AU2002341140A1 - Tuneable filter - Google Patents

Tuneable filter

Info

Publication number
AU2002341140A1
AU2002341140A1 AU2002341140A AU2002341140A AU2002341140A1 AU 2002341140 A1 AU2002341140 A1 AU 2002341140A1 AU 2002341140 A AU2002341140 A AU 2002341140A AU 2002341140 A AU2002341140 A AU 2002341140A AU 2002341140 A1 AU2002341140 A1 AU 2002341140A1
Authority
AU
Australia
Prior art keywords
tuneable filter
tuneable
filter
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.)
Abandoned
Application number
AU2002341140A
Inventor
Gilbert William Smith
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.)
Qinetiq Ltd
Original Assignee
Qinetiq 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 Qinetiq Ltd filed Critical Qinetiq Ltd
Publication of AU2002341140A1 publication Critical patent/AU2002341140A1/en
Abandoned legal-status Critical Current

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
    • G02B5/284—Interference filters of etalon type comprising a resonant cavity other than a thin solid film, e.g. gas, air, solid plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/001—Optical devices or arrangements for the control of light using movable or deformable optical elements based on interference in an adjustable optical cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
AU2002341140A 2001-10-30 2002-10-23 Tuneable filter Abandoned AU2002341140A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0125996.9 2001-10-30
GB0125996A GB0125996D0 (en) 2001-10-30 2001-10-30 Tunable filter
PCT/GB2002/004831 WO2003038482A2 (en) 2001-10-30 2002-10-23 Tuneable filter

Publications (1)

Publication Number Publication Date
AU2002341140A1 true AU2002341140A1 (en) 2003-05-12

Family

ID=9924766

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002341140A Abandoned AU2002341140A1 (en) 2001-10-30 2002-10-23 Tuneable filter

Country Status (3)

Country Link
AU (1) AU2002341140A1 (en)
GB (1) GB0125996D0 (en)
WO (1) WO2003038482A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5531832B2 (en) * 2010-07-06 2014-06-25 セイコーエプソン株式会社 Optical filter, optical filter module, spectrophotometer and optical instrument
CN112162261A (en) * 2020-09-28 2021-01-01 维沃移动通信有限公司 Optical signal receiving apparatus, method, electronic device, and readable storage medium
CN114500894A (en) * 2020-10-27 2022-05-13 三星电子株式会社 Spectral filter, image sensor including the spectral filter, and electronic device
CN114384636B (en) * 2022-01-21 2023-09-01 广东安捷康光通科技有限公司 Manufacturing method of miniature FP (Fabry-Perot) cavity narrow-band filter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69202993T2 (en) * 1991-02-04 1995-12-07 Nippon Telegraph & Telephone Electrically controllable, wavelength-selective filter.
JP2678182B2 (en) * 1991-07-15 1997-11-17 日本電信電話株式会社 Tunable wavelength filter
JP2925064B2 (en) * 1993-12-02 1999-07-26 矢崎総業株式会社 Tunable wavelength filter
GB9608636D0 (en) * 1996-04-25 1996-07-03 Secr Defence A tuneable filter
US6545739B1 (en) * 1997-09-19 2003-04-08 Nippon Telegraph And Telephone Corporation Tunable wavelength filter using nano-sized droplets of liquid crystal dispersed in a polymer
GB2359636B (en) * 2000-02-22 2002-05-01 Marconi Comm Ltd Wavelength selective optical filter
US6954253B2 (en) * 2000-07-25 2005-10-11 Scientific Solutions, Inc. Optical multiplexer and cross-switch using etched liquid crystal fabry-perot etalons

Also Published As

Publication number Publication date
WO2003038482A2 (en) 2003-05-08
GB0125996D0 (en) 2001-12-19
WO2003038482A3 (en) 2003-08-14

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase