DE69320921D1 - Erbium/Thulium dotiertes optisches Filter für optische Fasern oder Wellenleiter - Google Patents

Erbium/Thulium dotiertes optisches Filter für optische Fasern oder Wellenleiter

Info

Publication number
DE69320921D1
DE69320921D1 DE69320921T DE69320921T DE69320921D1 DE 69320921 D1 DE69320921 D1 DE 69320921D1 DE 69320921 T DE69320921 T DE 69320921T DE 69320921 T DE69320921 T DE 69320921T DE 69320921 D1 DE69320921 D1 DE 69320921D1
Authority
DE
Germany
Prior art keywords
erbium
waveguides
thulium doped
optical fibers
optical 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
DE69320921T
Other languages
English (en)
Inventor
Hiroo Kanamori
Akira Urano
Tomonori Kashiwada
Izumi Sankawa
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69320921D1 publication Critical patent/DE69320921D1/de
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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • 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
DE69320921T 1992-12-02 1993-12-02 Erbium/Thulium dotiertes optisches Filter für optische Fasern oder Wellenleiter Expired - Lifetime DE69320921D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04323278A JP3119751B2 (ja) 1992-12-02 1992-12-02 光フィルタ

Publications (1)

Publication Number Publication Date
DE69320921D1 true DE69320921D1 (de) 1998-10-15

Family

ID=18153009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320921T Expired - Lifetime DE69320921D1 (de) 1992-12-02 1993-12-02 Erbium/Thulium dotiertes optisches Filter für optische Fasern oder Wellenleiter

Country Status (6)

Country Link
US (1) US5422975A (de)
EP (1) EP0600490B1 (de)
JP (1) JP3119751B2 (de)
AU (1) AU668605B2 (de)
CA (1) CA2110470A1 (de)
DE (1) DE69320921D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6574406B2 (en) * 2001-09-11 2003-06-03 Corning Incorporated Selectively absorbing optical fibers for optical amplifiers
JP2008242012A (ja) * 2007-03-27 2008-10-09 Mitsubishi Cable Ind Ltd レーザーガイド用光ファイバ及びそれを備えたレーザーガイド
JP6067669B2 (ja) * 2014-12-27 2017-01-25 ヤマサ醤油株式会社 冷凍惣菜用調味液

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482204A (en) * 1980-02-25 1984-11-13 At&T Bell Laboratories Ultraviolet absorbers in optical fiber coatings
US4637025A (en) * 1984-10-22 1987-01-13 Polaroid Corporation Super radiant light source
JPS63184386A (ja) * 1986-09-18 1988-07-29 Furukawa Electric Co Ltd:The 光ファイバと光ファイバ型発光体
US4782491A (en) * 1987-04-09 1988-11-01 Polaroid Corporation Ion doped, fused silica glass fiber laser
US4815079A (en) * 1987-12-17 1989-03-21 Polaroid Corporation Optical fiber lasers and amplifiers
GB9026898D0 (en) * 1990-12-11 1991-01-30 British Telecomm Optical communications system
JPH04238307A (ja) * 1991-01-23 1992-08-26 Nec Corp 光デバイス端末
US5121460A (en) * 1991-01-31 1992-06-09 The Charles Stark Draper Lab., Inc. High-power mode-selective optical fiber laser
US5067789A (en) * 1991-02-14 1991-11-26 Corning Incorporated Fiber optic coupling filter and amplifier
US5216728A (en) * 1991-06-14 1993-06-01 Corning Incorporated Optical fiber amplifier with filter
US5131069A (en) * 1991-08-12 1992-07-14 Corning Incorporated Fiber amplifier having modified gain spectrum
EP0557542B1 (de) * 1992-02-25 1995-09-20 Hewlett-Packard GmbH Optischer Abschwächer
US5276701A (en) * 1992-09-18 1994-01-04 Fujitsu Limited Ring laser employing unidirectional attenuator

Also Published As

Publication number Publication date
AU668605B2 (en) 1996-05-09
CA2110470A1 (en) 1994-06-03
JPH06174928A (ja) 1994-06-24
AU5183293A (en) 1994-06-16
JP3119751B2 (ja) 2000-12-25
EP0600490A1 (de) 1994-06-08
EP0600490B1 (de) 1998-09-09
US5422975A (en) 1995-06-06

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Legal Events

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