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
  • G02F1/29—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
• • 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
  • G02B6/26—Optical coupling means
  • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
  • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
  • G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals

Landscapes

• Physics & Mathematics (AREA)
• Nonlinear Science (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Optical Communication System (AREA)
• Optical Elements Other Than Lenses (AREA)
• Mechanical Coupling Of Light Guides (AREA)
• Eye Examination Apparatus (AREA)
• Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
• Optical Couplings Of Light Guides (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=10623677

Family Applications (1)

Country Status (8)

Families Citing this family (2)

Family Cites Families (2)

• 1987
  • 1987-09-11 GB GB878721472A patent/GB8721472D0/en active Pending
• 1988
  • 1988-09-09 AT AT88308380T patent/ATE83102T1/de not_active IP Right Cessation
  • 1988-09-09 WO PCT/GB1988/000746 patent/WO1989002680A1/en not_active Ceased
  • 1988-09-09 EP EP88308380A patent/EP0307243B1/de not_active Expired - Lifetime
  • 1988-09-09 AU AU23054/88A patent/AU602251B2/en not_active Ceased
  • 1988-09-09 DE DE8888308380T patent/DE3876344T2/de not_active Expired - Fee Related
  • 1988-09-09 JP JP63507247A patent/JP2848836B2/ja not_active Expired - Lifetime
  • 1988-09-12 CA CA000577155A patent/CA1322287C/en not_active Expired - Fee Related

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