ZA836710B - Optical fibre - Google Patents

Optical fibre

Info

Publication number
ZA836710B
ZA836710B ZA836710A ZA836710A ZA836710B ZA 836710 B ZA836710 B ZA 836710B ZA 836710 A ZA836710 A ZA 836710A ZA 836710 A ZA836710 A ZA 836710A ZA 836710 B ZA836710 B ZA 836710B
Authority
ZA
South Africa
Prior art keywords
optical fibre
fibre
optical
Prior art date
Application number
ZA836710A
Other languages
English (en)
Inventor
Richard Charles Beecher
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA836710B publication Critical patent/ZA836710B/xx

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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4469—Security aspects
    • 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
    • G02B6/03688—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 5 or more layers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Laser Surgery Devices (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
ZA836710A 1982-09-30 1983-09-09 Optical fibre ZA836710B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42995482A 1982-09-30 1982-09-30

Publications (1)

Publication Number Publication Date
ZA836710B true ZA836710B (en) 1984-05-30

Family

ID=23705433

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA836710A ZA836710B (en) 1982-09-30 1983-09-09 Optical fibre

Country Status (8)

Country Link
EP (1) EP0105461A3 (pt)
JP (1) JPS5983108A (pt)
KR (1) KR840006429A (pt)
AU (1) AU1992083A (pt)
BR (1) BR8305150A (pt)
ES (1) ES8502552A1 (pt)
NO (1) NO833443L (pt)
ZA (1) ZA836710B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801700B2 (en) * 2001-05-10 2004-10-05 Fitel Usa Corp Optical fiber design for secure tap proof transmission
FI20031429A0 (fi) * 2003-10-02 2003-10-02 Nokia Corp Varma upstream -tiedonsiirto passiivisessa optisissa verkoissa
PL220754B1 (pl) * 2012-10-02 2015-12-31 Telekomunikacja Polska Spółka Akcyjna Światłowód współosiowy
CN107518862A (zh) * 2016-06-20 2017-12-29 魏晋 集成光学相干与非相干成像系统的一种光纤及成像方法
CN107550444A (zh) * 2016-07-01 2018-01-09 魏晋 一种多包层光纤合并光学相干成像与压力探测的方法
EP4325260A1 (en) 2022-08-17 2024-02-21 Terra Quantum AG System and method for quantum key distribution

Family Cites Families (5)

* 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
JPS54154338A (en) * 1978-05-25 1979-12-05 Nippon Telegr & Teleph Corp <Ntt> Glass fiber for optical transmission and production
GB2067781B (en) * 1979-10-29 1983-09-01 Standard Telephones Cables Ltd Optical fibres
US4407561A (en) * 1980-10-14 1983-10-04 Hughes Aircraft Company Metallic clad fiber optical waveguide

Also Published As

Publication number Publication date
JPS5983108A (ja) 1984-05-14
BR8305150A (pt) 1984-05-08
EP0105461A2 (en) 1984-04-18
KR840006429A (ko) 1984-11-29
ES526107A0 (es) 1984-10-01
EP0105461A3 (en) 1986-03-05
AU1992083A (en) 1984-04-05
ES8502552A1 (es) 1984-10-01
NO833443L (no) 1984-04-02

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