GB8427448D0 - Optical attenuator - Google Patents

Optical attenuator

Info

Publication number
GB8427448D0
GB8427448D0 GB848427448A GB8427448A GB8427448D0 GB 8427448 D0 GB8427448 D0 GB 8427448D0 GB 848427448 A GB848427448 A GB 848427448A GB 8427448 A GB8427448 A GB 8427448A GB 8427448 D0 GB8427448 D0 GB 8427448D0
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.)
Withdrawn
Application number
GB848427448A
Other versions
GB2166257A (en
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 to GB838328575A priority Critical patent/GB8328575D0/en
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08427448A priority patent/GB2166257A/en
Publication of GB8427448D0 publication Critical patent/GB8427448D0/en
Publication of GB2166257A publication Critical patent/GB2166257A/en
Withdrawn legal-status Critical Current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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • 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
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4457—Bobbins; Reels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
GB08427448A 1983-10-26 1984-10-30 Optical attenuator Withdrawn GB2166257A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB838328575A GB8328575D0 (en) 1983-10-26 1983-10-26 Optical fibre attenuator
GB08427448A GB2166257A (en) 1983-10-26 1984-10-30 Optical attenuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838328575A GB8328575D0 (en) 1983-10-26 1983-10-26 Optical fibre attenuator
GB08427448A GB2166257A (en) 1983-10-26 1984-10-30 Optical attenuator

Publications (2)

Publication Number Publication Date
GB8427448D0 true GB8427448D0 (en) 1984-12-05
GB2166257A GB2166257A (en) 1986-04-30

Family

ID=26286937

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838328575A Pending GB8328575D0 (en) 1983-10-26 1983-10-26 Optical fibre attenuator
GB08427448A Withdrawn GB2166257A (en) 1983-10-26 1984-10-30 Optical attenuator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838328575A Pending GB8328575D0 (en) 1983-10-26 1983-10-26 Optical fibre attenuator

Country Status (1)

Country Link
GB (2) GB8328575D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643525A1 (en) * 1986-12-19 1988-06-30 Philips Patentverwaltung METHOD AND DEVICE FOR MEASURING THE ADDITIONAL DAMPING RESULTING FROM CURVES IN A FOC
GB8713081D0 (en) * 1987-06-04 1987-07-08 Pirelli General Plc Optical fibre attenuators
US4934787A (en) * 1988-08-02 1990-06-19 Mitsubishi Rayon Co., Ltd. Mode scrambler
GB2221999B (en) * 1988-08-16 1992-09-16 Plessey Co Plc Optical phase modulator
GB2261524A (en) * 1991-11-07 1993-05-19 Itt Ind Ltd Optical fibre connecting system
US5892615A (en) 1997-03-17 1999-04-06 Sdl, Inc. Output power enhancement in optical fiber lasers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488253A (en) * 1974-12-19 1977-10-12 Davies D Telecommunication system
GB1588012A (en) * 1977-07-13 1981-04-15 Plessey Co Ltd Optical fibre sensing device
GB2113417A (en) * 1982-01-14 1983-08-03 Standard Telephones Cables Ltd Acousto-optical fibre transducer

Also Published As

Publication number Publication date
GB8328575D0 (en) 1983-11-30
GB2166257A (en) 1986-04-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)