DE3879169D1 - Optische rasterfilter fuer das trennen koheraenter strahlungen. - Google Patents

Optische rasterfilter fuer das trennen koheraenter strahlungen.

Info

Publication number
DE3879169D1
DE3879169D1 DE8888908805T DE3879169T DE3879169D1 DE 3879169 D1 DE3879169 D1 DE 3879169D1 DE 8888908805 T DE8888908805 T DE 8888908805T DE 3879169 T DE3879169 T DE 3879169T DE 3879169 D1 DE3879169 D1 DE 3879169D1
Authority
DE
Germany
Prior art keywords
coheraen
radiations
separating
optical grid
grid filters
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 - Fee Related
Application number
DE8888908805T
Other languages
English (en)
Other versions
DE3879169T2 (de
Inventor
R O'meara
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE3879169D1 publication Critical patent/DE3879169D1/de
Application granted granted Critical
Publication of DE3879169T2 publication Critical patent/DE3879169T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • 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 
    • G02F1/11—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 acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0211—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods for measuring coherence

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE8888908805T 1987-08-10 1988-07-05 Optische rasterfilter fuer das trennen koheraenter strahlungen. Expired - Fee Related DE3879169T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8341087A 1987-08-10 1987-08-10
PCT/US1988/002247 WO1989001644A1 (en) 1987-08-10 1988-07-05 Optical notch filter for discriminating against coherent radiation

Publications (2)

Publication Number Publication Date
DE3879169D1 true DE3879169D1 (de) 1993-04-15
DE3879169T2 DE3879169T2 (de) 1993-06-17

Family

ID=22178134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888908805T Expired - Fee Related DE3879169T2 (de) 1987-08-10 1988-07-05 Optische rasterfilter fuer das trennen koheraenter strahlungen.

Country Status (5)

Country Link
EP (1) EP0326612B1 (de)
JP (1) JPH02500547A (de)
DE (1) DE3879169T2 (de)
IL (1) IL87732A (de)
WO (1) WO1989001644A1 (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799652A (en) * 1971-03-05 1974-03-26 Thomson Csf Optical deflection system with acousto optical cell and associated prisms
DE2315658C3 (de) * 1973-03-29 1980-11-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Vorrichtung zur Verminderung oder Beseitigung der bei Laserstrahlprojektionen auftretenden Granulation
JPS51135671A (en) * 1975-05-20 1976-11-24 Matsushita Electric Ind Co Ltd Light signal modulation system
JPS5474766A (en) * 1977-11-28 1979-06-15 Dainippon Screen Mfg Method of stabilizing light amount in light modulator
JPS5512976A (en) * 1978-07-14 1980-01-29 Mitsubishi Electric Corp Multi beam light modulation deflector
US4443066A (en) * 1981-06-17 1984-04-17 Hazeltine Corporation Acousto-optical apparatus for shifting a beam of light
GB2138584B (en) * 1983-04-23 1986-09-17 Standard Telephones Cables Ltd Acousto-optic deflector systems
GB8410973D0 (en) * 1984-04-30 1984-06-06 Crosfield Electronics Ltd Modifying coherent radiation
DE3432566A1 (de) * 1984-09-05 1986-03-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur ablenkung eines lichtstrahls

Also Published As

Publication number Publication date
EP0326612B1 (de) 1993-03-10
EP0326612A1 (de) 1989-08-09
JPH0587807B2 (de) 1993-12-20
DE3879169T2 (de) 1993-06-17
JPH02500547A (ja) 1990-02-22
WO1989001644A1 (en) 1989-02-23
IL87732A (en) 1993-01-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee