GB2309098B - Optical filter - Google Patents

Optical filter

Info

Publication number
GB2309098B
GB2309098B GB9700535A GB9700535A GB2309098B GB 2309098 B GB2309098 B GB 2309098B GB 9700535 A GB9700535 A GB 9700535A GB 9700535 A GB9700535 A GB 9700535A GB 2309098 B GB2309098 B GB 2309098B
Authority
GB
United Kingdom
Prior art keywords
optical filter
filter
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 - Fee Related
Application number
GB9700535A
Other versions
GB2309098A (en
GB9700535D0 (en
Inventor
Takashi Tanabe
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of GB9700535D0 publication Critical patent/GB9700535D0/en
Publication of GB2309098A publication Critical patent/GB2309098A/en
Application granted granted Critical
Publication of GB2309098B publication Critical patent/GB2309098B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/29346—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
    • G02B6/29368—Light guide comprising the filter, e.g. filter deposited on a fibre end
    • 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
    • G02B6/241—Light guide terminations
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3845—Details of mounting fibres in ferrules; Assembly methods; Manufacture ferrules comprising functional elements, e.g. filters
GB9700535A 1996-01-12 1997-01-13 Optical filter Expired - Fee Related GB2309098B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP362596A JPH09197112A (en) 1996-01-12 1996-01-12 Optical filter

Publications (3)

Publication Number Publication Date
GB9700535D0 GB9700535D0 (en) 1997-03-05
GB2309098A GB2309098A (en) 1997-07-16
GB2309098B true GB2309098B (en) 1998-04-29

Family

ID=11562686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9700535A Expired - Fee Related GB2309098B (en) 1996-01-12 1997-01-13 Optical filter

Country Status (3)

Country Link
JP (1) JPH09197112A (en)
DE (1) DE19700385A1 (en)
GB (1) GB2309098B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810720A (en) * 1956-11-02 1959-03-18 Erwin Kaesemann Improvements in or relating to light filters
GB1234596A (en) * 1967-12-09 1971-06-03
GB1349050A (en) * 1971-09-20 1974-03-27 Du Pont Decorative iridescent compositions
EP0182914A1 (en) * 1984-05-14 1986-06-04 Nissha Printing Co., Ltd. Color filter
US5270872A (en) * 1989-07-20 1993-12-14 The United States Of America As Represented By The Secretary Of The Air Force Superconducting submicron filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499697A (en) * 1965-01-04 1970-03-10 Monsanto Co Pellucid laminate with interference filter multilayer and monolayer
JPS60214701A (en) * 1984-04-05 1985-10-28 Mitsubishi Petrochem Co Ltd Suspended agricultural chemical composition
JPS62121405A (en) * 1985-11-22 1987-06-02 Nec Corp Optical attenuator
JPS63175804A (en) * 1987-01-16 1988-07-20 Toshiba Corp Interference film filter and its production
JPH04281403A (en) * 1991-03-08 1992-10-07 Nippon Sheet Glass Co Ltd High visible heat ray reflecting laminate
JPH07104121A (en) * 1993-10-04 1995-04-21 Kimoto & Co Ltd Color filter for fluorescent display tube
JP3243474B2 (en) * 1993-12-28 2002-01-07 光伸光学工業株式会社 Method for manufacturing multilayer bandpass filter and multilayer bandpass filter having substantially zero wavelength shift temperature coefficient
JPH08304623A (en) * 1995-05-10 1996-11-22 Furukawa Electric Co Ltd:The Optical thin film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810720A (en) * 1956-11-02 1959-03-18 Erwin Kaesemann Improvements in or relating to light filters
GB1234596A (en) * 1967-12-09 1971-06-03
GB1349050A (en) * 1971-09-20 1974-03-27 Du Pont Decorative iridescent compositions
EP0182914A1 (en) * 1984-05-14 1986-06-04 Nissha Printing Co., Ltd. Color filter
US5270872A (en) * 1989-07-20 1993-12-14 The United States Of America As Represented By The Secretary Of The Air Force Superconducting submicron filter

Also Published As

Publication number Publication date
GB2309098A (en) 1997-07-16
DE19700385A1 (en) 1997-07-17
JPH09197112A (en) 1997-07-31
GB9700535D0 (en) 1997-03-05

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Legal Events

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

Effective date: 20010113