WO2009066687A1 - Objective lens and imaging lens - Google Patents

Objective lens and imaging lens Download PDF

Info

Publication number
WO2009066687A1
WO2009066687A1 PCT/JP2008/071009 JP2008071009W WO2009066687A1 WO 2009066687 A1 WO2009066687 A1 WO 2009066687A1 JP 2008071009 W JP2008071009 W JP 2008071009W WO 2009066687 A1 WO2009066687 A1 WO 2009066687A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
objective lens
imaging
pickup device
numerical aperture
Prior art date
Application number
PCT/JP2008/071009
Other languages
French (fr)
Japanese (ja)
Inventor
Yayoi Eguro
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.
Publication of WO2009066687A1 publication Critical patent/WO2009066687A1/en

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
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • 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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)

Abstract

A high numerical aperture objective lens for an optical pickup device with sufficiently improved optical performance and temperature characteristic and an imaging lens for a focus-fixed imaging optical system with sufficiently improved optical performance and temperature characteristic. The objective lens is an objective lens for an optical pickup device having an image-side numerical aperture NA between 0.8 and 0.9, made of hardening resin, and having a refractive index nd of 1.65 or more.
PCT/JP2008/071009 2007-11-21 2008-11-19 Objective lens and imaging lens WO2009066687A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007301765 2007-11-21
JP2007-301765 2007-11-21

Publications (1)

Publication Number Publication Date
WO2009066687A1 true WO2009066687A1 (en) 2009-05-28

Family

ID=40667509

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071009 WO2009066687A1 (en) 2007-11-21 2008-11-19 Objective lens and imaging lens

Country Status (1)

Country Link
WO (1) WO2009066687A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014002876A1 (en) * 2012-06-26 2014-01-03 三菱瓦斯化学株式会社 METHOD FOR PRODUCING BIS(β-EPOXYPROPYL)SULFIDE AND BIS(β-EPOXYPROPYL)POLYSULFIDE

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09110979A (en) * 1995-08-16 1997-04-28 Mitsubishi Gas Chem Co Inc New linear alkyl sulfide type episulfide compound
JPH11322930A (en) * 1998-03-13 1999-11-26 Mitsui Chem Inc Polymerizable composition
JP2001324673A (en) * 1999-09-01 2001-11-22 Konica Corp Objective lens and optical pickup device
JP2004252135A (en) * 2002-08-28 2004-09-09 Konica Minolta Holdings Inc Objective for optical pickup device, optical pickup device and optical information recording and reproducing device
JP2005338109A (en) * 2004-05-24 2005-12-08 Mitsui Chemicals Inc Sulfur-atom-containing resin optical material
JP2007127960A (en) * 2005-11-07 2007-05-24 Konica Minolta Opto Inc Imaging optical system, imaging lens device and digital equipment
JP2007127953A (en) * 2005-11-07 2007-05-24 Konica Minolta Opto Inc Imaging optical system, imaging lens device and digital equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09110979A (en) * 1995-08-16 1997-04-28 Mitsubishi Gas Chem Co Inc New linear alkyl sulfide type episulfide compound
JPH11322930A (en) * 1998-03-13 1999-11-26 Mitsui Chem Inc Polymerizable composition
JP2001324673A (en) * 1999-09-01 2001-11-22 Konica Corp Objective lens and optical pickup device
JP2004252135A (en) * 2002-08-28 2004-09-09 Konica Minolta Holdings Inc Objective for optical pickup device, optical pickup device and optical information recording and reproducing device
JP2005338109A (en) * 2004-05-24 2005-12-08 Mitsui Chemicals Inc Sulfur-atom-containing resin optical material
JP2007127960A (en) * 2005-11-07 2007-05-24 Konica Minolta Opto Inc Imaging optical system, imaging lens device and digital equipment
JP2007127953A (en) * 2005-11-07 2007-05-24 Konica Minolta Opto Inc Imaging optical system, imaging lens device and digital equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014002876A1 (en) * 2012-06-26 2014-01-03 三菱瓦斯化学株式会社 METHOD FOR PRODUCING BIS(β-EPOXYPROPYL)SULFIDE AND BIS(β-EPOXYPROPYL)POLYSULFIDE
CN104379569A (en) * 2012-06-26 2015-02-25 三菱瓦斯化学株式会社 Method for producing bis(beta-epoxypropyl)sulfide and bis(beta-epoxypropyl)polysulfide
US9133151B2 (en) 2012-06-26 2015-09-15 Mitsubishi Gas Chemical Company, Inc. Method for producing bis(β-epdxypropyl)sulfide and bis(β-epdxypropyl)polysulfide
JPWO2014002876A1 (en) * 2012-06-26 2016-05-30 三菱瓦斯化学株式会社 Process for producing bis (β-epoxypropyl) sulfide and bis (β-epoxypropyl) polysulfide
CN104379569B (en) * 2012-06-26 2017-05-24 三菱瓦斯化学株式会社 Method for producing bis(beta-epoxypropyl)sulfide and bis(beta-epoxypropyl)polysulfide

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