GB2192070B - Optical attenuator - Google Patents

Optical attenuator

Info

Publication number
GB2192070B
GB2192070B GB8710699A GB8710699A GB2192070B GB 2192070 B GB2192070 B GB 2192070B GB 8710699 A GB8710699 A GB 8710699A GB 8710699 A GB8710699 A GB 8710699A GB 2192070 B GB2192070 B GB 2192070B
Authority
GB
United Kingdom
Prior art keywords
optical attenuator
attenuator
optical
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
GB8710699A
Other versions
GB8710699D0 (en
GB2192070A (en
Inventor
Jacqeline Staromlynska
Alan Miller
Kathleen Fiona Dexter
Robert Arthur Clay
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for 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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8710699D0 publication Critical patent/GB8710699D0/en
Publication of GB2192070A publication Critical patent/GB2192070A/en
Application granted granted Critical
Publication of GB2192070B publication Critical patent/GB2192070B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/19—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/195—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169 by using frustrated reflection
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
GB8710699A 1986-06-27 1987-05-06 Optical attenuator Expired - Lifetime GB2192070B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868615769A GB8615769D0 (en) 1986-06-27 1986-06-27 Optical attenuator

Publications (3)

Publication Number Publication Date
GB8710699D0 GB8710699D0 (en) 1987-06-10
GB2192070A GB2192070A (en) 1987-12-31
GB2192070B true GB2192070B (en) 1990-03-14

Family

ID=10600218

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868615769A Pending GB8615769D0 (en) 1986-06-27 1986-06-27 Optical attenuator
GB8710699A Expired - Lifetime GB2192070B (en) 1986-06-27 1987-05-06 Optical attenuator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868615769A Pending GB8615769D0 (en) 1986-06-27 1986-06-27 Optical attenuator

Country Status (1)

Country Link
GB (2) GB8615769D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK181191D0 (en) * 1991-11-04 1991-11-04 Novo Nordisk As APPARATUS
US5319733A (en) * 1992-01-02 1994-06-07 Adc Telecommunications, Inc. Variable fiber optical attenuator
WO1993013437A1 (en) * 1992-01-02 1993-07-08 Adc Telecommunications, Inc. Overlapping fusion attenuator
DE4424628B4 (en) * 1994-07-13 2005-11-17 Lau, Matthias, Dipl.-Ing. Method and arrangement for measuring the refractive index of different media
DE10222049A1 (en) * 2002-05-17 2003-12-18 Zeiss Carl Laser Optics Gmbh Method and device for variable attenuation of the intensity of a light beam
EP1411383A1 (en) * 2002-10-14 2004-04-21 Agilent Technologies, Inc. - a Delaware corporation - Surface plasmon resonance optical notch filter apparatus and method therefor
CN111045156B (en) * 2019-12-26 2020-10-09 华中科技大学 Multimode optical fiber attenuator

Also Published As

Publication number Publication date
GB8710699D0 (en) 1987-06-10
GB8615769D0 (en) 1986-08-06
GB2192070A (en) 1987-12-31

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040506