JPS5621121B2 - - Google Patents

Info

Publication number
JPS5621121B2
JPS5621121B2 JP8205976A JP8205976A JPS5621121B2 JP S5621121 B2 JPS5621121 B2 JP S5621121B2 JP 8205976 A JP8205976 A JP 8205976A JP 8205976 A JP8205976 A JP 8205976A JP S5621121 B2 JPS5621121 B2 JP S5621121B2
Authority
JP
Japan
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
Application number
JP8205976A
Other versions
JPS5238238A (en
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 filed Critical
Publication of JPS5238238A publication Critical patent/JPS5238238A/ja
Publication of JPS5621121B2 publication Critical patent/JPS5621121B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection
    • 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
    • G02B6/02042—Multicore optical fibres
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4469—Security aspects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)
  • Burglar Alarm Systems (AREA)
JP51082059A 1975-07-11 1976-07-12 Multiplex core optical fiber* optical fiber communication system and method of transmitting saeety information data in optical communii cation system Granted JPS5238238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/595,247 US4000416A (en) 1975-07-11 1975-07-11 Multi-core optical communications fiber

Publications (2)

Publication Number Publication Date
JPS5238238A JPS5238238A (en) 1977-03-24
JPS5621121B2 true JPS5621121B2 (ja) 1981-05-18

Family

ID=24382419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51082059A Granted JPS5238238A (en) 1975-07-11 1976-07-12 Multiplex core optical fiber* optical fiber communication system and method of transmitting saeety information data in optical communii cation system

Country Status (12)

Country Link
US (1) US4000416A (ja)
JP (1) JPS5238238A (ja)
AU (1) AU502543B2 (ja)
CA (1) CA1087891A (ja)
CH (1) CH607064A5 (ja)
DE (1) DE2628561A1 (ja)
ES (1) ES449730A1 (ja)
FR (1) FR2317670A1 (ja)
GB (1) GB1543242A (ja)
IE (1) IE43610B1 (ja)
NL (1) NL7607538A (ja)
ZA (1) ZA763885B (ja)

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* Cited by examiner, † Cited by third party
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US4139262A (en) * 1974-09-06 1979-02-13 Siemens Aktiengesellschaft Filter for a light wave in a light guiding fiber
DE2538313C3 (de) * 1975-08-28 1981-11-05 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung eines Vorproduktes für die Erzeugung eines optischen, selbstfokussierenden Lichtleiters
US4149772A (en) * 1975-09-22 1979-04-17 Northern Electric Company Limited Optical fibre having low mode dispersion
GB1493660A (en) * 1975-12-16 1977-11-30 Standard Telephones Cables Ltd Optical waveguide power dividers
US4070091A (en) * 1976-04-16 1978-01-24 Northern Telecom Limited Optical fibre with enhanced security
US4134642A (en) * 1976-04-16 1979-01-16 Northern Telecom Limited Optical fibre with increased security
US4086484A (en) * 1976-07-14 1978-04-25 International Telephone And Telegraph Corporation Optical amplitude modulation modulator
US4174149A (en) * 1976-08-19 1979-11-13 The United States Of America As Represented By The Secretary Of The Army Secure fiber optics communication system
US4217488A (en) * 1977-01-21 1980-08-12 Bell Telephone Laboratories, Incorporated Secure optical communication components, method, and system
JPS54103098U (ja) * 1977-12-29 1979-07-20
US4265515A (en) * 1978-05-08 1981-05-05 International Telephone And Telegraph Corporation Optical fiber waveguide with effective refractive index profile
DE2966062D1 (en) * 1978-06-20 1983-09-22 Bicc Plc An improved optical cable
US4262284A (en) * 1978-06-26 1981-04-14 Stieff Lorin R Self-monitoring seal
US4292628A (en) * 1978-08-28 1981-09-29 Chubb Industries Limited Fibre optic security system
US4403143A (en) * 1978-11-03 1983-09-06 Research Energy Of Ohio, Inc. Detonating cord and continuity verification system
GB2067781B (en) * 1979-10-29 1983-09-01 Standard Telephones Cables Ltd Optical fibres
US4266851A (en) * 1979-11-06 1981-05-12 International Telephone And Telegraph Corporation Coupler for a concentric core optical fiber
US4252403A (en) * 1979-11-06 1981-02-24 International Telephone And Telegraph Corporation Coupler for a graded index fiber
US4279465A (en) * 1979-11-30 1981-07-21 The Singer Company Device for transmitting and receiving optical data on the same optical transmission line
US4314741A (en) * 1979-12-17 1982-02-09 The Boeing Company Intrusion-free optical cable
US4363533A (en) * 1979-12-26 1982-12-14 Gould Inc. Concentric fiber optical transducer
FR2484742A1 (fr) * 1980-06-13 1981-12-18 Thomson Csf Systeme de liaisons bidirectionnelles par fibres optiques
US4372642A (en) * 1980-11-25 1983-02-08 The United States Of America As Represented By The Secretary Of The Navy Multiple thin film absorption of reflected substrate modes in waveguide system
US4450434A (en) * 1981-05-19 1984-05-22 The United States Of America As Represented By The Secretary Of The Army Apparatus for determining break locations in fencing
JPS592005A (ja) * 1982-06-26 1984-01-07 Sumitomo Electric Ind Ltd センサ用光フアイバ
EP0100517B1 (en) * 1982-07-31 1990-12-27 Sumitomo Electric Industries Limited Optical fiber sensor
DE3234900A1 (de) * 1982-09-21 1984-03-22 Siemens Ag Faseroptischer sensor
ZA836710B (en) * 1982-09-30 1984-05-30 Int Standard Electric Corp Optical fibre
GB2136239B (en) * 1983-03-03 1986-11-19 British Telecomm Optical fibre transmission systems
DE3376884D1 (de) * 1983-06-29 1988-07-07 Ant Nachrichtentech Single-mode w-fibre
DE3477271D1 (en) * 1984-12-28 1989-04-20 Ibm Waveguide for an optical near-field microscope
US5140636A (en) * 1985-05-02 1992-08-18 The United States Of America As Represented By The Secretary Of The Navy Interferometric optical fiber data link
FR2584199B1 (fr) * 1985-06-26 1989-01-20 Comp Generale Electricite Fibre optique et application de cette fibre a un dispositif optique pour effectuer a distance l'analyse chimique d'un corps
US4750802A (en) * 1986-08-08 1988-06-14 Corning Glass Works Optical fiber dispersion compensator
US4953947A (en) * 1986-08-08 1990-09-04 Corning Incorporated Dispersion transformer having multichannel fiber
US4806289A (en) * 1987-01-16 1989-02-21 The Dow Chemical Company Method of making a hollow light pipe
US4871487A (en) * 1987-01-16 1989-10-03 The Dow Chemical Company Method of making a polymeric optical waveguide by coextrusion
US4859024A (en) * 1988-03-10 1989-08-22 Pirelli Cable Corporation Optical fiber cable with tampering detecting means
US4903339A (en) * 1988-06-16 1990-02-20 The United States Of America As Represented By The Director, National Security Agency Locally nulled sine-wave total power alarm for intrusion detecting optical communications systems
FR2635876B1 (fr) * 1988-08-26 1992-10-16 Comp Generale Electricite Fibre optique monomode protegee contre le detournement d'informations transmises et procede de transmission utilisant cette fibre
FR2739459B1 (fr) * 1991-03-06 1998-01-30 Alcatel Cable Liaison optique de transmission a detection d'intrusion
US5627934A (en) * 1994-08-03 1997-05-06 Martin Marietta Energy Systems, Inc. Concentric core optical fiber with multiple-mode signal transmission
US5712937A (en) * 1994-12-01 1998-01-27 Asawa; Charles K. Optical waveguide including singlemode waveguide channels coupled to a multimode fiber
US5822488A (en) * 1995-10-04 1998-10-13 Sumitomo Electric Industries, Inc. Single-mode optical fiber with plural core portions
US5894104A (en) * 1997-05-15 1999-04-13 Schlumberger Technology Corporation Coax-slickline cable for use in well logging
AU2957399A (en) * 1998-04-01 1999-10-18 Hamamatsu Photonics K.K. Optical Part
EP1076247B1 (en) * 1998-04-27 2004-11-03 Hamamatsu Photonics K.K. Bundle of optical fibres for image transmission
US6363192B1 (en) * 1998-12-23 2002-03-26 Corning Cable Systems Llc Composite cable units
AU6352900A (en) * 1999-07-19 2001-02-05 Cogent Light Technologies, Inc. Compound cladded rod for transmission of optical power
US7046888B2 (en) * 2002-12-18 2006-05-16 The Regents Of The University Of Michigan Enhancing fiber-optic sensing technique using a dual-core fiber
US8411375B2 (en) * 2008-01-25 2013-04-02 Aptina Imaging Corporation Method and apparatus providing gradient index of refraction lens for image sensors
US7831115B2 (en) * 2008-03-20 2010-11-09 Intel Corporation Optical die structures and associated package substrates
KR100975838B1 (ko) * 2008-09-17 2010-08-16 한국표준과학연구원 이중구조를 가지는 광섬유를 이용한 침입 방지장치 및 침입 방지방법
DK2209029T3 (en) 2009-01-19 2015-04-13 Sumitomo Electric Industries optical fiber
JPWO2010082656A1 (ja) 2009-01-19 2012-07-05 住友電気工業株式会社 マルチコア光ファイバ
DK2209031T3 (da) * 2009-01-20 2020-04-06 Sumitomo Electric Industries Anordningsomformer
US9535211B2 (en) 2011-12-01 2017-01-03 Raytheon Company Method and apparatus for fiber delivery of high power laser beams
US9664869B2 (en) 2011-12-01 2017-05-30 Raytheon Company Method and apparatus for implementing a rectangular-core laser beam-delivery fiber that provides two orthogonal transverse bending degrees of freedom
US8675694B2 (en) 2012-02-16 2014-03-18 Raytheon Company Multi-media raman resonators and related system and method
US8983259B2 (en) 2012-05-04 2015-03-17 Raytheon Company Multi-function beam delivery fibers and related system and method
CN104903768B (zh) * 2013-01-08 2017-05-24 美国北卡罗来纳康普公司 通过将紫外能量传输通过光纤包层使与光纤相邻的环氧树脂选择性紫外固化
US9529147B2 (en) * 2014-04-29 2016-12-27 Florida Institute of Technology, Inc. All-optical spatial domain multiplexing de-multiplexer
US10284288B2 (en) 2016-02-18 2019-05-07 Apriori Network Systems, Llc Secured fiber link system
US10763962B2 (en) * 2016-02-18 2020-09-01 Apriori Network Systems, Llc. Secured fiber link system
US10784969B2 (en) 2016-02-18 2020-09-22 Apriori Network Systems, Llc. Secured fiber link system
CN114252953A (zh) 2017-08-31 2022-03-29 旭化成株式会社 塑料光纤、塑料光纤线缆、带有连接器的塑料光纤线缆、光通信系统、和塑料光纤传感器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927233A (ja) * 1972-07-03 1974-03-11
JPS4974546A (ja) * 1972-10-06 1974-07-18
JPS49103642A (ja) * 1973-01-04 1974-10-01
JPS5039143A (ja) * 1973-08-10 1975-04-11

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445785A (en) * 1963-08-05 1969-05-20 American Optical Corp Laser systems and the like employing solid laser components and light-absorbing claddings
US3535017A (en) * 1968-01-08 1970-10-20 Bell Telephone Labor Inc Optical fiber waveguide structures
US3700900A (en) * 1969-02-06 1972-10-24 Arne J Herleikson Dual purpose transmission line
US3636473A (en) * 1969-03-06 1972-01-18 American Optical Corp Composite glass laser rod
US3583786A (en) * 1969-09-23 1971-06-08 Bell Telephone Labor Inc Optical waveguide formed of cylinders with optically smooth interfaces therebetween
GB1422956A (en) * 1972-11-10 1976-01-28 Bicc Ltd Optical guides
GB1456371A (en) * 1972-11-25 1976-11-24 Sumitomo Electric Industries Optical transmission fibre
DE2512312C2 (de) * 1974-03-20 1984-09-13 Sumitomo Electric Industries, Ltd., Osaka Verfahren zum Beschichten einer optischen Lichtleitglasfaser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927233A (ja) * 1972-07-03 1974-03-11
JPS4974546A (ja) * 1972-10-06 1974-07-18
JPS49103642A (ja) * 1973-01-04 1974-10-01
JPS5039143A (ja) * 1973-08-10 1975-04-11

Also Published As

Publication number Publication date
JPS5238238A (en) 1977-03-24
DE2628561A1 (de) 1977-01-27
AU502543B2 (en) 1979-08-02
FR2317670B1 (ja) 1982-04-02
FR2317670A1 (fr) 1977-02-04
GB1543242A (en) 1979-03-28
CA1087891A (en) 1980-10-21
ES449730A1 (es) 1977-12-16
ZA763885B (en) 1977-05-25
US4000416A (en) 1976-12-28
IE43610L (en) 1977-01-11
IE43610B1 (en) 1981-04-08
AU1558976A (en) 1978-01-12
NL7607538A (nl) 1977-01-13
CH607064A5 (ja) 1978-11-30

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