ATE503247T1 - Beugungselement und optische kopfeinrichtung - Google Patents
Beugungselement und optische kopfeinrichtungInfo
- 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
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
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 (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003025633A1 (fr) * | 2001-09-13 | 2003-03-27 | Asahi Glass Company, Limited | Dispositif de diffraction |
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 |
KR20080084964A (ko) * | 2005-12-15 | 2008-09-22 | 아사히 가라스 가부시키가이샤 | 파장 선택 회절 소자 및 광 헤드 장치 |
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 |
EP2085968A4 (de) * | 2006-10-10 | 2011-03-30 | Asahi Glass Co Ltd | Beugungselement und damit ausgestattete optische kopfanordnung |
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 |
WO2009017037A1 (ja) * | 2007-07-27 | 2009-02-05 | Asahi Glass Co., Ltd. | 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 |
Family Cites Families (13)
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 (fr) * | 2001-09-13 | 2003-03-27 | Asahi Glass Company, Limited | Dispositif de diffraction |
JP2005292244A (ja) * | 2004-03-31 | 2005-10-20 | Matsushita Electric Ind Co Ltd | 集光装置及び回折装置 |
-
2004
- 2004-04-23 JP JP2005505888A patent/JPWO2004097816A1/ja active Pending
- 2004-04-23 KR KR1020057016766A patent/KR20060002808A/ko not_active Application Discontinuation
- 2004-04-23 WO PCT/JP2004/005936 patent/WO2004097816A1/ja active Application Filing
- 2004-04-23 EP EP04729284A patent/EP1619678B1/de not_active Expired - Lifetime
- 2004-04-23 DE DE602004031934T patent/DE602004031934D1/de not_active Expired - Lifetime
- 2004-04-23 AT AT04729284T patent/ATE503247T1/de not_active IP Right Cessation
-
2005
- 2005-10-24 US US11/256,053 patent/US20060033913A1/en not_active Abandoned
-
2010
- 2010-02-19 JP JP2010034974A patent/JP2010153027A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1619678A4 (de) | 2007-04-04 |
US20060033913A1 (en) | 2006-02-16 |
WO2004097816A1 (ja) | 2004-11-11 |
JP2010153027A (ja) | 2010-07-08 |
KR20060002808A (ko) | 2006-01-09 |
DE602004031934D1 (de) | 2011-05-05 |
JPWO2004097816A1 (ja) | 2006-07-13 |
EP1619678A1 (de) | 2006-01-25 |
EP1619678B1 (de) | 2011-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE503247T1 (de) | Beugungselement und optische kopfeinrichtung | |
DE60044473D1 (de) | Optische Lesekopfvorrichtung | |
KR860004391A (ko) | 광학 데이타 카드 및 그 제조방법 | |
DE60042473D1 (de) | Optische platte und herstellungsverfahren | |
DE69811958D1 (de) | Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit | |
KR960015455A (ko) | 광학 정보 기록 매체 | |
EP1001414A3 (de) | Kompatibles optisches Abtastgerät | |
ES2076942T3 (es) | Medio optico de registro de informacion. | |
DE602005018801D1 (de) | Optisches brechungselement, objektivlinsenmodul, optischer abnehmer, und optische informaitonsaufzeichnungs-/-wiedergabevorrichtung | |
KR970050349A (ko) | 광픽업장치 | |
ATE364226T1 (de) | Optische abtastvorrichtung | |
TW200501147A (en) | Optical information recording medium, recording and readout methods using the same, optical information recording device, and optical information readout device | |
ATE501510T1 (de) | Schutzfilm für und ihn enthaltende optische scheibe | |
ATE528756T1 (de) | Optisches aufzeichnungsmedium | |
JP4234013B2 (ja) | 光情報再生方法、光ヘッド装置、および光情報処理装置 | |
JP4336665B2 (ja) | 光学素子およびこれを備えた光ピックアップ装置 | |
JP2006127721A5 (de) | ||
JP2002196123A (ja) | 2波長用回折光学素子、2波長光源装置および光学ヘッド装置 | |
ES2284055T3 (es) | Medio de almacenamiento optico de datos de doble fila de grabacion unica. | |
JP2005038581A5 (de) | ||
JPS63157334A (ja) | 光学走査装置 | |
JPH0495233A (ja) | 光学式ピックアップ装置 | |
KR960002185A (ko) | 광픽업장치 | |
JP2005327398A5 (de) | ||
KR970076594A (ko) | 고밀도 광 디스크 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |