CA971629A - Acousto-optic filter having electrically variable resolution - Google Patents

Acousto-optic filter having electrically variable resolution

Info

Publication number
CA971629A
CA971629A CA140,088A CA140088A CA971629A CA 971629 A CA971629 A CA 971629A CA 140088 A CA140088 A CA 140088A CA 971629 A CA971629 A CA 971629A
Authority
CA
Canada
Prior art keywords
acousto
electrically variable
optic filter
variable resolution
resolution
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
Application number
CA140,088A
Other languages
English (en)
Other versions
CA140088S (en
Inventor
John R. Hearn
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.)
HP Inc
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of CA971629A publication Critical patent/CA971629A/en
Expired legal-status Critical Current

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
    • G02F1/01—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
    • G02F1/116—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 using an optically anisotropic medium, wherein the incident and the diffracted light waves have different polarizations, e.g. acousto-optic tunable filter [AOTF]

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Lasers (AREA)
CA140,088A 1971-06-16 1972-04-20 Acousto-optic filter having electrically variable resolution Expired CA971629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15378771A 1971-06-16 1971-06-16

Publications (1)

Publication Number Publication Date
CA971629A true CA971629A (en) 1975-07-22

Family

ID=22548741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,088A Expired CA971629A (en) 1971-06-16 1972-04-20 Acousto-optic filter having electrically variable resolution

Country Status (6)

Country Link
US (1) US3729251A (member.php)
CA (1) CA971629A (member.php)
CH (1) CH546959A (member.php)
DE (1) DE2228617A1 (member.php)
FR (1) FR2142004B1 (member.php)
GB (1) GB1322689A (member.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272825A (en) * 1979-05-21 1981-06-09 Lansing Research Corporation Temperature compensation of tunable acoustic optical filters
US4886346A (en) * 1988-02-16 1989-12-12 Westinghouse Electric Corp. Method and apparatus for improving the angular aperture of an aodlf
US4896949A (en) * 1988-04-27 1990-01-30 Westinghouse Electric Corp. Acousto-optic tunable bandpass filter with strong sideband suppression
DE102006053187A1 (de) * 2006-11-09 2008-05-15 Leica Microsystems Cms Gmbh Akustooptisches Bauteil
DE102014009142A1 (de) * 2014-06-20 2015-12-24 Carl Zeiss Microscopy Gmbh Verfahren und Vorrichtung zur Ansteuerung eines akustooptischen Bauteils

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450990A (en) * 1957-01-16 1969-06-17 Gilfillan Corp Frequency indication system
US3307408A (en) * 1966-08-10 1967-03-07 Int Research & Dev Co Ltd Synchronous filter apparatus in which pass-band automatically tracks signal, useful for vibration analysis
US3614204A (en) * 1969-03-07 1971-10-19 Bell Telephone Labor Inc Acoustic light deflection cells
US3626315A (en) * 1970-04-07 1971-12-07 Sperry Rand Corp Voltage-controlled oscillator selectively injection locked to stable frequency harmonics
US3632193A (en) * 1970-06-17 1972-01-04 Hewlett Packard Co Method and apparatus for control of light transmission through an anisotropic medium
US3667038A (en) * 1970-06-17 1972-05-30 Hewlett Packard Co Acousto-optic rf spectrum analysis method and apparatus

Also Published As

Publication number Publication date
GB1322689A (en) 1973-07-11
CH546959A (de) 1974-03-15
DE2228617A1 (de) 1973-01-04
FR2142004A1 (member.php) 1973-01-26
US3729251A (en) 1973-04-24
FR2142004B1 (member.php) 1977-12-23

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