DE69227875D1 - Wellenlängenselektives Phasengitter als optischer Tiefpassfilter - Google Patents

Wellenlängenselektives Phasengitter als optischer Tiefpassfilter

Info

Publication number
DE69227875D1
DE69227875D1 DE69227875T DE69227875T DE69227875D1 DE 69227875 D1 DE69227875 D1 DE 69227875D1 DE 69227875 T DE69227875 T DE 69227875T DE 69227875 T DE69227875 T DE 69227875T DE 69227875 D1 DE69227875 D1 DE 69227875D1
Authority
DE
Germany
Prior art keywords
pass filter
low pass
wavelength selective
phase grating
optical low
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.)
Expired - Fee Related
Application number
DE69227875T
Other languages
English (en)
Other versions
DE69227875T2 (de
Inventor
Hiroaki Okayama
Shusuke Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69227875D1 publication Critical patent/DE69227875D1/de
Application granted granted Critical
Publication of DE69227875T2 publication Critical patent/DE69227875T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
    • H04N25/615—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4" involving a transfer function modelling the optical system, e.g. optical transfer function [OTF], phase transfer function [PhTF] or modulation transfer function [MTF]
    • H04N25/6153—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4" involving a transfer function modelling the optical system, e.g. optical transfer function [OTF], phase transfer function [PhTF] or modulation transfer function [MTF] for colour signals
DE69227875T 1991-09-10 1992-09-08 Wellenlängenselektives Phasengitter als optischer Tiefpassfilter Expired - Fee Related DE69227875T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3230156A JP2861525B2 (ja) 1991-09-10 1991-09-10 波長選択性位相格子光学的ローパスフィルタ

Publications (2)

Publication Number Publication Date
DE69227875D1 true DE69227875D1 (de) 1999-01-28
DE69227875T2 DE69227875T2 (de) 1999-08-12

Family

ID=16903477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227875T Expired - Fee Related DE69227875T2 (de) 1991-09-10 1992-09-08 Wellenlängenselektives Phasengitter als optischer Tiefpassfilter

Country Status (4)

Country Link
US (1) US5237452A (de)
EP (1) EP0531926B1 (de)
JP (1) JP2861525B2 (de)
DE (1) DE69227875T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0659218A (ja) * 1992-08-05 1994-03-04 Matsushita Electric Ind Co Ltd 光学的ローパスフィルタ
JP3506144B2 (ja) * 1992-10-19 2004-03-15 ソニー株式会社 画像表示装置及び表示デバイス用光学フィルタ
GB2278750A (en) * 1993-06-02 1994-12-07 Motion Media Techn Ltd Optical spatial filtering with electronic image compression
DE4334525A1 (de) * 1993-10-09 1995-04-13 Deutsche Bundespost Telekom Optoelektronisches Bauelement mit verteilter Rückkopplung und variierbarem Kopplungskoeffizienten
JPH0821991A (ja) 1994-07-08 1996-01-23 Sony Corp 画像表示装置
JPH0875919A (ja) * 1994-09-07 1996-03-22 Kureha Chem Ind Co Ltd アクリル系樹脂製光学フィルター
US5847877A (en) * 1994-09-12 1998-12-08 Olympus Optical Co., Ltd. Diffractive optical element
US20020118457A1 (en) 2000-12-22 2002-08-29 Dowski Edward Raymond Wavefront coded imaging systems
US6911638B2 (en) 1995-02-03 2005-06-28 The Regents Of The University Of Colorado, A Body Corporate Wavefront coding zoom lens imaging systems
US7218448B1 (en) 1997-03-17 2007-05-15 The Regents Of The University Of Colorado Extended depth of field optical systems
US20020195548A1 (en) 2001-06-06 2002-12-26 Dowski Edward Raymond Wavefront coding interference contrast imaging systems
JP3407477B2 (ja) * 1995-06-08 2003-05-19 松下電器産業株式会社 位相格子とその作製方法並びに光学式エンコーダ
JPH09121363A (ja) * 1995-08-17 1997-05-06 Eastman Kodak Co エイリアシングを防止するための波長選択性を有する位相型低域通過光学フィルタおよびその製造方法
WO1998025167A1 (fr) * 1996-12-03 1998-06-11 Kureha Kagaku Kogyo Kabushiki Kaisha Reseau de phase et procede de fabrication
US6356379B1 (en) 1998-12-07 2002-03-12 Florida Atlantic University Adjustable opto-acoustical low pass filter and technique
KR100390875B1 (ko) * 1999-10-27 2003-07-10 (주)해빛정보 위상 회절 격자형 광 저대역 통과필터
US6536898B1 (en) 2000-09-15 2003-03-25 The Regents Of The University Of Colorado Extended depth of field optics for human vision
US6873733B2 (en) 2001-01-19 2005-03-29 The Regents Of The University Of Colorado Combined wavefront coding and amplitude contrast imaging systems
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
JP4749332B2 (ja) 2003-05-30 2011-08-17 オムニビジョン テクノロジーズ， インコーポレイテッド 拡大された焦点深度を有するリソグラフィックシステムおよび方法
JP5572954B2 (ja) * 2009-01-26 2014-08-20 株式会社リコー 撮像素子及び該撮像素子を備えた画像撮像装置
FR2959903B1 (fr) 2010-05-04 2012-07-27 Astrium Sas Procede d'imagerie polychrome
WO2012086600A1 (ja) * 2010-12-24 2012-06-28 旭硝子株式会社 回折光学素子および光ヘッド装置
US9220462B2 (en) * 2013-05-24 2015-12-29 Toshiba America Electronic Components, Inc. Imaging sensor and method for biometric mapping of facial skin
WO2016154445A1 (en) 2015-03-24 2016-09-29 University Of Utah Research Foundation Imaging device with image dispersing to create a spatially coded image
CN111263028B (zh) * 2018-11-30 2022-10-18 中芯集成电路（宁波）有限公司 摄像组件及其封装方法、镜头模组、电子设备
CN111090138A (zh) * 2019-10-28 2020-05-01 西北工业大学深圳研究院 用于400-1000nm波段的单层梯形光栅结构及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4853741A (de) * 1971-10-08 1973-07-28
JPS5222209B2 (de) * 1972-06-23 1977-06-16
US4093346A (en) * 1973-07-13 1978-06-06 Minolta Camera Kabushiki Kaisha Optical low pass filter
JPS53119063A (en) * 1977-03-26 1978-10-18 Minolta Camera Co Ltd Optical low pass filter
JPS61149923A (ja) * 1984-12-25 1986-07-08 Sony Corp 位相型光学的ロ−パスフイルタ
JPH0833527B2 (ja) * 1988-07-18 1996-03-29 キヤノン株式会社 光学的ローパスフィルターを有した撮影系
JP2800364B2 (ja) * 1990-04-27 1998-09-21 松下電器産業株式会社 光学的ローパスフィルタ

Also Published As

Publication number Publication date
JP2861525B2 (ja) 1999-02-24
EP0531926A1 (de) 1993-03-17
EP0531926B1 (de) 1998-12-16
DE69227875T2 (de) 1999-08-12
US5237452A (en) 1993-08-17
JPH0566370A (ja) 1993-03-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee