DE68912684D1 - Nichtanzapfbare optische Monomodefaser und diese Faser verwendendes Übertragungsverfahren. - Google Patents

Nichtanzapfbare optische Monomodefaser und diese Faser verwendendes Übertragungsverfahren.

Info

Publication number
DE68912684D1
DE68912684D1 DE89115437T DE68912684T DE68912684D1 DE 68912684 D1 DE68912684 D1 DE 68912684D1 DE 89115437 T DE89115437 T DE 89115437T DE 68912684 T DE68912684 T DE 68912684T DE 68912684 D1 DE68912684 D1 DE 68912684D1
Authority
DE
Germany
Prior art keywords
fiber
untappable
transmission method
single mode
mode 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
DE89115437T
Other languages
English (en)
Other versions
DE68912684T2 (de
Inventor
Jacques Auge
Pascale Beaufume
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Application granted granted Critical
Publication of DE68912684D1 publication Critical patent/DE68912684D1/de
Publication of DE68912684T2 publication Critical patent/DE68912684T2/de
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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
    • G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
DE89115437T 1988-08-26 1989-08-22 Nichtanzapfbare optische Monomodefaser und diese Faser verwendendes Übertragungsverfahren. Expired - Fee Related DE68912684T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8811286A FR2635876B1 (fr) 1988-08-26 1988-08-26 Fibre optique monomode protegee contre le detournement d'informations transmises et procede de transmission utilisant cette fibre

Publications (2)

Publication Number Publication Date
DE68912684D1 true DE68912684D1 (de) 1994-03-10
DE68912684T2 DE68912684T2 (de) 1994-05-05

Family

ID=9369550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89115437T Expired - Fee Related DE68912684T2 (de) 1988-08-26 1989-08-22 Nichtanzapfbare optische Monomodefaser und diese Faser verwendendes Übertragungsverfahren.

Country Status (4)

Country Link
US (1) US4986629A (de)
EP (1) EP0355782B1 (de)
DE (1) DE68912684T2 (de)
FR (1) FR2635876B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738430B1 (fr) * 1990-09-21 1998-03-13 Alsthom Cge Alcatel Procede et dispositif de transmission d'information sur fibre optique avec detection et/ou localisation d'intrusion
US5177803A (en) * 1991-04-29 1993-01-05 Corning Incorporated Coaxial optical fiber coupler transmitter-receiver apparatus and method of making same
US6381045B1 (en) * 1998-06-24 2002-04-30 Lucent Technologies Inc. Method and apparatus for bidirectional communication over a single optical fiber
EP3018507A1 (de) * 2014-11-06 2016-05-11 Alcatel Lucent Vorrichtung und Verfahren zur Erfassung eines Angriffs auf die Integrität einer Übertragungslinie eines optischen Signals
US10033148B2 (en) 2016-02-04 2018-07-24 Lawrence Livermore National Security, Llc Waveguide design for line selection in fiber lasers and amplifiers
US10348050B2 (en) 2016-02-04 2019-07-09 Lawrence Livermore National Security, Llc Nd3+fiber laser and amplifier
KR102279322B1 (ko) * 2019-04-08 2021-07-21 한양대학교 산학협력단 다중 진단 및 치료 카테터와 이를 포함하는 카테터 시스템

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000416A (en) * 1975-07-11 1976-12-28 International Telephone And Telegraph Corporation Multi-core optical communications fiber
US4134642A (en) * 1976-04-16 1979-01-16 Northern Telecom Limited Optical fibre with increased security
CA1205307A (en) * 1981-12-07 1986-06-03 Venkata A. Bhagavatula Low dispersion, low-loss single-mode optical waveguide

Also Published As

Publication number Publication date
EP0355782A1 (de) 1990-02-28
FR2635876A1 (fr) 1990-03-02
EP0355782B1 (de) 1994-01-26
DE68912684T2 (de) 1994-05-05
US4986629A (en) 1991-01-22
FR2635876B1 (fr) 1992-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL, PARIS, FR

8339 Ceased/non-payment of the annual fee