ATE300085T1 - Optisches abstastgerät, objektivlinse, gerät zur wiedergabe und/oder aufzeichnung eines optischen informationsaufzeichnungsmediums - Google Patents

Optisches abstastgerät, objektivlinse, gerät zur wiedergabe und/oder aufzeichnung eines optischen informationsaufzeichnungsmediums

Info

Publication number
ATE300085T1
ATE300085T1 AT01304393T AT01304393T ATE300085T1 AT E300085 T1 ATE300085 T1 AT E300085T1 AT 01304393 T AT01304393 T AT 01304393T AT 01304393 T AT01304393 T AT 01304393T AT E300085 T1 ATE300085 T1 AT E300085T1
Authority
AT
Austria
Prior art keywords
region
optical
lens
light flux
order diffracted
Prior art date
Application number
AT01304393T
Other languages
English (en)
Inventor
Kohei Ota
Norikazu Arai
Original Assignee
Konica Minolta Opto Inc
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
Priority claimed from JP2001019502A external-priority patent/JP4457499B2/ja
Application filed by Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Application granted granted Critical
Publication of ATE300085T1 publication Critical patent/ATE300085T1/de

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • 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
    • G11B7/1372—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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates
    • 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)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
AT01304393T 2000-05-24 2001-05-17 Optisches abstastgerät, objektivlinse, gerät zur wiedergabe und/oder aufzeichnung eines optischen informationsaufzeichnungsmediums ATE300085T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000153351 2000-05-24
JP2000153352 2000-05-24
JP2001019502A JP4457499B2 (ja) 2000-05-24 2001-01-29 光ピックアップ装置用対物レンズ及び光ピックアップ装置

Publications (1)

Publication Number Publication Date
ATE300085T1 true ATE300085T1 (de) 2005-08-15

Family

ID=27343487

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01304393T ATE300085T1 (de) 2000-05-24 2001-05-17 Optisches abstastgerät, objektivlinse, gerät zur wiedergabe und/oder aufzeichnung eines optischen informationsaufzeichnungsmediums

Country Status (7)

Country Link
US (1) US6687209B2 (de)
EP (1) EP1158503B1 (de)
KR (1) KR100681965B1 (de)
CN (2) CN100362581C (de)
AT (1) ATE300085T1 (de)
DE (1) DE60111999T2 (de)
TW (1) TW490589B (de)

Families Citing this family (34)

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ATE373304T1 (de) * 2000-10-03 2007-09-15 Koninkl Philips Electronics Nv Optischer kopf zum abtasten eines aufzeichnungsträgers
JP3634736B2 (ja) 2000-10-12 2005-03-30 ペンタックス株式会社 光ヘッド用対物レンズおよび光ヘッドの光学系
EP1340225A1 (de) * 2000-11-09 2003-09-03 Koninklijke Philips Electronics N.V. Optischer kopf zum abtasten eines aufzeichnungsträgers
JP4716239B2 (ja) * 2000-11-14 2011-07-06 コニカミノルタホールディングス株式会社 光ピックアップ装置用の対物レンズ及び光ピックアップ装置
JPWO2002086577A1 (ja) * 2001-04-17 2004-08-12 松下電器産業株式会社 対物レンズ、光ヘッド装置及び光情報記録再生装置
TW535009B (en) * 2001-06-13 2003-06-01 Pentax Corp Diffraction optical element
TW535001B (en) * 2001-06-13 2003-06-01 Pentax Corp Objective lens for optical pick-up
US6947368B2 (en) * 2001-12-07 2005-09-20 Koninklijke Philips Electronics N.V. Duel-layer optical scanner with non-periodic phase structure element of birefringent material for different wavefront aberration compensation of orthogonally polarized radiation beams
DE60330817D1 (de) * 2002-02-27 2010-02-11 Ricoh Kk Optischer Lesekopf und optische Informationsverarbeitungsvorrichtung
JP2003344759A (ja) * 2002-05-30 2003-12-03 Fuji Photo Optical Co Ltd 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置
JP2005149689A (ja) * 2003-10-22 2005-06-09 Nec Corp 光ヘッド装置および光学式情報記録再生装置
AU2003263605A1 (en) * 2002-09-30 2004-04-23 Konica Minolta Holdings, Inc. Optical element, objective optical element and optical pickup device
JP2004288346A (ja) * 2002-10-18 2004-10-14 Konica Minolta Holdings Inc 光ピックアップ装置用の光学素子、カップリングレンズ及び光ピックアップ装置
TWI266898B (en) * 2002-10-31 2006-11-21 Konica Minolta Holdings Inc Objective optical element and optical pickup apparatus
KR100716966B1 (ko) * 2002-11-04 2007-05-10 삼성전자주식회사 트랙킹 극성 정보가 기록된 광 디스크, 그 기록 장치 및기록 방법, 및 그 재생 장치 및 재생 방법
US7408866B2 (en) * 2003-02-14 2008-08-05 Konica Minolta Holdings, Inc. Objective lens for optical pickup apparatus, optical pickup apparatus and optical information recording reproducing apparatus
CN1305053C (zh) * 2003-04-28 2007-03-14 株式会社三协精机制作所 光学头装置及光学头装置用物镜
JP2004326984A (ja) * 2003-04-28 2004-11-18 Sankyo Seiki Mfg Co Ltd 光ヘッド装置、および光ヘッド装置用対物レンズ
JP5002118B2 (ja) * 2003-06-18 2012-08-15 コニカミノルタアドバンストレイヤー株式会社 光ピックアップ装置用の光学素子、及び光ピックアップ装置
JP3868932B2 (ja) * 2003-07-10 2007-01-17 日立マクセル株式会社 レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP2005141892A (ja) * 2003-10-16 2005-06-02 Nec Corp 光ヘッド装置および光学式情報記録又は再生装置
JP2005166173A (ja) * 2003-12-03 2005-06-23 Konica Minolta Opto Inc 光ピックアップ装置及び光情報記録再生装置
US7460460B2 (en) * 2004-02-27 2008-12-02 Konica Minolta Opto, Inc. Objective optical system, optical pickup apparatus and optical information recording and reproducing apparatus
CN100474002C (zh) * 2004-05-25 2009-04-01 柯尼卡美能达精密光学株式会社 物镜光学元件和光检测装置
US7821906B2 (en) * 2004-06-21 2010-10-26 Hoya Corporation Objective lens for optical pick-up
WO2007111077A1 (ja) * 2006-03-24 2007-10-04 Matsushita Electric Industrial Co., Ltd. 複合光学素子
TWI292052B (en) * 2006-05-09 2008-01-01 Young Optics Inc Optical projection and image detection apparatus
KR100833242B1 (ko) * 2006-09-27 2008-05-28 삼성전자주식회사 고개구수를 가지는 대물렌즈 및 이를 채용한 광픽업장치
EP2211343A1 (de) * 2009-01-27 2010-07-28 Thomson Licensing Optisches Aufzeichnungsmedium für hohe Datendichte
JP2011081868A (ja) * 2009-10-07 2011-04-21 Sanyo Electric Co Ltd 対物レンズ、及び光ピックアップ装置
JP5647547B2 (ja) * 2010-03-19 2014-12-24 Hoya株式会社 光情報記録再生装置用対物光学系、及び光情報記録再生装置
JP5138734B2 (ja) * 2010-06-15 2013-02-06 シャープ株式会社 撮像レンズ、および撮像モジュール
JP7086581B2 (ja) 2016-12-21 2022-06-20 キヤノン株式会社 観察光学系及びそれを有する観察装置
WO2022054273A1 (ja) * 2020-09-14 2022-03-17 オリンパス株式会社 対物光学系、撮像装置、及び内視鏡

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100238266B1 (ko) * 1996-02-14 2000-02-01 윤종용 광학장치
US5917800A (en) * 1996-04-26 1999-06-29 Daewoo Electronics Co., Ltd. Optical pickup device for reproducing discs of two types with different densities by double beam focuses of different sizes
KR100346398B1 (ko) * 1998-10-23 2002-10-25 삼성전자 주식회사 계단형회절격자구조를갖는평판렌즈를채용하여cd-rw에호환하는dvd용광기록/픽업헤드
JP4038843B2 (ja) 1996-10-23 2008-01-30 コニカミノルタホールディングス株式会社 光情報記録媒体の記録／再生方法、光ピックアップ装置、集光光学系、対物レンズ及び対物レンズの設計方法
KR100209918B1 (ko) * 1997-03-28 1999-07-15 윤종용 홀로그램형링렌즈를 사용하여 cd-r과 호환하는 dvd용 광픽업
JPH11174218A (ja) * 1997-12-16 1999-07-02 Fuji Photo Optical Co Ltd 回折型フィルタ
ID28515A (id) * 1998-06-26 2001-05-31 Asahi Optical Co Ltd Lensa objektif untuk pemungut optik
JP3689266B2 (ja) 1998-06-26 2005-08-31 ペンタックス株式会社 光ヘッド用対物レンズ
KR100604788B1 (ko) * 1998-10-23 2006-07-26 삼성전자주식회사 호환형 광픽업장치

Also Published As

Publication number Publication date
CN1185636C (zh) 2005-01-19
KR20010107658A (ko) 2001-12-07
US6687209B2 (en) 2004-02-03
EP1158503A3 (de) 2004-04-14
EP1158503B1 (de) 2005-07-20
CN100362581C (zh) 2008-01-16
CN1333537A (zh) 2002-01-30
KR100681965B1 (ko) 2007-02-15
CN1655260A (zh) 2005-08-17
TW490589B (en) 2002-06-11
US20020003767A1 (en) 2002-01-10
DE60111999T2 (de) 2006-05-24
DE60111999D1 (de) 2005-08-25
EP1158503A2 (de) 2001-11-28

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Legal Events

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