GB8431379D0 - Optical wavelength selector - Google Patents

Optical wavelength selector

Info

Publication number
GB8431379D0
GB8431379D0 GB848431379A GB8431379A GB8431379D0 GB 8431379 D0 GB8431379 D0 GB 8431379D0 GB 848431379 A GB848431379 A GB 848431379A GB 8431379 A GB8431379 A GB 8431379A GB 8431379 D0 GB8431379 D0 GB 8431379D0
Authority
GB
United Kingdom
Prior art keywords
optical wavelength
wavelength selector
selector
optical
wavelength
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.)
Granted
Application number
GB848431379A
Other versions
GB2152317A (en
GB2152317B (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.)
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
Publication of GB8431379D0 publication Critical patent/GB8431379D0/en
Publication of GB2152317A publication Critical patent/GB2152317A/en
Application granted granted Critical
Publication of GB2152317B publication Critical patent/GB2152317B/en
Expired 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931—Diffractive element operating in 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Optical Communication System (AREA)
GB08431379A 1983-12-12 1984-12-12 Optical wavelength selector Expired GB2152317B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838333054A GB8333054D0 (en) 1983-12-12 1983-12-12 Optical wavelength selector

Publications (3)

Publication Number Publication Date
GB8431379D0 true GB8431379D0 (en) 1985-01-23
GB2152317A GB2152317A (en) 1985-07-31
GB2152317B GB2152317B (en) 1987-02-04

Family

ID=10553175

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838333054A Pending GB8333054D0 (en) 1983-12-12 1983-12-12 Optical wavelength selector
GB08431379A Expired GB2152317B (en) 1983-12-12 1984-12-12 Optical wavelength selector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838333054A Pending GB8333054D0 (en) 1983-12-12 1983-12-12 Optical wavelength selector

Country Status (1)

Country Link
GB (2) GB8333054D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8431087D0 (en) * 1984-12-10 1985-01-16 Secr Defence Multiplexing & demultiplexing systems
NL8500806A (en) * 1985-03-20 1986-10-16 Nkf Groep Bv OPTICAL MULTIPLEX DEVICE.
GB2202404B (en) * 1987-03-13 1991-01-02 Plessey Co Plc Apparatus for optical wavelength division multiplexing
US4926412A (en) * 1988-02-22 1990-05-15 Physical Optics Corporation High channel density wavelength division multiplexer with defined diffracting means positioning
US4842357A (en) * 1988-08-08 1989-06-27 The Boeing Company Integrated wavelength division multiplexed optical sensor
GB2225482B (en) * 1988-11-23 1992-10-14 Stc Plc Multichannel cavity laser
US5245404A (en) * 1990-10-18 1993-09-14 Physical Optics Corportion Raman sensor
FR2695032B1 (en) * 1992-08-28 1994-11-04 Elioptic Ltd Chromo-reflexology device.
US6270244B1 (en) * 1999-11-16 2001-08-07 Dn Labs Inc Fiber optic illumination system having diffraction grating wavelength selector

Also Published As

Publication number Publication date
GB2152317A (en) 1985-07-31
GB2152317B (en) 1987-02-04
GB8333054D0 (en) 1984-01-18

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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