SG11202111605UA - Near-infrared bandpass filter and optical sensing system - Google Patents

Near-infrared bandpass filter and optical sensing system

Info

Publication number
SG11202111605UA
SG11202111605UA SG11202111605UA SG11202111605UA SG11202111605UA SG 11202111605U A SG11202111605U A SG 11202111605UA SG 11202111605U A SG11202111605U A SG 11202111605UA SG 11202111605U A SG11202111605U A SG 11202111605UA SG 11202111605U A SG11202111605U A SG 11202111605UA
Authority
SG
Singapore
Prior art keywords
bandpass filter
sensing system
optical sensing
infrared bandpass
infrared
Prior art date
Application number
SG11202111605UA
Inventor
Ce Chen
Weihong Ding
Huiguang Chen
Yeqing Fang
Niangong Xiao
Original Assignee
Xin Yang Sunny Optics 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 Xin Yang Sunny Optics Co Ltd filed Critical Xin Yang Sunny Optics Co Ltd
Publication of SG11202111605UA publication Critical patent/SG11202111605UA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/10—Glass or silica
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/288—Interference filters comprising deposited thin solid films comprising at least one thin film resonant cavity, e.g. in bandpass filters
SG11202111605UA 2019-06-05 2019-12-31 Near-infrared bandpass filter and optical sensing system SG11202111605UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910486854.8A CN110109208A (en) 2019-06-05 2019-06-05 Near-infrared bandpass filter and optical sensor system
PCT/CN2019/130575 WO2020244221A1 (en) 2019-06-05 2019-12-31 Near-infrared bandpass filter and optical sensing system

Publications (1)

Publication Number Publication Date
SG11202111605UA true SG11202111605UA (en) 2021-11-29

Family

ID=67494119

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111605UA SG11202111605UA (en) 2019-06-05 2019-12-31 Near-infrared bandpass filter and optical sensing system

Country Status (7)

Country Link
US (1) US20220120950A1 (en)
EP (1) EP3982169A4 (en)
JP (1) JP7299346B2 (en)
KR (1) KR20220002320A (en)
CN (1) CN110109208A (en)
SG (1) SG11202111605UA (en)
WO (1) WO2020244221A1 (en)

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US11650361B2 (en) * 2018-12-27 2023-05-16 Viavi Solutions Inc. Optical filter
CN110109208A (en) * 2019-06-05 2019-08-09 信阳舜宇光学有限公司 Near-infrared bandpass filter and optical sensor system
CN112444898B (en) * 2019-08-30 2023-06-16 福州高意光学有限公司 Optical filter for wide-angle application
CN112578494A (en) * 2019-09-30 2021-03-30 福州高意光学有限公司 Tunable optical filter
CN111638572B (en) * 2019-11-29 2021-03-05 苏州京浜光电科技股份有限公司 3D structured light 940nm narrow-band filter and preparation method thereof
WO2022036511A1 (en) * 2020-08-17 2022-02-24 深圳市汇顶科技股份有限公司 Infrared bandpass optical filter and sensor system
TWI829562B (en) * 2023-03-21 2024-01-11 澤米科技股份有限公司 Dual-passband optical filter

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JP2724563B2 (en) * 1990-01-14 1998-03-09 株式会社堀場製作所 Multilayer interference filter
JP3243474B2 (en) * 1993-12-28 2002-01-07 光伸光学工業株式会社 Method for manufacturing multilayer bandpass filter and multilayer bandpass filter having substantially zero wavelength shift temperature coefficient
JP3383942B2 (en) 1999-08-02 2003-03-10 Ｈｏｙａ株式会社 Glass substrate for WDM optical filter, WDM optical filter, optical multiplexer / demultiplexer for WDM
JP2002022938A (en) * 2000-07-10 2002-01-23 Sumitomo Osaka Cement Co Ltd Wavelength selective filter and wavelength controlling module
JP4033286B2 (en) * 2001-03-19 2008-01-16 日本板硝子株式会社 High refractive index dielectric film and manufacturing method thereof
US6572975B2 (en) * 2001-08-24 2003-06-03 General Electric Company Optically coated article and method for its preparation
US7052733B2 (en) * 2002-01-10 2006-05-30 Hon Hai Precision Ind. Co., Ltd. Method for making thin film filter having a negative temperature drift coefficient
JP2004317701A (en) * 2003-04-15 2004-11-11 Alps Electric Co Ltd Multilayer film optical filter and optical component
TWI684031B (en) * 2012-07-16 2020-02-01 美商唯亞威方案公司 Optical filter and sensor system
GB2530099B (en) * 2014-09-15 2019-01-02 Schlumberger Holdings Temperature invariant infrared filter
JP6606859B2 (en) * 2015-05-13 2019-11-20 Ａｇｃ株式会社 Near-infrared cut filter
JP2018022042A (en) 2016-08-03 2018-02-08 三菱マテリアル株式会社 Infrared filter, Zn-Sn containing oxide film and Zn-Sn containing oxide sputtering target
CN107841712B (en) * 2017-11-01 2018-10-30 浙江水晶光电科技股份有限公司 Preparation method, high refractive index hydrogenated silicon film by utilizing, optical filtering lamination and the optical filter of high refractive index hydrogenated silicon film by utilizing
CN108761614A (en) * 2018-08-06 2018-11-06 信阳舜宇光学有限公司 Optical filter and infrared image sensing system comprising the optical filter
CN108873135A (en) * 2018-08-06 2018-11-23 信阳舜宇光学有限公司 A kind of near-infrared narrow band filter and infrared imaging system
CN208596240U (en) * 2018-08-06 2019-03-12 信阳舜宇光学有限公司 A kind of near-infrared narrow band filter and infrared imaging system
CN109655954B (en) * 2019-03-05 2024-04-16 浙江水晶光电科技股份有限公司 Optical filter, preparation method thereof, fingerprint identification module and electronic equipment
CN210954392U (en) * 2019-06-05 2020-07-07 信阳舜宇光学有限公司 Near-infrared band-pass filter and optical sensing system
CN110109208A (en) * 2019-06-05 2019-08-09 信阳舜宇光学有限公司 Near-infrared bandpass filter and optical sensor system

Also Published As

Publication number Publication date
US20220120950A1 (en) 2022-04-21
EP3982169A4 (en) 2022-12-14
CN110109208A (en) 2019-08-09
JP2022531156A (en) 2022-07-06
EP3982169A1 (en) 2022-04-13
JP7299346B2 (en) 2023-06-27
WO2020244221A1 (en) 2020-12-10
KR20220002320A (en) 2022-01-06

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