TW455703B - Optical filters - Google Patents

Optical filters Download PDF

Info

Publication number
TW455703B
TW455703B TW089102047A TW89102047A TW455703B TW 455703 B TW455703 B TW 455703B TW 089102047 A TW089102047 A TW 089102047A TW 89102047 A TW89102047 A TW 89102047A TW 455703 B TW455703 B TW 455703B
Authority
TW
Taiwan
Prior art keywords
filter
patent application
scope
transmittance
filter mechanism
Prior art date
Application number
TW089102047A
Other languages
English (en)
Chinese (zh)
Inventor
Keith Loder Lewis
Original Assignee
Secr Defence
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 Secr Defence filed Critical Secr Defence
Application granted granted Critical
Publication of TW455703B publication Critical patent/TW455703B/zh

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
    • G02B5/288—Interference filters comprising deposited thin solid films comprising at least one thin film resonant cavity, e.g. in bandpass filters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Eyeglasses (AREA)
TW089102047A 1999-01-29 2000-02-08 Optical filters TW455703B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9901858.2A GB9901858D0 (en) 1999-01-29 1999-01-29 Optical filters

Publications (1)

Publication Number Publication Date
TW455703B true TW455703B (en) 2001-09-21

Family

ID=10846636

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089102047A TW455703B (en) 1999-01-29 2000-02-08 Optical filters

Country Status (9)

Country Link
US (1) US6631033B1 (enExample)
EP (1) EP1151328A1 (enExample)
JP (1) JP4484009B2 (enExample)
AU (1) AU768021B2 (enExample)
CA (1) CA2359666A1 (enExample)
GB (1) GB9901858D0 (enExample)
MX (1) MXPA01007543A (enExample)
TW (1) TW455703B (enExample)
WO (1) WO2000045201A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856463A (zh) * 2011-06-27 2013-01-02 隆达电子股份有限公司 半导体发光元件
TWI495908B (zh) * 2013-06-24 2015-08-11 Apogee Optocom Co Ltd 濾光片之製造方法
CN108572409A (zh) * 2013-01-29 2018-09-25 唯亚威通讯技术有限公司 可变滤光器及基于此的波长选择传感器
CN109061786A (zh) * 2017-05-22 2018-12-21 唯亚威通讯技术有限公司 多光谱滤光器
US11670658B2 (en) 2015-12-29 2023-06-06 Viavi Solutions Inc. Metal mirror based multispectral filter array

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GB0029224D0 (en) * 2000-11-30 2001-01-17 Secr Defence Optical filters
GB0117096D0 (en) * 2001-07-13 2001-09-05 Qinetiq Ltd Security label
US20030128432A1 (en) * 2001-09-21 2003-07-10 Cormack Robert H. Polarization independent thin film optical interference filters
US6947218B2 (en) * 2002-08-30 2005-09-20 Research Electro-Optics, Inc. Fabry-perot etalon with independently selectable resonance frequency and free spectral range
US6850366B2 (en) * 2002-10-09 2005-02-01 Jds Uniphase Corporation Multi-cavity optical filter
US7061946B2 (en) * 2002-11-13 2006-06-13 Intel Corporation Intra-cavity etalon with asymmetric power transfer function
US7023620B1 (en) 2003-07-03 2006-04-04 Research Electro-Optics, Inc. Beam array pitch controller
JP4590847B2 (ja) * 2003-09-05 2010-12-01 ソニー株式会社 スクリーン及びその製造方法
US6859323B1 (en) 2003-12-11 2005-02-22 Optical Coating Laboratory, Inc. Dichroic neutral density optical filter
JP4383194B2 (ja) * 2004-02-03 2009-12-16 古河電気工業株式会社 所定の波長光学特性を有する誘電体多層膜フィルタ、その設計方法、その設計プログラム、およびその誘電体多層膜フィルタを用いた光アド・ドロップシステム
JP4401880B2 (ja) * 2004-07-09 2010-01-20 光伸光学工業株式会社 多重バンドパスフィルタ
CN100371742C (zh) * 2004-08-10 2008-02-27 亚洲光学股份有限公司 具有四个信道的cwdm滤光片
CN1306288C (zh) * 2005-04-27 2007-03-21 中国科学院上海技术物理研究所 具有平整谐振腔层的滤光片列阵
TWI335997B (en) * 2005-07-01 2011-01-11 Hon Hai Prec Ind Co Ltd Optical filter
TWI344018B (en) * 2005-07-01 2011-06-21 Hon Hai Prec Ind Co Ltd Optical filter
US7961369B2 (en) * 2005-09-28 2011-06-14 Teledyne Licensing, Llc Large-angle agile laser beam steering apparatus and method
EP1967872A4 (en) * 2005-12-28 2009-08-05 Murata Manufacturing Co TERAHERTZ BAND OPTICAL FILTER, DESIGN METHOD THEREFOR, AND MANUFACTURING METHOD THEREOF
CN102681065A (zh) * 2006-04-12 2012-09-19 东洋制罐株式会社 结构体、结构体的形成方法、结构体形成装置
JP2008016799A (ja) * 2006-06-06 2008-01-24 Mitsubishi Electric Corp 半導体レーザ装置
CN101430425B (zh) * 2007-11-09 2010-04-14 鸿富锦精密工业（深圳）有限公司 分色镜及使用该分色镜的投影装置
US7916395B2 (en) * 2008-02-26 2011-03-29 Honeywell International Inc. Cavity ring-down spectroscopy mirror, and methods of using same
CN102906559B (zh) * 2010-05-27 2016-06-22 皇家飞利浦电子股份有限公司 用于使用光测量诸如胆红素的分析物的装置和方法
JPWO2013105374A1 (ja) * 2012-01-13 2015-05-11 コニカミノルタ株式会社 狭帯域バンドパスフィルター
TW202522039A (zh) 2012-07-16 2025-06-01 美商唯亞威方案公司 光學濾波器及感測器系統
JP6542511B2 (ja) * 2014-06-30 2019-07-10 Ａｇｃ株式会社 帯域透過フィルタ
TWI794145B (zh) 2015-10-28 2023-03-01 美商加州太平洋生物科學公司 包含整合性帶通濾波器之光學裝置陣列
US9960199B2 (en) * 2015-12-29 2018-05-01 Viavi Solutions Inc. Dielectric mirror based multispectral filter array
CN106199803B (zh) * 2016-07-25 2018-11-06 镇江爱豪科思电子科技有限公司 一种温度探测用宽带红外滤光片及其制备方法
CN106772751B (zh) * 2017-01-03 2022-11-25 杭州科汀光学技术有限公司 一种波长间距渐变的准梳状滤光片
US11137527B2 (en) * 2017-05-22 2021-10-05 Viavi Solutions Inc. Mixed spacer multispectral filter
US11143803B2 (en) * 2018-07-30 2021-10-12 Viavi Solutions Inc. Multispectral filter
KR102151947B1 (ko) * 2019-07-26 2020-09-04 송영진 광학필터 및 이를 포함하는 센서시스템, 그리고 광학필터용 할로겐화 비정질 실리콘 박막 제조방법
KR20210014491A (ko) * 2019-07-30 2021-02-09 삼성전자주식회사 광 필터 및 이를 포함하는 분광기
CN112226729B (zh) * 2020-09-29 2022-09-09 苏州众为光电有限公司 一种带通滤光片的制备方法
CN112526645B (zh) * 2020-12-03 2023-07-25 艾普偏光科技(厦门)有限公司 一种f-p法布里-珀罗技术可见光变色的镜片及眼镜镜片
CN113885116B (zh) * 2021-10-26 2024-04-26 苏州众为光电有限公司 一种非对称截止波长的带通滤光片

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US4169655A (en) * 1974-03-14 1979-10-02 Aga Aktiebolag Protective device for protection against radiation during welding
DD153511A3 (de) 1980-02-01 1982-01-13 Erich Dummernix Interferenzspiegel mit hoher reflexion fuer mehrere spektralbaender
JPS6038683B2 (ja) 1981-06-24 1985-09-02 キヤノン株式会社 トリミングフイルタ−
AT382624B (de) * 1984-11-28 1987-03-25 Oesterr Zuckerfab Evidenz Verfahren zur herstellung von neuen kohlenhydrat-estern der acetylsalicylsaeure
US4756602A (en) * 1987-06-05 1988-07-12 Rockwell International Corporation Narrowband optical filter with partitioned cavity
US4837061A (en) * 1987-08-10 1989-06-06 Alcan International Limited Tamper-evident structures
GB9409128D0 (en) 1994-05-09 1994-10-26 Secr Defence Anticounterfeit apparatus
US6018421A (en) 1995-06-28 2000-01-25 Cushing; David Henry Multilayer thin film bandpass filter
US5999322A (en) 1995-06-28 1999-12-07 Cushing; David Henry Multilayer thin film bandpass filter
US5926317A (en) * 1996-11-06 1999-07-20 Jds Fitel Inc. Multilayer thin film dielectric bandpass filter

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856463A (zh) * 2011-06-27 2013-01-02 隆达电子股份有限公司 半导体发光元件
CN108572409A (zh) * 2013-01-29 2018-09-25 唯亚威通讯技术有限公司 可变滤光器及基于此的波长选择传感器
US10756131B2 (en) 2013-01-29 2020-08-25 Viavi Solutions Inc. Variable optical filter and a wavelength-selective sensor based thereon
US12317620B2 (en) 2013-01-29 2025-05-27 Viavi Solutions Inc. Variable optical filter and a wavelength-selective sensor based thereon
TWI495908B (zh) * 2013-06-24 2015-08-11 Apogee Optocom Co Ltd 濾光片之製造方法
US11670658B2 (en) 2015-12-29 2023-06-06 Viavi Solutions Inc. Metal mirror based multispectral filter array
TWI835276B (zh) * 2015-12-29 2024-03-11 美商菲爾薇解析公司 基於金屬鏡的多光譜濾光片陣列
US12170300B2 (en) 2015-12-29 2024-12-17 Viavi Solutions Inc. Metal mirror based multispectral filter array of optical sensor device
CN109061786A (zh) * 2017-05-22 2018-12-21 唯亚威通讯技术有限公司 多光谱滤光器
CN109061786B (zh) * 2017-05-22 2021-11-26 唯亚威通讯技术有限公司 多光谱滤光器
US11880054B2 (en) 2017-05-22 2024-01-23 Viavi Solutions Inc. Multispectral filter

Also Published As

Publication number Publication date
EP1151328A1 (en) 2001-11-07
AU2303700A (en) 2000-08-18
JP2002535735A (ja) 2002-10-22
WO2000045201A1 (en) 2000-08-03
GB9901858D0 (en) 1999-03-17
AU768021B2 (en) 2003-11-27
CA2359666A1 (en) 2000-08-03
MXPA01007543A (es) 2003-06-24
JP4484009B2 (ja) 2010-06-16
US6631033B1 (en) 2003-10-07

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MM4A Annulment or lapse of patent due to non-payment of fees