GB2216678B - Improvements in or relating to optical apparatus with tuneable filter. - Google Patents

Improvements in or relating to optical apparatus with tuneable filter.

Info

Publication number
GB2216678B
GB2216678B GB8610879A GB8610879A GB2216678B GB 2216678 B GB2216678 B GB 2216678B GB 8610879 A GB8610879 A GB 8610879A GB 8610879 A GB8610879 A GB 8610879A GB 2216678 B GB2216678 B GB 2216678B
Authority
GB
United Kingdom
Prior art keywords
relating
optical apparatus
tuneable filter
tuneable
filter
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
GB8610879A
Other versions
GB2216678A (en
GB8610879D0 (en
Inventor
James Allister Mcquoid
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.)
Qioptiq Ltd
Original Assignee
Pilkington PE 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 Pilkington PE Ltd filed Critical Pilkington PE Ltd
Publication of GB8610879D0 publication Critical patent/GB8610879D0/en
Publication of GB2216678A publication Critical patent/GB2216678A/en
Application granted granted Critical
Publication of GB2216678B publication Critical patent/GB2216678B/en
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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • 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
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317—Light guides of the optical fibre type
    • G02B6/29322—Diffractive elements of the tunable type
    • 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
    • G02B6/29395—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 configurable, e.g. tunable or reconfigurable
    • 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
    • G02B6/29346—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 wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GB8610879A 1985-05-16 1986-05-02 Improvements in or relating to optical apparatus with tuneable filter. Expired - Lifetime GB2216678B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8512411 1985-05-16

Publications (3)

Publication Number Publication Date
GB8610879D0 GB8610879D0 (en) 1989-07-05
GB2216678A GB2216678A (en) 1989-10-11
GB2216678B true GB2216678B (en) 1990-02-21

Family

ID=10579238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8610879A Expired - Lifetime GB2216678B (en) 1985-05-16 1986-05-02 Improvements in or relating to optical apparatus with tuneable filter.

Country Status (1)

Country Link
GB (1) GB2216678B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8824784D0 (en) * 1988-10-21 1988-11-30 Pilkington Plc Method & apparatus for use of holographic optical elements
GB9419757D0 (en) * 1994-09-30 1994-11-16 Lynxvale Ltd Wavelength selective filter and laser including it

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB714955A (en) * 1952-03-31 1954-09-08 Technicolor Motion Picture Improvements in or relating to light dividing systems
GB716332A (en) * 1951-07-21 1954-10-06 Technicolor Motion Picture Optical beam splitting or combining systems
GB768036A (en) * 1954-09-17 1957-02-13 Technicolor Motion Picture Improvements in or relating to optical beam splitting or combining systems
GB2014752A (en) * 1978-01-31 1979-08-30 Nippon Telegraph & Telephone Element for use in optical multiplexer or de-multiplexer
EP0146957A2 (en) * 1983-12-22 1985-07-03 Alcatel N.V. Optical multiplexer/demultiplexer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB716332A (en) * 1951-07-21 1954-10-06 Technicolor Motion Picture Optical beam splitting or combining systems
GB714955A (en) * 1952-03-31 1954-09-08 Technicolor Motion Picture Improvements in or relating to light dividing systems
GB768036A (en) * 1954-09-17 1957-02-13 Technicolor Motion Picture Improvements in or relating to optical beam splitting or combining systems
GB2014752A (en) * 1978-01-31 1979-08-30 Nippon Telegraph & Telephone Element for use in optical multiplexer or de-multiplexer
EP0146957A2 (en) * 1983-12-22 1985-07-03 Alcatel N.V. Optical multiplexer/demultiplexer

Also Published As

Publication number Publication date
GB2216678A (en) 1989-10-11
GB8610879D0 (en) 1989-07-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970502