WO2009041322A1 - 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 - Google Patents

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 Download PDF

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Publication number
WO2009041322A1
WO2009041322A1 PCT/JP2008/066726 JP2008066726W WO2009041322A1 WO 2009041322 A1 WO2009041322 A1 WO 2009041322A1 JP 2008066726 W JP2008066726 W JP 2008066726W WO 2009041322 A1 WO2009041322 A1 WO 2009041322A1
Authority
WO
WIPO (PCT)
Prior art keywords
objective lens
optical pickup
variation
diffraction efficiency
optical
Prior art date
Application number
PCT/JP2008/066726
Other languages
English (en)
French (fr)
Inventor
Kohei Ota
Yuki Ono
Kentarou Nakamura
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
Application filed by Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to JP2009534293A priority Critical patent/JP5408549B2/ja
Priority to CN2008801083930A priority patent/CN101809661B/zh
Publication of WO2009041322A1 publication Critical patent/WO2009041322A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4283—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element with major temperature dependent properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • 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
    • 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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Abstract

　本発明は、光路差付与構造によって生じる回折光を、光情報記録媒体の情報記録面にスポットとして集光する光ピックアップ装置用の対物レンズにおいて、使用波長の変化による回折効率の変動を小さく抑えることができる対物レンズ及びそれを用いた光ピックアップ装置を提供する。対物レンズにおける光路差付与構造を形成する複数の基礎構造の回折効率が最大となる波長を、基礎構造に応じて調整することで、トータルでの回折効率の向上を図りつつ、使用波長の変化による回折効率の変動を小さく抑えることを特徴とする。
PCT/JP2008/066726 2007-09-27 2008-09-17 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 WO2009041322A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009534293A JP5408549B2 (ja) 2007-09-27 2008-09-17 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
CN2008801083930A CN101809661B (zh) 2007-09-27 2008-09-17 光拾取装置用物镜及光拾取装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007251927 2007-09-27
JP2007-251927 2007-09-27

Publications (1)

Publication Number Publication Date
WO2009041322A1 true WO2009041322A1 (ja) 2009-04-02

Family

ID=40511209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066726 WO2009041322A1 (ja) 2007-09-27 2008-09-17 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

Country Status (3)

Country Link
JP (1) JP5408549B2 (ja)
CN (1) CN101809661B (ja)
WO (1) WO2009041322A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011216176A (ja) * 2010-03-19 2011-10-27 Hoya Corp 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088364A1 (ja) * 2004-03-17 2005-09-22 Sumitomo Electric Industries, Ltd. ホログラムカラーフィルタとその作製方法およびそれを含むカラー液晶表示装置
JP2006164498A (ja) * 2004-12-02 2006-06-22 Konica Minolta Opto Inc 対物光学系、光ピックアップ装置及び光情報記録再生装置
WO2007043226A1 (ja) * 2005-10-12 2007-04-19 Sumitomo Electric Industries, Ltd. 固体撮像装置とその製造方法
JP2007163780A (ja) * 2005-12-13 2007-06-28 Fujitsu Ltd 多波長分光装置
WO2007102318A1 (ja) * 2006-03-07 2007-09-13 Konica Minolta Opto, Inc. 光ピックアップ装置、対物光学素子及び光情報記録再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1685407B (zh) * 2002-09-30 2010-11-03 柯尼卡美能达控股株式会社 物镜光学元件及光学拾取器
CN101034568B (zh) * 2006-03-07 2011-05-11 柯尼卡美能达精密光学株式会社 光拾取装置、对物光学元件和光信息记录重放装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088364A1 (ja) * 2004-03-17 2005-09-22 Sumitomo Electric Industries, Ltd. ホログラムカラーフィルタとその作製方法およびそれを含むカラー液晶表示装置
JP2006164498A (ja) * 2004-12-02 2006-06-22 Konica Minolta Opto Inc 対物光学系、光ピックアップ装置及び光情報記録再生装置
WO2007043226A1 (ja) * 2005-10-12 2007-04-19 Sumitomo Electric Industries, Ltd. 固体撮像装置とその製造方法
JP2007163780A (ja) * 2005-12-13 2007-06-28 Fujitsu Ltd 多波長分光装置
WO2007102318A1 (ja) * 2006-03-07 2007-09-13 Konica Minolta Opto, Inc. 光ピックアップ装置、対物光学素子及び光情報記録再生装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011216176A (ja) * 2010-03-19 2011-10-27 Hoya Corp 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
JP2015057751A (ja) * 2010-03-19 2015-03-26 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

Also Published As

Publication number Publication date
JP5408549B2 (ja) 2014-02-05
CN101809661B (zh) 2012-07-11
JPWO2009041322A1 (ja) 2011-01-27
CN101809661A (zh) 2010-08-18

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