GB2181857B - Phase control - Google Patents

Phase control

Info

Publication number
GB2181857B
GB2181857B GB8525703A GB8525703A GB2181857B GB 2181857 B GB2181857 B GB 2181857B GB 8525703 A GB8525703 A GB 8525703A GB 8525703 A GB8525703 A GB 8525703A GB 2181857 B GB2181857 B GB 2181857B
Authority
GB
United Kingdom
Prior art keywords
phase control
phase
control
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
Application number
GB8525703A
Other versions
GB2181857A (en
Inventor
Stephen Wright
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8525703A priority Critical patent/GB2181857B/en
Priority to DE19863634563 priority patent/DE3634563A1/en
Publication of GB2181857A publication Critical patent/GB2181857A/en
Application granted granted Critical
Publication of GB2181857B publication Critical patent/GB2181857B/en
Expired legal-status Critical Current

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 
    • G02F1/21—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  by interference
    • G02F1/225—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  by interference in an optical waveguide structure
    • G02F1/2252—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  by interference in an optical waveguide structure in optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2676—Optically controlled phased array
GB8525703A 1985-10-18 1985-10-18 Phase control Expired GB2181857B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8525703A GB2181857B (en) 1985-10-18 1985-10-18 Phase control
DE19863634563 DE3634563A1 (en) 1985-10-18 1986-10-10 DEVICE FOR CHANGING THE PHASE OF INTENSITY MODULATION OF AN OPTICAL SIGNAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8525703A GB2181857B (en) 1985-10-18 1985-10-18 Phase control

Publications (2)

Publication Number Publication Date
GB2181857A GB2181857A (en) 1987-04-29
GB2181857B true GB2181857B (en) 1989-05-10

Family

ID=10586864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8525703A Expired GB2181857B (en) 1985-10-18 1985-10-18 Phase control

Country Status (2)

Country Link
DE (1) DE3634563A1 (en)
GB (1) GB2181857B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0345391A1 (en) * 1988-06-08 1989-12-13 THE GENERAL ELECTRIC COMPANY, p.l.c. Method and apparatus for controlling the phase of an amplitude-modulated optical signal and its use in a phased-array antenna
GB2205172B (en) * 1987-05-23 1991-01-30 Gen Electric Plc Delaying an amplitude-modulated optical signal
CA2009352C (en) * 1989-02-07 1995-02-28 Masao Kawachi Guided-wave optical branching components and optical switches
DE4021293A1 (en) * 1990-07-04 1992-01-16 Deutsche Forsch Luft Raumfahrt BISTABLE OPTICAL SWITCH
DE10147053A1 (en) * 2001-09-25 2003-04-03 Siemens Ag Polarization-change device for changing an incoming electromagnetic wave at its entry point into an electromagnetic wave with a pre-determined polarization has interferometer devices with length-adjusting devices.
WO2006084480A1 (en) * 2005-02-10 2006-08-17 Pirelli & C. S.P.A. Optical band splitter/combiner device comprising a three-arms interferometer
CN101608930B (en) * 2009-07-09 2012-05-23 复旦大学 Realizing method of pi/2 phase bias of optical fiber interferometer
CN109211356B (en) * 2018-11-09 2023-10-10 珠海任驰光电科技有限公司 Optical fiber interference water level sensor and sensing method based on frequency shift technology

Also Published As

Publication number Publication date
DE3634563A1 (en) 1987-04-23
GB2181857A (en) 1987-04-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee