GB8816250D0 - Low noise opto-electronic correlators & mixers - Google Patents

Low noise opto-electronic correlators & mixers

Info

Publication number
GB8816250D0
GB8816250D0 GB8816250A GB8816250A GB8816250D0 GB 8816250 D0 GB8816250 D0 GB 8816250D0 GB 8816250 A GB8816250 A GB 8816250A GB 8816250 A GB8816250 A GB 8816250A GB 8816250 D0 GB8816250 D0 GB 8816250D0
Authority
GB
United Kingdom
Prior art keywords
opto
mixers
low noise
correlators
electronic
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.)
Withdrawn
Application number
GB8816250A
Other versions
GB2225505A (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.)
Evrard J K A
Original Assignee
Evrard J K A
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 Evrard J K A filed Critical Evrard J K A
Priority to GB8816250A priority Critical patent/GB2225505A/en
Publication of GB8816250D0 publication Critical patent/GB8816250D0/en
Publication of GB2225505A publication Critical patent/GB2225505A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3118—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR using coded light-pulse sequences
    • 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
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
    • H01L31/09—Devices sensitive to infrared, visible or ultraviolet radiation
GB8816250A 1988-07-07 1988-07-07 Low noise optoelectronic correlators and mixers Withdrawn GB2225505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8816250A GB2225505A (en) 1988-07-07 1988-07-07 Low noise optoelectronic correlators and mixers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8816250A GB2225505A (en) 1988-07-07 1988-07-07 Low noise optoelectronic correlators and mixers

Publications (2)

Publication Number Publication Date
GB8816250D0 true GB8816250D0 (en) 1988-08-10
GB2225505A GB2225505A (en) 1990-05-30

Family

ID=10640082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8816250A Withdrawn GB2225505A (en) 1988-07-07 1988-07-07 Low noise optoelectronic correlators and mixers

Country Status (1)

Country Link
GB (1) GB2225505A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243210A (en) * 1989-08-30 1991-10-23 Jeremy Kenneth Arthur Everard Distributed optical fibre sensor
JP3191062B2 (en) * 1992-03-03 2001-07-23 株式会社アドバンテスト Frequency converter
CN101035455A (en) * 2005-07-26 2007-09-12 三菱电机株式会社 Hand dryer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491241A (en) * 1968-02-19 1970-01-20 Inventors & Investors Inc Modulation of current flow in a semiconductor
CA1023040A (en) * 1973-08-20 1977-12-20 Ali Javan Electron tunneling device

Also Published As

Publication number Publication date
GB2225505A (en) 1990-05-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)