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
Other languages
English (en)
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
Priority claimed from CN201910486854.8A external-priority patent/CN110109208B/zh
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Optical Filters (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Laminated Bodies (AREA)
  • Inorganic Chemistry (AREA)
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 CN110109208B (zh) 2019-06-05 近红外带通滤光片及光学传感系统
PCT/CN2019/130575 WO2020244221A1 (zh) 2019-06-05 2019-12-31 近红外带通滤光片及光学传感系统

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 (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11650361B2 (en) * 2018-12-27 2023-05-16 Viavi Solutions Inc. Optical filter
TWI829562B (zh) * 2023-03-21 2024-01-11 澤米科技股份有限公司 雙通帶濾光元件

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2724563B2 (ja) * 1990-01-14 1998-03-09 株式会社堀場製作所 多層膜干渉フィルタ
JP3243474B2 (ja) * 1993-12-28 2002-01-07 光伸光学工業株式会社 多層膜バンドパスフィルタの製造方法及び波長シフト温度係数値が略ゼロの多層膜バンドパスフィルタ
JP3383942B2 (ja) * 1999-08-02 2003-03-10 Ｈｏｙａ株式会社 Ｗｄｍ光学フィルター用ガラス基板、ｗｄｍ光学フィルター、ｗｄｍ用光合分波器
JP2002022938A (ja) * 2000-07-10 2002-01-23 Sumitomo Osaka Cement Co Ltd 波長選択フィルタ及び波長制御モジュール
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 (ja) * 2003-04-15 2004-11-11 Alps Electric Co Ltd 多層膜光フィルタ及び光学部品
TWI648561B (zh) * 2012-07-16 2019-01-21 美商唯亞威方案公司 光學濾波器及感測器系統
GB2530099B (en) * 2014-09-15 2019-01-02 Schlumberger Holdings Temperature invariant infrared filter
JP2018022042A (ja) * 2016-08-03 2018-02-08 三菱マテリアル株式会社 赤外線フィルター、Ｚｎ−Ｓｎ含有酸化物膜およびＺｎ−Ｓｎ含有酸化物スパッタリングターゲット
CN107841712B (zh) * 2017-11-01 2018-10-30 浙江水晶光电科技股份有限公司 高折射率氢化硅薄膜的制备方法、高折射率氢化硅薄膜、滤光叠层和滤光片
CN108761614A (zh) * 2018-08-06 2018-11-06 信阳舜宇光学有限公司 滤光片及包含该滤光片的红外图像传感系统
CN108873135A (zh) * 2018-08-06 2018-11-23 信阳舜宇光学有限公司 一种近红外窄带滤光片及红外成像系统
CN208596240U (zh) * 2018-08-06 2019-03-12 信阳舜宇光学有限公司 一种近红外窄带滤光片及红外成像系统
CN109655954B (zh) * 2019-03-05 2024-04-16 浙江水晶光电科技股份有限公司 滤光片及其制备方法、指纹识别模组及电子设备

Also Published As

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

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