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GB0223052D0 - Tunable filter - Google Patents

Tunable filter

Info

Publication number
GB0223052D0
GB0223052D0 GB0223052A GB0223052A GB0223052D0 GB 0223052 D0 GB0223052 D0 GB 0223052D0 GB 0223052 A GB0223052 A GB 0223052A GB 0223052 A GB0223052 A GB 0223052A GB 0223052 D0 GB0223052 D0 GB 0223052D0
Authority
GB
United Kingdom
Prior art keywords
tunable filter
tunable
filter
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.)
Granted
Application number
GB0223052A
Other versions
GB2386754A (en
GB2386754B (en
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.)
Optitune PLC
Original Assignee
Optitune 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 Optitune PLC filed Critical Optitune PLC
Publication of GB0223052D0 publication Critical patent/GB0223052D0/en
Priority to US10/306,843 priority Critical patent/US7027469B2/en
Publication of GB2386754A publication Critical patent/GB2386754A/en
Application granted granted Critical
Publication of GB2386754B publication Critical patent/GB2386754B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
    • 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 
    • G02F1/0102—Constructional details, not otherwise provided for in this subclass
    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
GB0223052A 2001-11-30 2002-10-04 A diffraction device for providing wavelength selective feedback in a tunable optical source Expired - Fee Related GB2386754B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/306,843 US7027469B2 (en) 2001-11-30 2002-11-29 Tunable filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42114301P 2001-11-30 2001-11-30
US99726101A 2001-11-30 2001-11-30

Publications (3)

Publication Number Publication Date
GB0223052D0 true GB0223052D0 (en) 2002-11-13
GB2386754A GB2386754A (en) 2003-09-24
GB2386754B GB2386754B (en) 2005-11-02

Family

ID=25543805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0223052A Expired - Fee Related GB2386754B (en) 2001-11-30 2002-10-04 A diffraction device for providing wavelength selective feedback in a tunable optical source

Country Status (1)

Country Link
GB (1) GB2386754B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6254991A (en) * 1985-09-04 1987-03-10 Hitachi Ltd Semiconductor laser
US5463647A (en) * 1993-02-25 1995-10-31 The United States Of America As Represented By The Secretary Of The Air Force Broadband multi-wavelength narrow linewidth laser source using an electro-optic modulator
US5384799A (en) * 1993-09-09 1995-01-24 Martin Marietta Corporation Frequency stabilized laser with electronic tunable external cavity
US6041071A (en) * 1995-09-29 2000-03-21 Coretek, Inc. Electro-optically tunable external cavity mirror for a narrow linewidth semiconductor laser
JP2000174397A (en) * 1998-12-02 2000-06-23 Nec Corp Multiple wavelength light source unit and oscillation frequency control method
US6947453B2 (en) * 2002-01-17 2005-09-20 Optitune Plc Tunable diffractive device

Also Published As

Publication number Publication date
GB2386754A (en) 2003-09-24
GB2386754B (en) 2005-11-02

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Legal Events

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

Effective date: 20171004