IT7826054A0 - Impianto di trasmissione a fibre ottiche. - Google Patents

Impianto di trasmissione a fibre ottiche.

Info

Publication number
IT7826054A0
IT7826054A0 IT7826054A IT2605478A IT7826054A0 IT 7826054 A0 IT7826054 A0 IT 7826054A0 IT 7826054 A IT7826054 A IT 7826054A IT 2605478 A IT2605478 A IT 2605478A IT 7826054 A0 IT7826054 A0 IT 7826054A0
Authority
IT
Italy
Prior art keywords
transmission system
fiber optic
optic transmission
fiber
transmission
Prior art date
Application number
IT7826054A
Other languages
English (en)
Other versions
IT1118232B (it
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 IT7826054A0 publication Critical patent/IT7826054A0/it
Application granted granted Critical
Publication of IT1118232B publication Critical patent/IT1118232B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1326—Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4213—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being polarisation selective optical elements
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide
    • G02B6/4289—Optical modules with tapping or launching means through the surface of the waveguide by inducing bending, microbending or macrobending, to the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4256—Details of housings
    • G02B6/4257—Details of housings having a supporting carrier or a mounting substrate or a mounting plate
    • G02B6/4259—Details of housings having a supporting carrier or a mounting substrate or a mounting plate of the transparent type
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4286—Optical modules with optical power monitoring
IT26054/78A 1977-08-04 1978-07-25 Impianto di trasmissione a fibre ottiche IT1118232B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32743/77A GB1536518A (en) 1977-08-04 1977-08-04 Tap arrangement for a fibre optic transmission system

Publications (2)

Publication Number Publication Date
IT7826054A0 true IT7826054A0 (it) 1978-07-25
IT1118232B IT1118232B (it) 1986-02-24

Family

ID=10343351

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26054/78A IT1118232B (it) 1977-08-04 1978-07-25 Impianto di trasmissione a fibre ottiche

Country Status (7)

Country Link
AU (1) AU521582B2 (it)
CH (1) CH632597A5 (it)
DE (1) DE2830095A1 (it)
ES (1) ES472356A1 (it)
FR (1) FR2399676A1 (it)
GB (1) GB1536518A (it)
IT (1) IT1118232B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8313484D0 (en) * 1983-05-16 1983-06-22 King L H Optical waveguide
GB8328204D0 (en) * 1983-10-21 1983-11-23 British Telecomm Optical fibres
US4783851A (en) * 1984-01-27 1988-11-08 Yokogawa Electric Corporation Optical communication system
DE3407212A1 (de) * 1984-02-28 1985-09-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Eingangsschaltung fuer optokoppler
US4721352A (en) * 1986-02-26 1988-01-26 The Board Of Trustees Of The Leland Stanford Junior University Polarizing apparatus and method utilizing an optical fiber
GB2188204A (en) * 1986-03-17 1987-09-23 Plessey Co Plc Improvements relating to optical fibre light transmission systems
GB8800972D0 (en) * 1988-01-16 1988-02-17 Oxley Dev Co Ltd Sub-sea cable location indicator
CA2024389C (en) * 1989-09-06 1999-01-26 Yasuo Matsuda Coupler-type optical switch and process for producing the same
FI906095A (fi) * 1990-12-12 1992-06-13 Jouko Viitanen Foerfarande foer transmission av visualisk information.
DE4123489C2 (de) * 1991-07-16 1994-01-27 Zam Ev Vorrichtung zur leitungsgebundenen Daten- und Energieübertragung mittels Lichtenergie
EP1372024A1 (en) * 2002-06-12 2003-12-17 Alcatel Liquid crystal optical phase modulator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575493A (en) * 1969-08-05 1971-04-20 Rca Corp Fast self-quenching of dynamic scattering in liquid crystal devices
DE2301945C2 (de) * 1973-01-16 1982-04-08 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Empfänger für impulsförmige Lichtsignale
US3980396A (en) * 1975-02-25 1976-09-14 Xerox Corporation Liquid crystalline deflection and modulation system
DE2517194A1 (de) * 1975-04-18 1976-10-28 Siemens Ag Spektralselektive filtervorrichtung
JPS51136206A (en) * 1975-05-21 1976-11-25 Fujitsu Ltd Automatic light level controlling for light pcm relay
CH607066A5 (it) * 1975-12-05 1978-11-30 Comp Generale Electricite
DE2600893A1 (de) * 1976-01-12 1977-07-21 Siemens Ag Lichtverteiler fuer optische nachrichtensysteme
DE2732806C3 (de) * 1977-07-20 1980-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Lichtsignalübertrager zwischen gegenseitig verdrehbaren Apparateteilen

Also Published As

Publication number Publication date
CH632597A5 (en) 1982-10-15
AU521582B2 (en) 1982-04-22
ES472356A1 (es) 1979-04-01
AU3839078A (en) 1980-01-31
FR2399676A1 (fr) 1979-03-02
FR2399676B1 (it) 1983-04-08
IT1118232B (it) 1986-02-24
GB1536518A (en) 1978-12-20
DE2830095A1 (de) 1979-02-15

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