NO20024265D0 - Method and apparatus for a variable optical attenuator - Google Patents

Method and apparatus for a variable optical attenuator

Info

Publication number
NO20024265D0
NO20024265D0 NO20024265A NO20024265A NO20024265D0 NO 20024265 D0 NO20024265 D0 NO 20024265D0 NO 20024265 A NO20024265 A NO 20024265A NO 20024265 A NO20024265 A NO 20024265A NO 20024265 D0 NO20024265 D0 NO 20024265D0
Authority
NO
Norway
Prior art keywords
variable optical
optical attenuator
attenuator
variable
optical
Prior art date
Application number
NO20024265A
Other languages
Norwegian (no)
Other versions
NO318004B1 (en
Inventor
Anders Malthe Soerensen
Even Zimmer
Trond Naterstad
Bengt Jacobson
Original Assignee
Photonyx As
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 Photonyx As filed Critical Photonyx As
Priority to NO20024265A priority Critical patent/NO318004B1/en
Publication of NO20024265D0 publication Critical patent/NO20024265D0/en
Priority to AU2003263690A priority patent/AU2003263690A1/en
Priority to PCT/NO2003/000304 priority patent/WO2004023197A1/en
Priority to JP2004533890A priority patent/JP2005525604A/en
Priority to KR1020047006865A priority patent/KR100637917B1/en
Priority to EP03794360A priority patent/EP1535108A1/en
Priority to CNB031255574A priority patent/CN100520485C/en
Priority to US10/656,009 priority patent/US6897995B2/en
Publication of NO318004B1 publication Critical patent/NO318004B1/en

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
    • G02F1/29—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
    • G02F1/292—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 by controlled diffraction or phased-array beam steering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0808—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more diffracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1828—Diffraction gratings having means for producing variable diffraction
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29313—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
    • G02B6/29314—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response by moving or modifying the diffractive element, e.g. deforming
    • 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
    • G02B2006/12083—Constructional arrangements
    • G02B2006/12107—Grating
    • 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
    • G02F1/315—Digital deflection, i.e. optical switching based on the use of controlled internal reflection
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)
NO20024265A 2002-09-06 2002-09-06 Method and apparatus for a variable optical attenuator NO318004B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NO20024265A NO318004B1 (en) 2002-09-06 2002-09-06 Method and apparatus for a variable optical attenuator
AU2003263690A AU2003263690A1 (en) 2002-09-06 2003-08-29 Method and device for variable optical attenuator
PCT/NO2003/000304 WO2004023197A1 (en) 2002-09-06 2003-08-29 Method and device for variable optical attenuator
JP2004533890A JP2005525604A (en) 2002-09-06 2003-08-29 Method and device for variable optical attenuator
KR1020047006865A KR100637917B1 (en) 2002-09-06 2003-08-29 Method and device for variable optical attenuator
EP03794360A EP1535108A1 (en) 2002-09-06 2003-08-29 Method and device for variable optical attenuator
CNB031255574A CN100520485C (en) 2002-09-06 2003-09-05 Method and equipment for variable light attenuator
US10/656,009 US6897995B2 (en) 2002-09-06 2003-09-05 Method and device for variable optical attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20024265A NO318004B1 (en) 2002-09-06 2002-09-06 Method and apparatus for a variable optical attenuator

Publications (2)

Publication Number Publication Date
NO20024265D0 true NO20024265D0 (en) 2002-09-06
NO318004B1 NO318004B1 (en) 2005-01-17

Family

ID=19913974

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20024265A NO318004B1 (en) 2002-09-06 2002-09-06 Method and apparatus for a variable optical attenuator

Country Status (2)

Country Link
KR (1) KR100637917B1 (en)
NO (1) NO318004B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7656574B2 (en) 2003-09-05 2010-02-02 Photonyx As Method and device for reduction of polarization-dependent effects in a tunable optical component

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008008995A (en) * 2006-06-27 2008-01-17 Toshiba Corp Display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7656574B2 (en) 2003-09-05 2010-02-02 Photonyx As Method and device for reduction of polarization-dependent effects in a tunable optical component

Also Published As

Publication number Publication date
KR20040094393A (en) 2004-11-09
KR100637917B1 (en) 2006-10-24
NO318004B1 (en) 2005-01-17

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Legal Events

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