CN100419490C - 透镜和采用该透镜的光学系统、光学头以及光盘装置 - Google Patents

透镜和采用该透镜的光学系统、光学头以及光盘装置 Download PDF

Info

Publication number
CN100419490C
CN100419490C CNB2004100697303A CN200410069730A CN100419490C CN 100419490 C CN100419490 C CN 100419490C CN B2004100697303 A CNB2004100697303 A CN B2004100697303A CN 200410069730 A CN200410069730 A CN 200410069730A CN 100419490 C CN100419490 C CN 100419490C
Authority
CN
China
Prior art keywords
lens
wavelength
aij
dvd
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.)
Expired - Fee Related
Application number
CNB2004100697303A
Other languages
English (en)
Chinese (zh)
Other versions
CN1576938A (zh
Inventor
杉靖幸
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Publication of CN1576938A publication Critical patent/CN1576938A/zh
Application granted granted Critical
Publication of CN100419490C publication Critical patent/CN100419490C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/10—Bifocal lenses; Multifocal 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
    • G11B7/125—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
    • 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
    • G11B7/1367—Stepped phase 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
    • G11B7/1392—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
    • 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)
  • Lenses (AREA)
  • Optical Head (AREA)
CNB2004100697303A 2003-07-10 2004-07-09 透镜和采用该透镜的光学系统、光学头以及光盘装置 Expired - Fee Related CN100419490C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003-273055 2003-07-10
JP2003273055A JP3868932B2 (ja) 2003-07-10 2003-07-10 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
JP2003273055 2003-07-10

Publications (2)

Publication Number Publication Date
CN1576938A CN1576938A (zh) 2005-02-09
CN100419490C true CN100419490C (zh) 2008-09-17

Family

ID=33562725

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100697303A Expired - Fee Related CN100419490C (zh) 2003-07-10 2004-07-09 透镜和采用该透镜的光学系统、光学头以及光盘装置

Country Status (5)

Country Link
US (1) US7411743B2 (enExample)
JP (1) JP3868932B2 (enExample)
KR (1) KR101044419B1 (enExample)
CN (1) CN100419490C (enExample)
TW (1) TW200510764A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7365917B2 (en) * 2004-08-16 2008-04-29 Xceed Imaging Ltd. Optical method and system for extended depth of focus
US7742370B2 (en) * 2005-05-23 2010-06-22 Hoya Corporation Objective lens and optical information read/write device
JP2006330765A (ja) * 2006-09-01 2006-12-07 Hitachi Maxell Ltd 光記録媒体記録／再生用対物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
JP2008176903A (ja) * 2006-12-18 2008-07-31 Sanyo Electric Co Ltd 光ピックアップ装置
JP2009123312A (ja) * 2007-11-19 2009-06-04 Hitachi Maxell Ltd 対物レンズ
JP5310386B2 (ja) * 2009-06-18 2013-10-09 ソニー株式会社 対物レンズ、光ピックアップ及び光ディスク装置
WO2011033789A1 (ja) * 2009-09-17 2011-03-24 パナソニック株式会社 対物レンズ素子
US8531783B2 (en) 2010-02-09 2013-09-10 Xceed Imaging Ltd. Imaging method and system for imaging with extended depth of focus
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001051192A (ja) * 1999-08-11 2001-02-23 Asahi Glass Co Ltd 対物レンズ
JP2001315003A (ja) * 2000-05-02 2001-11-13 Asahi Optical Co Ltd バイト
US20020060857A1 (en) * 2000-10-02 2002-05-23 Konica Corporation Optical element, metal die, and cutting tool
CN1424719A (zh) * 2001-10-11 2003-06-18 柯尼卡株式会社 光拾取器装置的光学系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3490762B2 (ja) 1994-04-22 2004-01-26 ペンタックス株式会社 合成樹脂製輪帯レンズ
JPH09145995A (ja) 1995-11-27 1997-06-06 Konica Corp 光情報記録媒体の記録再生用光学系
JPH112759A (ja) 1997-06-13 1999-01-06 Pioneer Electron Corp 対物レンズ
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
US6515955B2 (en) * 2000-04-14 2003-02-04 Pentax Corporation Objective optical system for optical pick-up
TW490589B (en) * 2000-05-24 2002-06-11 Konishiroku Photo Ind Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording medium
JP2002189114A (ja) 2000-10-02 2002-07-05 Konica Corp 光学素子、金型及び工具
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
JP3518684B2 (ja) * 2002-01-11 2004-04-12 日立マクセル株式会社 対物レンズの設計方法、対物レンズ、対物レンズの製造方法、多波長用光学系、光ヘッド及び光デイスク装置
US7038862B2 (en) * 2003-06-17 2006-05-02 Pentax Corporation Objective lens for optical pick-up
KR100525229B1 (ko) * 2003-10-13 2005-10-28 삼성전기주식회사 Ｄｖｄ/ｃｄ 호환형의 광픽업용 대물렌즈

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001051192A (ja) * 1999-08-11 2001-02-23 Asahi Glass Co Ltd 対物レンズ
JP2001315003A (ja) * 2000-05-02 2001-11-13 Asahi Optical Co Ltd バイト
US20020060857A1 (en) * 2000-10-02 2002-05-23 Konica Corporation Optical element, metal die, and cutting tool
CN1424719A (zh) * 2001-10-11 2003-06-18 柯尼卡株式会社 光拾取器装置的光学系统

Also Published As

Publication number Publication date
US20050007935A1 (en) 2005-01-13
KR101044419B1 (ko) 2011-06-27
CN1576938A (zh) 2005-02-09
JP2005031554A (ja) 2005-02-03
TW200510764A (en) 2005-03-16
JP3868932B2 (ja) 2007-01-17
US7411743B2 (en) 2008-08-12
KR20050007182A (ko) 2005-01-17

Similar Documents

Publication Publication Date Title
US7382709B2 (en) Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
KR100588256B1 (ko) 광헤드용 대물렌즈
EP2264708A2 (en) Objective lens, light converging optical system, optical pickup apparatus, and recording/reproducing apparatus
US6865025B2 (en) Aberration compensating optical element, optical system, optical pickup device, recorder and reproducer
EP1359574A2 (en) Recording reproducing optical system, objective lens and aberration correcting optical element
KR100804137B1 (ko) 렌즈 및 그것을 사용한 광학계, 광헤드 및 광디스크장치 및 광픽업장치
US7924683B2 (en) Optical pickup apparatus with objective optical system and guiding optical system
CN100419490C (zh) 透镜和采用该透镜的光学系统、光学头以及光盘装置
JP2005038585A (ja) 光ピックアップ装置、集光光学系及び光学素子
US20090080319A1 (en) Objective optical system and optical information recording/reproducing device having the same
US7440382B2 (en) Objective optical element with multiple diffractive surfaces and optical pickup device
US7801010B2 (en) Coupling lens and optical pickup device
CN101452110B (zh) 物镜、光拾取装置、光记录介质记录及/或再生装置
JP2004101931A (ja) 対物集光手段及び光ピックアップ装置
US20070263523A1 (en) Objective lens optical system and optical pickup optical system
JP5007328B2 (ja) 対物レンズ
JP2005044461A (ja) 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
JP2008130190A (ja) カップリングレンズ及び光ピックアップ装置
CN100432707C (zh) 物镜
JP4818896B2 (ja) カップリングレンズ及び光ピックアップ装置
JP3854590B2 (ja) 対物レンズ
JP5318910B2 (ja) 対物レンズ
JP4385038B2 (ja) 対物レンズ
JP2007122828A (ja) 回折面を有する光学素子、及びそれを用いた光ピックアップ装置
JP2006330765A (ja) 光記録媒体記録／再生用対物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

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080917

Termination date: 20150709

EXPY Termination of patent right or utility model