-09-27 Konica Corp 光ピックアップ装置、光ピックアップ装置の集光光学系及び光情報記録再生方法、
JP3436175B2 (ja) * 1998-03-19 2003-08-11 富士ゼロックス株式会社 光ヘッドおよびディスク装置
JP2003263770A (ja) * 2002-03-06 2003-09-19 Sony Corp 光記録再生装置及び光記録媒体
JP2005108281A (ja) * 2003-09-29 2005-04-21 Sanyo Electric Co Ltd 光ディスク装置
JP2006202416A (ja) * 2005-01-20 2006-08-03 Konica Minolta Opto Inc 光ピックアップ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154326A (en) * 1998-03-19 2000-11-28 Fuji Xerox Co., Ltd. Optical head, disk apparatus, method for manufacturing optical head, and optical element
US6781104B1 (en) * 1998-06-16 2004-08-24 Koninklijke Philips Electronics N.V. Device for scanning an optical record carrier
JP2001307370A (ja) * 2000-04-25 2001-11-02 Olympus Optical Co Ltd 光記録再生装置
JP2002140831A (ja) * 2000-11-02 2002-05-17 Sharp Corp 光ピックアップ装置
JP4373036B2 (ja) * 2001-08-31 2009-11-25 パイオニア株式会社 光ピックアップ
US20040133489A1 (en) 2001-11-08 2004-07-08 Stremler Troy D. Philanthropy management apparatus, system, and methods of use and doing business
JP4016179B2 (ja) 2002-02-28 2007-12-05 ソニー株式会社 露光装置及び収束レンズの制御方法
US20060077865A1 (en) * 2002-10-07 2006-04-13 Mempile Inc. Tight focusing method and system
JP4038467B2 (ja) * 2003-10-15 2008-01-23 株式会社日立製作所 光ピックアップおよび光ディスク装置
JP4522829B2 (ja) * 2004-11-22 2010-08-11 株式会社リコー 光ピックアップ及び補正用収差発生方法とこれを用いた光情報処理装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09311271A (ja) * 1996-05-20 1997-12-02 ソニー株式会社 対物レンズ及び光学ピックアップ装置
JP2001524246A (ja) * 1997-04-29 2001-11-27 テラスター・コーポレーション 近接記録及び読出用浮動ヘッドを有する電気光学記憶システム
JP3436175B2 (ja) * 1998-03-19 2003-08-11 富士ゼロックス株式会社 光ヘッドおよびディスク装置
JP2000182268A (ja) * 1998-12-11 2000-06-30 Pioneer Electronic Corp 収差補正装置及びこれを用いた光ピックアップ装置
JP2002279680A (ja) * 2001-03-21 2002-09-27 Konica Corp 光ピックアップ装置、光ピックアップ装置の集光光学系及び光情報記録再生方法、
JP2003263770A (ja) * 2002-03-06 2003-09-19 Sony Corp 光記録再生装置及び光記録媒体
JP2005108281A (ja) * 2003-09-29 2005-04-21 Sanyo Electric Co Ltd 光ディスク装置
JP2006202416A (ja) * 2005-01-20 2006-08-03 Konica Minolta Opto Inc 光ピックアップ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8483034B2 (en) 2010-11-10 2013-07-09 Panasonic Corporation Optical pickup, inclination angle detection method, optical information device and information processing device

Also Published As

Publication number Publication date
US20100278030A1 (en) 2010-11-04
JP2009170075A (ja) 2009-07-30
JP2009170074A (ja) 2009-07-30
US8233372B2 (en) 2012-07-31
JP2009170073A (ja) 2009-07-30
JP2009170071A (ja) 2009-07-30
JP2009170072A (ja) 2009-07-30
JP2009170076A (ja) 2009-07-30
US20100254248A1 (en) 2010-10-07
WO2009037851A1 (ja) 2009-03-26
US8179768B2 (en) 2012-05-15

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