ES2049412T3 - Un aparato de sintonizacion de filtro optico y un metodo de filtracion optica. - Google Patents

Un aparato de sintonizacion de filtro optico y un metodo de filtracion optica.

Info

Publication number
ES2049412T3
ES2049412T3 ES90300386T ES90300386T ES2049412T3 ES 2049412 T3 ES2049412 T3 ES 2049412T3 ES 90300386 T ES90300386 T ES 90300386T ES 90300386 T ES90300386 T ES 90300386T ES 2049412 T3 ES2049412 T3 ES 2049412T3
Authority
ES
Spain
Prior art keywords
optical
filter
filtration method
tuning device
light
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 - Lifetime
Application number
ES90300386T
Other languages
English (en)
Inventor
Keith Robert Preston
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of ES2049412T3 publication Critical patent/ES2049412T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Surgical Instruments (AREA)
  • Microscoopes, Condenser (AREA)
  • Glass Compositions (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Communication System (AREA)
  • Prostheses (AREA)

Abstract

UN APARATO PARA SINTONIZAR POR FILTRO OPTICO Y UN METODO DE FILTRADO OPTICO QUE UTILIZA UN FILTRO OPTICO (8) QUE REFLEJA LA LUZ DE UNA PRDETERMINADA LONGITUD DE ONDA QUE DEPENDE DE LA POSICION DE INCIDENCIA (16) DE LA LUZ SOBRE EL FILTRO (8), Y UN RETROREFLECTOR (32) MOVIBLE CON RESPECTO AL FILTRO (8) Y QUE REFLEJA LA LUZ DESDE UNA FUENTE OPTICA (4) A UNA POSICION DE INCIDENCIA (16) Y REFLEJA LA LUZ DE LA PREDETERMINADA LONGITUD DE ONDA DESDE EL FILTRO (8) A UN RECEPTOR OPTICO (6).
ES90300386T 1989-01-13 1990-01-12 Un aparato de sintonizacion de filtro optico y un metodo de filtracion optica. Expired - Lifetime ES2049412T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898900730A GB8900730D0 (en) 1989-01-13 1989-01-13 An optical filter tuning apparatus and an optical filtering method

Publications (1)

Publication Number Publication Date
ES2049412T3 true ES2049412T3 (es) 1994-04-16

Family

ID=10649973

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90300386T Expired - Lifetime ES2049412T3 (es) 1989-01-13 1990-01-12 Un aparato de sintonizacion de filtro optico y un metodo de filtracion optica.

Country Status (13)

Country Link
US (1) US5193027A (es)
EP (1) EP0378442B1 (es)
JP (1) JP2801394B2 (es)
KR (1) KR970003765B1 (es)
AT (1) ATE101925T1 (es)
AU (1) AU621985B2 (es)
CA (1) CA2047710C (es)
DE (1) DE69006748T2 (es)
ES (1) ES2049412T3 (es)
GB (1) GB8900730D0 (es)
HK (1) HK136396A (es)
IE (1) IE900130L (es)
WO (1) WO1990008335A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6362904B1 (en) 2000-09-01 2002-03-26 Robert H. Cormack Tunable optical filter with retained complementary output
US6587608B2 (en) 2000-11-14 2003-07-01 Chameleon Optics, Inc. Reconfigurable, all optical add/drop nodes using non-interrupting switching apparatus and methods
WO2002086596A1 (en) 2001-04-20 2002-10-31 Cormack Robert H Polarization insensitive tunable optical filters
US6795654B2 (en) 2001-09-18 2004-09-21 Robert H. Cormack Tunable add/drop filter
US7894692B2 (en) * 2009-05-19 2011-02-22 Ipg Photonics Corporation Method and device for suppressing high-order modes in MM fibers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569569A (en) * 1982-03-31 1986-02-11 Plessey Overseas Limited Optical coupling devices
US4669811A (en) * 1983-11-17 1987-06-02 Pilkington P.E. Limited Optical filtering apparatus
US4671603A (en) * 1983-11-17 1987-06-09 Pilkington P.E. Limited Optical filters and multiplexing-demultiplexing devices using the same
DE69131383T2 (de) * 1990-02-20 2000-01-20 British Telecommunications P.L.C., London Durchstimmbare optische filter
US5039201A (en) * 1990-04-30 1991-08-13 International Business Machines Corporation Double-pass tunable fabry-perot optical filter

Also Published As

Publication number Publication date
AU4969190A (en) 1990-08-13
DE69006748D1 (de) 1994-03-31
HK136396A (en) 1996-08-02
ATE101925T1 (de) 1994-03-15
AU621985B2 (en) 1992-03-26
CA2047710C (en) 1997-12-09
JPH04504176A (ja) 1992-07-23
US5193027A (en) 1993-03-09
GB8900730D0 (en) 1989-03-08
EP0378442A1 (en) 1990-07-18
EP0378442B1 (en) 1994-02-23
CA2047710A1 (en) 1990-07-14
KR910700475A (ko) 1991-03-15
DE69006748T2 (de) 1994-05-26
IE900130L (en) 1990-07-13
JP2801394B2 (ja) 1998-09-21
KR970003765B1 (ko) 1997-03-21
WO1990008335A1 (en) 1990-07-26

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