ATE503247T1 - Beugungselement und optische kopfeinrichtung - Google Patents

Beugungselement und optische kopfeinrichtung

Info

Publication number
ATE503247T1
ATE503247T1 AT04729284T AT04729284T ATE503247T1 AT E503247 T1 ATE503247 T1 AT E503247T1 AT 04729284 T AT04729284 T AT 04729284T AT 04729284 T AT04729284 T AT 04729284T AT E503247 T1 ATE503247 T1 AT E503247T1
Authority
AT
Austria
Prior art keywords
wavelength
head device
optical head
diffraction element
concavo
Prior art date
Application number
AT04729284T
Other languages
English (en)
Inventor
Hiromasa Sato
Ryota Murakami
Original Assignee
Asahi Glass Co 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Application granted granted Critical
Publication of ATE503247T1 publication Critical patent/ATE503247T1/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
    • G11B7/12—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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Lenses (AREA)
AT04729284T 2003-04-25 2004-04-23 Beugungselement und optische kopfeinrichtung ATE503247T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003121736 2003-04-25
JP2003306424 2003-08-29
PCT/JP2004/005936 WO2004097816A1 (ja) 2003-04-25 2004-04-23 回折素子および光ヘッド装置

Publications (1)

Publication Number Publication Date
ATE503247T1 true ATE503247T1 (de) 2011-04-15

Family

ID=33422042

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04729284T ATE503247T1 (de) 2003-04-25 2004-04-23 Beugungselement und optische kopfeinrichtung

Country Status (7)

Country Link
US (1) US20060033913A1 (de)
EP (1) EP1619678B1 (de)
JP (2) JPWO2004097816A1 (de)
KR (1) KR20060002808A (de)
AT (1) ATE503247T1 (de)
DE (1) DE602004031934D1 (de)
WO (1) WO2004097816A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003025633A1 (en) * 2001-09-13 2003-03-27 Asahi Glass Company, Limited Diffraction device
EP1780582A4 (de) * 2004-07-29 2009-07-08 Asahi Glass Co Ltd Polarisiertes beugungsfilter und geschichtetes polarisiertes beugungsfilter
JP4258515B2 (ja) 2005-02-04 2009-04-30 パナソニック株式会社 回折素子、回折素子の製造方法、光ピックアップ装置および光ディスク装置
JP2007141429A (ja) * 2005-10-21 2007-06-07 Matsushita Electric Ind Co Ltd 回折格子、光ピックアップ装置及び光ディスク装置
JPWO2007069660A1 (ja) * 2005-12-15 2009-05-21 旭硝子株式会社 波長選択回折素子及び光ヘッド装置
US7595876B2 (en) * 2006-01-11 2009-09-29 Baker Hughes Incorporated Method and apparatus for estimating a property of a fluid downhole
US7576856B2 (en) * 2006-01-11 2009-08-18 Baker Hughes Incorporated Method and apparatus for estimating a property of a fluid downhole
JP4978105B2 (ja) * 2006-08-10 2012-07-18 セイコーエプソン株式会社 撮像素子カバー及び撮像装置
JP4978106B2 (ja) * 2006-08-10 2012-07-18 セイコーエプソン株式会社 撮像素子カバー及び撮像装置
WO2008044686A1 (en) * 2006-10-10 2008-04-17 Asahi Glass Co., Ltd. Diffraction element and optical head device equipped therewith
JP4106072B1 (ja) * 2006-12-18 2008-06-25 松下電器産業株式会社 光ピックアップ装置
JP2008159718A (ja) * 2006-12-21 2008-07-10 Sharp Corp マルチチップモジュールおよびその製造方法、並びにマルチチップモジュールの搭載構造およびその製造方法
JP5316409B2 (ja) * 2007-07-27 2013-10-16 旭硝子株式会社 位相差素子および光ヘッド装置
US20090156982A1 (en) * 2007-09-06 2009-06-18 Arezou Petrie Transdermal treatment device and method
JP7136094B2 (ja) * 2017-05-26 2022-09-13 Ａｇｃ株式会社 回折光学素子、投影装置及び計測装置
US11873554B2 (en) 2021-03-25 2024-01-16 Applied Materials, Inc. Ion implantation to modify glass locally for optical devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049803A (ja) * 1990-04-27 1992-01-14 Kuraray Co Ltd 回折格子
US5245471A (en) * 1991-06-14 1993-09-14 Tdk Corporation Polarizers, polarizer-equipped optical elements, and method of manufacturing the same
US5847877A (en) * 1994-09-12 1998-12-08 Olympus Optical Co., Ltd. Diffractive optical element
US6157488A (en) * 1995-08-29 2000-12-05 Olympus Optical Company Ltd. Diffractive optical element
US6618116B1 (en) * 1997-10-02 2003-09-09 Asahi Glass Company, Limited Optical head device and a diffraction element suitable for the device, and a method of manufacturing the diffraction element and the optical head device
US6072579A (en) * 1998-08-27 2000-06-06 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
JP4366862B2 (ja) * 2000-12-20 2009-11-18 旭硝子株式会社 光ヘッド装置
JP4345256B2 (ja) * 2001-02-14 2009-10-14 旭硝子株式会社 波長選択性回折素子および光ヘッド装置
JP4691830B2 (ja) * 2001-05-30 2011-06-01 旭硝子株式会社 波長選択性回折素子および光ヘッド装置
JP2002372624A (ja) * 2001-06-14 2002-12-26 Ricoh Co Ltd 偏光分離素子、半導体レーザユニットおよび光ピックアップ装置
JP2003014914A (ja) * 2001-07-02 2003-01-15 Sharp Corp 回折素子およびそれを組み込んだ光ピックアップ装置
WO2003025633A1 (en) * 2001-09-13 2003-03-27 Asahi Glass Company, Limited Diffraction device
JP2005292244A (ja) * 2004-03-31 2005-10-20 Matsushita Electric Ind Co Ltd 集光装置及び回折装置

Also Published As

Publication number Publication date
JP2010153027A (ja) 2010-07-08
WO2004097816A1 (ja) 2004-11-11
EP1619678A4 (de) 2007-04-04
US20060033913A1 (en) 2006-02-16
JPWO2004097816A1 (ja) 2006-07-13
EP1619678B1 (de) 2011-03-23
EP1619678A1 (de) 2006-01-25
DE602004031934D1 (de) 2011-05-05
KR20060002808A (ko) 2006-01-09

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