JPH11202111A5 - - Google Patents

Info

Publication number
JPH11202111A5
JPH11202111A5 JP1998005681A JP568198A JPH11202111A5 JP H11202111 A5 JPH11202111 A5 JP H11202111A5 JP 1998005681 A JP1998005681 A JP 1998005681A JP 568198 A JP568198 A JP 568198A JP H11202111 A5 JPH11202111 A5 JP H11202111A5
Authority
JP
Japan
Prior art keywords
optical member
optical system
light
limiting means
wavelength band
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.)
Granted
Application number
JP1998005681A
Other languages
English (en)
Other versions
JPH11202111A (ja
JP4149021B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP00568198A priority Critical patent/JP4149021B2/ja
Priority claimed from JP00568198A external-priority patent/JP4149021B2/ja
Priority to US09/159,224 priority patent/US6185043B1/en
Publication of JPH11202111A publication Critical patent/JPH11202111A/ja
Publication of JPH11202111A5 publication Critical patent/JPH11202111A5/ja
Application granted granted Critical
Publication of JP4149021B2 publication Critical patent/JP4149021B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【００１４】
【課題を解決するための手段】
上記目的を達成する本発明の光学系は、帯域光が入射する光学系において、
表面にレリーフ形状の回折格子溝を有する光学部材と、
前記光学部材とは異なる材料からなり、前記光学部材の表面上に形成された保護層と、
前記光学部材からの回折光の中、像形成に不要な回折次数光の回折効率が高くなる波長域の光の強度を低減する波長帯域制限手段と、
を有することを特徴とするものである。

Claims (3)

  1. 帯域光が入射する光学系において、
    表面にレリーフ形状の回折格子溝を有する光学部材と、
    前記光学部材とは異なる材料からなり、前記光学部材の表面上に形成された保護層と、
    前記光学部材からの回折光の中、像形成に不要な回折次数光の回折効率が高くなる波長域の光の強度を低減する波長帯域制限手段と、
    を有することを特徴とする光学系。
  2. 前記波長帯域制限手段が前記光学部材の入射面側及び射出面側の少なくとも何れかに配置されていることを特徴とする請求項１記載の光学系。
  3. 前記保護層が前記波長帯域制限手段を含むことを特徴とする請求項１又は２記載の光学系。
JP00568198A 1998-01-14 1998-01-14 光学系 Expired - Lifetime JP4149021B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP00568198A JP4149021B2 (ja) 1998-01-14 1998-01-14 光学系
US09/159,224 US6185043B1 (en) 1998-01-14 1998-09-23 Optical system having diffractive optical element and image pickup apparatus having diffractive optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00568198A JP4149021B2 (ja) 1998-01-14 1998-01-14 光学系

Publications (3)

Publication Number Publication Date
JPH11202111A JPH11202111A (ja) 1999-07-30
JPH11202111A5 true JPH11202111A5 (ja) 2005-06-30
JP4149021B2 JP4149021B2 (ja) 2008-09-10

Family

ID=11617849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP00568198A Expired - Lifetime JP4149021B2 (ja) 1998-01-14 1998-01-14 光学系

Country Status (2)

Country Link
US (1) US6185043B1 (ja)
JP (1) JP4149021B2 (ja)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621958B1 (en) * 2000-06-02 2003-09-16 Confluent Photonics Corporation Athermalization and pressure desensitization of diffraction grating based WDM devices
US6741408B2 (en) 2000-06-15 2004-05-25 Confluent Photonics Corporation Thermally stable mounting for a diffraction grating device
JP3893533B2 (ja) * 2001-02-09 2007-03-14 株式会社日立製作所 液晶表示装置
US7236217B2 (en) * 2003-01-16 2007-06-26 3M Innovative Properties Company Package of optical films with zero-gap bond outside viewing area
DE10301941B4 (de) * 2003-01-20 2005-11-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kamera und Verfahren zur optischen Aufnahme eines Schirms
WO2004113971A1 (ja) * 2003-06-19 2004-12-29 Nikon Corporation 光学素子
US7413336B2 (en) * 2003-08-29 2008-08-19 3M Innovative Properties Company Adhesive stacking for multiple optical films
SG112034A1 (en) 2003-11-06 2005-06-29 Asml Netherlands Bv Optical element, lithographic apparatus comprising such optical element and device manufacturing method
US7147358B2 (en) * 2003-12-31 2006-12-12 3M Innovative Properties Company Cover removal tab for optical products
JP4369256B2 (ja) * 2004-01-22 2009-11-18 日本板硝子株式会社 分光光学素子
US20050238852A1 (en) * 2004-04-23 2005-10-27 Naoki Nakayama Optical products for displays
US7339635B2 (en) * 2005-01-14 2008-03-04 3M Innovative Properties Company Pre-stacked optical films with adhesive layer
RU2388614C2 (ru) * 2005-06-30 2010-05-10 Конинклейке Филипс Электроникс Н.В. Способ получения на предмете украшения
US7777832B2 (en) * 2005-11-18 2010-08-17 3M Innovative Properties Company Multi-function enhancement film
WO2009093228A2 (en) * 2008-01-21 2009-07-30 Prime Sense Ltd. Optical designs for zero order reduction
JP2010271590A (ja) * 2009-05-22 2010-12-02 Fujifilm Corp 回折光学素子を用いた光学系および装置
JP5059079B2 (ja) 2009-10-21 2012-10-24 キヤノン株式会社 積層型回折光学素子および光学系
JP5584488B2 (ja) * 2010-02-16 2014-09-03 株式会社相馬光学 走査型回折格子分光器
JPWO2013121554A1 (ja) * 2012-02-16 2015-05-11 株式会社島津製作所 回折格子
US9030742B2 (en) * 2013-05-10 2015-05-12 Optometrics Corporation Combination optical filter and diffraction grating and associated systems and methods
TWI547717B (zh) * 2015-05-13 2016-09-01 華邦電子股份有限公司 頭戴式顯示裝置
DE102016212361A1 (de) * 2016-07-06 2018-01-11 Carl Zeiss Smt Gmbh Optisches Gitter und optische Anordnung damit
CN110352376A (zh) * 2016-12-15 2019-10-18 株式会社Ntt都科摩 应用傅立叶光学方法消除衍射光学元件的鬼影现象
FI3929002T3 (fi) * 2018-01-09 2023-09-13 Toppan Printing Co Ltd Laminaatti, todennus ja menetelmä laminaatin tuottamiseksi
WO2019205149A1 (zh) * 2018-04-28 2019-10-31 深圳市大疆创新科技有限公司 距离探测装置
TWI785222B (zh) * 2019-03-26 2022-12-01 微采視像科技股份有限公司 光學元件及顯示裝置
US20230064097A1 (en) * 2021-08-26 2023-03-02 Meta Platforms Technologies, Llc Diffractive optical element (doe) on an imaging sensor to reduce and minimize flare

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248001A (ja) * 1985-04-26 1986-11-05 Toshiba Corp グレ−デイングレンズ
JPH0816721B2 (ja) * 1987-03-26 1996-02-21 株式会社クラレ 透過型位相格子又はレンズ及びそれらの製法
JP2550651B2 (ja) * 1988-03-28 1996-11-06 株式会社島津製作所 ダブルモノクロメータ
JP3035851B2 (ja) * 1988-08-02 2000-04-24 オムロン株式会社 光学装置
JPH0243503A (ja) * 1988-08-03 1990-02-14 Omron Tateisi Electron Co 複合光学素子
US5114513A (en) * 1988-10-27 1992-05-19 Omron Tateisi Electronics Co. Optical device and manufacturing method thereof
JPH06194571A (ja) * 1992-12-25 1994-07-15 Olympus Optical Co Ltd 内視鏡対物レンズ
JP3476897B2 (ja) * 1994-03-29 2003-12-10 オリンパス株式会社 焦点検出光学系
JPH08114770A (ja) * 1994-08-26 1996-05-07 Omron Corp 光学的ローパスフィルタおよびそれを利用したドットマトリクス表示装置
US5847877A (en) * 1994-09-12 1998-12-08 Olympus Optical Co., Ltd. Diffractive optical element
JPH08220482A (ja) * 1994-12-13 1996-08-30 Olympus Optical Co Ltd 回折光学素子を含む光学系
JPH08304741A (ja) * 1995-05-09 1996-11-22 Olympus Optical Co Ltd 回折光学素子を含む光学系
JP4012592B2 (ja) * 1996-12-11 2007-11-21 オリンパス株式会社 撮像装置

Similar Documents

Publication Publication Date Title
JPH11202111A5 (ja)
RU2004122474A (ru) Дифракционный элемент защиты
US5009484A (en) Diffraction gratings having high efficiencies
EP1367415A3 (en) Hologram color filter, and its fabrication method
RU2237932C2 (ru) Световая панель
EP3495856B1 (en) Optical element
WO2002008800A3 (en) Coupling elements for surface plasmon resonance sensors
US4403827A (en) Process for producing a diffraction grating
JPH1184118A5 (ja)
EP0744599A3 (en) Optical spectrometer for detecting spectra in seperate ranges
JPH10221605A5 (ja)
WO2002057814A3 (en) Diffraction grating-based wavelength selection unit
EP0840183A3 (en) Process for making holograms and holography device
CA2403588A1 (en) Surface pattern
JP2005513207A5 (ja)
WO2003025628A3 (en) Enhance thermal stability through optical segmentation
JP2005115176A (ja) 分光素子、回折格子、複合回折格子、カラー表示装置、分波器、および回折格子の製造方法
CA2241018A1 (en) Chirped optical fibre grating
WO2000072231A3 (en) Wedged-shape holographic collector
EP1006400A3 (en) Optical device and fresnel lens sheet
CA2138436A1 (en) Optical Pickup
PT919961E (pt) Elemento de seguranca para documentos e processo para a sua fabricacao
EP0430911B1 (en) Optical coupling device
WO2001023957A3 (en) A translucent screen comprising a lens system and method for its manufacture
EP1014150A3 (en) Diffractive optical element and photographic optical system having the same