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GB2444544B - Optical Delay Line Arrangement - Google Patents

Optical Delay Line Arrangement

Info

Publication number
GB2444544B
GB2444544B GB9303881A GB9303881A GB2444544B GB 2444544 B GB2444544 B GB 2444544B GB 9303881 A GB9303881 A GB 9303881A GB 9303881 A GB9303881 A GB 9303881A GB 2444544 B GB2444544 B GB 2444544B
Authority
GB
United Kingdom
Prior art keywords
delay line
optical delay
line arrangement
arrangement
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 - Lifetime
Application number
GB9303881A
Other versions
GB2444544A (en
GB9303881D0 (en
Inventor
Nicholas John Parsons
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.)
BAE Systems PLC
Original Assignee
GEC Marconi Ltd
BAE Systems PLC
Marconi Co Ltd
BAE Systems Electronics Ltd
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 GEC Marconi Ltd, BAE Systems PLC, Marconi Co Ltd, BAE Systems Electronics Ltd filed Critical GEC Marconi Ltd
Priority to GB9303881A priority Critical patent/GB2444544B/en
Publication of GB9303881D0 publication Critical patent/GB9303881D0/en
Publication of GB2444544A publication Critical patent/GB2444544A/en
Application granted granted Critical
Publication of GB2444544B publication Critical patent/GB2444544B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/125—Bends, branchings or intersections
    • 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 
    • G02F1/0128—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 electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G02F1/0134—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3137—Digital deflection, i.e. optical switching in an optical waveguide structure with intersecting or branching waveguides, e.g. X-switches and Y-junctions

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Integrated Circuits (AREA)
GB9303881A 1993-02-26 1993-02-26 Optical Delay Line Arrangement Expired - Lifetime GB2444544B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9303881A GB2444544B (en) 1993-02-26 1993-02-26 Optical Delay Line Arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9303881A GB2444544B (en) 1993-02-26 1993-02-26 Optical Delay Line Arrangement

Publications (3)

Publication Number Publication Date
GB9303881D0 GB9303881D0 (en) 2008-03-12
GB2444544A GB2444544A (en) 2008-06-11
GB2444544B true GB2444544B (en) 2008-11-12

Family

ID=39204526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9303881A Expired - Lifetime GB2444544B (en) 1993-02-26 1993-02-26 Optical Delay Line Arrangement

Country Status (1)

Country Link
GB (1) GB2444544B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106505A2 (en) * 1982-09-13 1984-04-25 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic word generator
WO1993006502A1 (en) * 1991-09-20 1993-04-01 Försvarets Forskningsanstalt A fibre optical system for range gate pull-off of radar echoes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106505A2 (en) * 1982-09-13 1984-04-25 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic word generator
WO1993006502A1 (en) * 1991-09-20 1993-04-01 Försvarets Forskningsanstalt A fibre optical system for range gate pull-off of radar echoes

Also Published As

Publication number Publication date
GB2444544A (en) 2008-06-11
GB9303881D0 (en) 2008-03-12

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: BAE SYSTEMS PLC

Free format text: FORMER APPLICANT(S): BAE SYSTEMS ELECTRONICS LIMITED

PE20 Patent expired after termination of 20 years

Expiry date: 20130225