GB8819466D0 - Improvements relating to optical fibres - Google Patents

Improvements relating to optical fibres

Info

Publication number
GB8819466D0
GB8819466D0 GB888819466A GB8819466A GB8819466D0 GB 8819466 D0 GB8819466 D0 GB 8819466D0 GB 888819466 A GB888819466 A GB 888819466A GB 8819466 A GB8819466 A GB 8819466A GB 8819466 D0 GB8819466 D0 GB 8819466D0
Authority
GB
United Kingdom
Prior art keywords
optical fibres
improvements relating
relating
fibres
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Withdrawn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
GB888819466A
Other versions
GB2210470A (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
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB8819466D0 publication Critical patent/GB8819466D0/en
Publication of GB2210470A publication Critical patent/GB2210470A/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Withdrawn legal-status Critical Current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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02142—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating based on illuminating or irradiating an amplitude mask, i.e. a mask having a repetitive intensity modulating pattern
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02147—Point by point fabrication, i.e. grating elements induced one step at a time along the fibre, e.g. by scanning a laser beam, arc discharge scanning
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
GB8819466A 1987-09-25 1988-08-16 Inducing refractive index changes in localized regions of optical fibres Withdrawn GB2210470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722615A GB8722615D0 (en) 1987-09-25 1987-09-25 Optical fibres

Publications (2)

Publication Number Publication Date
GB8819466D0 true GB8819466D0 (en) 1988-09-21
GB2210470A GB2210470A (en) 1989-06-07

Family

ID=10624383

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878722615A Pending GB8722615D0 (en) 1987-09-25 1987-09-25 Optical fibres
GB8819466A Withdrawn GB2210470A (en) 1987-09-25 1988-08-16 Inducing refractive index changes in localized regions of optical fibres

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878722615A Pending GB8722615D0 (en) 1987-09-25 1987-09-25 Optical fibres

Country Status (1)

Country Link
GB (2) GB8722615D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157747A (en) * 1991-01-18 1992-10-20 At&T Bell Laboratories Photorefractive optical fiber
EP0592690B1 (en) * 1992-05-01 1998-10-14 Sumitomo Electric Industries, Ltd Method for identifying optical line
GB2275347A (en) * 1993-02-19 1994-08-24 Univ Southampton Optical waveguide grating formed by transverse optical exposure
DE19715807C1 (en) 1997-04-16 1999-01-28 Vitaly Dr Lissotschenko Device for producing lattice structures in optical fibers
KR100322135B1 (en) * 1999-03-11 2002-02-04 윤종용 Optical Fiber in which residual mechanical stress is maximized and method for fabricating fiber gratings using the same
GB0509920D0 (en) * 2005-05-14 2005-06-22 Univ Aston Fiber grating laser
US7486858B2 (en) * 2007-05-16 2009-02-03 Furukawa Electric North America, Inc. Systems and methods for creating localized refractive index modulations in an optical fiber
CN108333687B (en) * 2018-01-12 2019-11-05 中山大学 A kind of multiplexer demultiplexer based on orbital angular momentum light

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131417B (en) * 1982-12-02 1987-04-08 Western Electric Co Ltd Optical device and preform fabrication
GB2189901B (en) * 1986-04-25 1989-12-06 Stc Plc Laser induced optical fibre grating devices.

Also Published As

Publication number Publication date
GB2210470A (en) 1989-06-07
GB8722615D0 (en) 1987-11-04

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)