DE2967058D1 - Liquid crystal acousto-optic cell and visualisation device comprising such a cell - Google Patents

Liquid crystal acousto-optic cell and visualisation device comprising such a cell

Info

Publication number
DE2967058D1
DE2967058D1 DE7979400745T DE2967058T DE2967058D1 DE 2967058 D1 DE2967058 D1 DE 2967058D1 DE 7979400745 T DE7979400745 T DE 7979400745T DE 2967058 T DE2967058 T DE 2967058T DE 2967058 D1 DE2967058 D1 DE 2967058D1
Authority
DE
Germany
Prior art keywords
cell
liquid crystal
optic
visualisation device
acousto
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
DE7979400745T
Other languages
English (en)
Inventor
Jean-Luc Dion
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.)
DION JEAN LUC
Original Assignee
DION JEAN LUC
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 DION JEAN LUC filed Critical DION JEAN LUC
Application granted granted Critical
Publication of DE2967058D1 publication Critical patent/DE2967058D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G01N29/2425—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics optoacoustic fluid cells therefor
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Multimedia (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Liquid Crystal (AREA)
DE7979400745T 1978-10-13 1979-10-12 Liquid crystal acousto-optic cell and visualisation device comprising such a cell Expired DE2967058D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA313,460A CA1112750A (fr) 1978-10-13 1978-10-13 Cellule acousto-optique a cristal liquide

Publications (1)

Publication Number Publication Date
DE2967058D1 true DE2967058D1 (en) 1984-07-19

Family

ID=4112613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979400745T Expired DE2967058D1 (en) 1978-10-13 1979-10-12 Liquid crystal acousto-optic cell and visualisation device comprising such a cell

Country Status (4)

Country Link
US (1) US4338821A (de)
EP (1) EP0010492B1 (de)
CA (1) CA1112750A (de)
DE (1) DE2967058D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379408A (en) * 1981-01-12 1983-04-12 Raj Technology Partnership Liquid crystal technique for examining internal structures
US4506550A (en) * 1981-02-06 1985-03-26 Raj Technology Partnership Non-destructive testing system employing a liquid crystal detector cell
US4393712A (en) * 1981-09-08 1983-07-19 Raj Technology Partnership Portable liquid crystal testing device
US4492107A (en) * 1982-03-22 1985-01-08 Raj Technology Partnership Acoustic power meter
EP0113941A1 (de) * 1983-01-17 1984-07-25 Raj Technology Partnership Akusto-optische Flüssigkristalldetektorzelle
US4651567A (en) * 1985-09-13 1987-03-24 Raj Technology, Inc. Non-coherent frequency source and sector scanning apparatus for ultrasonic imaging system using a liquid crystal detector cell
US4679436A (en) * 1986-08-05 1987-07-14 Raj Technology, Inc. Reciprocating method and apparatus for producing uniform ultrasonic field for use in liquid crystal based acoustical imaging
US4788865A (en) * 1986-11-26 1988-12-06 Raj Technology, Inc. Construction of liquid crystal cell for acoustic imaging
US5477736A (en) * 1994-03-14 1995-12-26 General Electric Company Ultrasonic transducer with lens having electrorheological fluid therein for dynamically focusing and steering ultrasound energy
EP0696435A3 (de) * 1994-08-10 1997-03-12 Hewlett Packard Co Ultraschall-Prüfkopf
US5796003A (en) * 1996-01-30 1998-08-18 Sandhu; Jaswinder S. Acoustic imaging systems
US6049411A (en) * 1998-10-14 2000-04-11 Santec Systems Inc Optical imager for birefringent detector acoustic imaging systems
US6321023B1 (en) 2000-06-20 2001-11-20 Honghui Wang Serial imager for birefringent detector acoustic imaging systems
GB0021114D0 (en) * 2000-08-29 2000-10-11 Univ Sheffield Method and apparatus for determining thickness of lubricant film
US7576853B2 (en) * 2005-06-10 2009-08-18 The Research Foundation Of State University Of New York Electronically modulated dynamic optical phantoms for biomedical imaging
US20120289813A1 (en) * 2007-07-16 2012-11-15 Arnold Stephen C Acoustic Imaging Probe Incorporating Photoacoustic Excitation
GB2461909A (en) * 2008-07-17 2010-01-20 South Bank Univ Entpr Ltd Sound absorbing device
CN102264304B (zh) * 2008-10-15 2014-07-23 罗切斯特大学 利用多功能声透镜的光声成像
US7770689B1 (en) * 2009-04-24 2010-08-10 Bacoustics, Llc Lens for concentrating low frequency ultrasonic energy
JP5574927B2 (ja) * 2010-11-19 2014-08-20 キヤノン株式会社 測定装置
DE102012216284A1 (de) * 2011-09-27 2013-03-28 Carl Zeiss Smt Gmbh Mikrolithographische Projektionsbelichtungsanlage
CN103675100B (zh) * 2013-12-20 2016-04-27 中国船舶重工集团公司第七一五研究所 一种测量水声材料透声性能角谱的方法
EP3189520B1 (de) * 2014-09-05 2021-11-17 The University of Washington Beschränkung oder bewegung eines objekts unter verwendung fokussierter ultraschallwellen zur erzeugung einer ultraschallintensitätskavität
JP2017083577A (ja) * 2015-10-26 2017-05-18 学校法人同志社 液晶分子配向制御方法および液晶デバイス
JP6414994B2 (ja) * 2016-12-06 2018-10-31 学校法人同志社 液晶可変焦点レンズおよび焦点距離制御方法
CN114627849A (zh) * 2022-03-18 2022-06-14 淮阴工学院 一种基于变换声学的声波幻觉器件

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914684C (de) * 1948-10-02 1954-07-08 Anna Elisabeth Bolz Geb Ullric Akustisches UEbertragungssystem
US3597043A (en) * 1969-05-02 1971-08-03 Polacoat Inc Nematic liquid crystal optical elements
US3707323A (en) * 1970-11-06 1972-12-26 Zenith Radio Corp Liquid crystal devices and systems for ultrasonic imaging
US3972733A (en) * 1971-01-29 1976-08-03 Agency Of Industrial Science & Technology Method for producing electrical energy by means of liquid crystal devices
US3831434A (en) * 1972-03-23 1974-08-27 Vari Light Corp Methods and apparatus for image display of sound waves and utilizations thereof
FR2248529B1 (de) * 1973-10-19 1978-02-17 Thomson Csf
US3991606A (en) * 1974-11-08 1976-11-16 Minnesota Mining And Manufacturing Company Apparatus and method for converting mechanical wave energy to optical energy
DE2742220A1 (de) * 1976-10-12 1978-04-13 Arco Ag Verfahren zur herstellung von abbildungen mechanischer schwingungen, deren frequenz im ultraschallbereich liegt und geraet zur ausfuehrung desselben
US4156558A (en) * 1977-08-04 1979-05-29 Grumman Aerospace Corporation Incoherent to coherent transducer and method of manufacture

Also Published As

Publication number Publication date
EP0010492B1 (de) 1984-06-13
CA1112750A (fr) 1981-11-17
EP0010492A2 (de) 1980-04-30
EP0010492A3 (en) 1980-05-14
US4338821A (en) 1982-07-13

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee