JP2002116314A5 - - Google Patents

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Publication number
JP2002116314A5
JP2002116314A5 JP2000308180A JP2000308180A JP2002116314A5 JP 2002116314 A5 JP2002116314 A5 JP 2002116314A5 JP 2000308180 A JP2000308180 A JP 2000308180A JP 2000308180 A JP2000308180 A JP 2000308180A JP 2002116314 A5 JP2002116314 A5 JP 2002116314A5
Authority
JP
Japan
Prior art keywords
diffraction element
pickup device
optical pickup
recording surface
beam generating
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.)
Pending
Application number
JP2000308180A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002116314A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2000308180A priority Critical patent/JP2002116314A/ja
Priority claimed from JP2000308180A external-priority patent/JP2002116314A/ja
Priority to CNB011354356A priority patent/CN1198272C/zh
Priority to US09/970,697 priority patent/US6775065B2/en
Publication of JP2002116314A publication Critical patent/JP2002116314A/ja
Publication of JP2002116314A5 publication Critical patent/JP2002116314A5/ja
Pending legal-status Critical Current

Links

JP2000308180A 2000-10-06 2000-10-06 回折素子および光ピックアップ装置 Pending JP2002116314A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000308180A JP2002116314A (ja) 2000-10-06 2000-10-06 回折素子および光ピックアップ装置
CNB011354356A CN1198272C (zh) 2000-10-06 2001-09-28 衍射元件以及光拾取装置
US09/970,697 US6775065B2 (en) 2000-10-06 2001-10-05 Diffraction element and optical pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000308180A JP2002116314A (ja) 2000-10-06 2000-10-06 回折素子および光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2002116314A JP2002116314A (ja) 2002-04-19
JP2002116314A5 true JP2002116314A5 (enExample) 2004-12-09

Family

ID=18788535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000308180A Pending JP2002116314A (ja) 2000-10-06 2000-10-06 回折素子および光ピックアップ装置

Country Status (3)

Country Link
US (1) US6775065B2 (enExample)
JP (1) JP2002116314A (enExample)
CN (1) CN1198272C (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3817438B2 (ja) * 2001-04-18 2006-09-06 アルプス電気株式会社 光学部材およびこれを用いた光学装置
US20030147331A1 (en) * 2002-02-07 2003-08-07 G-Bond Optoelectronics, Inc. Optical pickup diffracting one of two laser beams to a single detector
KR100464417B1 (ko) * 2002-06-11 2005-01-03 삼성전자주식회사 2파장 광원 모듈을 채용한 광픽업 및 위치 공차 보정방법
US6917471B2 (en) * 2003-01-24 2005-07-12 Sumitomo Electric Industries, Ltd. Diffraction grating element
KR100509493B1 (ko) * 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
US7081978B2 (en) * 2003-03-17 2006-07-25 Raytheon Company Beam combining device for multi-spectral laser diodes
US7564763B2 (en) 2003-07-09 2009-07-21 Koninklijke Phililps Electronics N.V. Optical arrangement
JP2006309852A (ja) * 2005-04-27 2006-11-09 Toshiba Corp 光ヘッド装置および情報記録再生装置
JP5087342B2 (ja) * 2007-08-13 2012-12-05 株式会社リコー 光走査装置及び画像形成装置
JP5151443B2 (ja) * 2007-12-13 2013-02-27 株式会社リコー 光走査装置および光走査方法および画像形成装置
US20110134740A1 (en) * 2008-08-08 2011-06-09 Koujirou Sekine Optical Device, Optical Recording Head and Optical Recording Device
JP2010061764A (ja) * 2008-09-05 2010-03-18 Ricoh Co Ltd 光学素子
WO2010082404A1 (ja) * 2009-01-17 2010-07-22 コニカミノルタオプト株式会社 光学装置、光記録ヘッド及び光記録装置
WO2015125794A1 (ja) 2014-02-21 2015-08-27 旭硝子株式会社 導光素子および映像表示装置
TWI656409B (zh) 2015-09-09 2019-04-11 美商克萊譚克公司 基於輔助電磁場之引入之一階散射測量疊加之新方法
CN105742944B (zh) * 2016-03-31 2018-07-03 西北大学 一种双波长、窄线宽太赫兹波参量振荡器
US11114816B2 (en) * 2017-11-08 2021-09-07 Lumentum Operations Llc Diffractive optical element with off-axis incidence in a structured light application
JP2020160134A (ja) * 2019-03-25 2020-10-01 セイコーエプソン株式会社 表示装置、光学素子及び光学素子の製造方法
KR102139906B1 (ko) 2019-10-29 2020-07-30 김하진 탈착식 향 배출튜브가 구비된 전자향로
JP7367064B2 (ja) * 2019-12-26 2023-10-23 富士フイルム株式会社 光走査装置
CN113009497A (zh) * 2021-04-12 2021-06-22 深圳市灵明光子科技有限公司 激光发射模块、tof组件及电子设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62236145A (ja) * 1986-04-07 1987-10-16 Mitsubishi Electric Corp 光学式情報再生装置
US5260828A (en) * 1992-03-27 1993-11-09 Polaroid Corporation Methods and means for reducing temperature-induced variations in lenses and lens devices
US5745289A (en) * 1996-06-21 1998-04-28 Eastman Kodak Company Athermalized diffractive optical elements
JPH10186230A (ja) * 1996-10-29 1998-07-14 Canon Inc レンズ系及び光学機器
US6067106A (en) * 1997-04-16 2000-05-23 Canon Kabushiki Kaisha Scanning optical apparatus
US6134039A (en) * 1998-01-27 2000-10-17 Psc Scanning, Inc. Wavelength dependent thermally compensated optical system
JPH11296893A (ja) * 1998-04-14 1999-10-29 Ricoh Co Ltd 光ピックアップ
KR100604788B1 (ko) * 1998-10-23 2006-07-26 삼성전자주식회사 호환형 광픽업장치
JP2001014717A (ja) * 1999-04-28 2001-01-19 Matsushita Electronics Industry Corp 光学装置
US6381387B1 (en) * 2000-08-02 2002-04-30 Networks Photonics, Inc. Athermalization of a wavelength routing element

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