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Optical transducer and method of use

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04R-023/00
출원번호 US-0031159 (1993-03-12)
발명자 / 주소
  • Yakymyshyn Christopher P. (Schenectady NY) Lotshaw William T. (Schenectady NY) Hurley Donna C. (Albany NY)
출원인 / 주소
  • General Electric Company (Schenectady NY 02)
인용정보 피인용 횟수 : 53  인용 특허 : 0

초록

An optical transducer, such as used in an ultrasound system, includes a signal laser which generates an optical signal the frequency of which varies in correspondence with acoustic energy incident on the transducer. An optical cavity in the signal laser is disposed such that incident acoustic energy

대표청구항

An optical transducer for detecting acoustic energy propagated through a medium, the transducer comprising: a transducer housing, and a signal laser mounted in said transducer housing, said signal laser comprising a single optical cavity having an optical path axis, a lasing medium disposed in said

이 특허를 인용한 특허 (53)

  1. O'Donnell Matthew ; Hamilton James D. ; Vossler Gerald ; Brooks Cameron, Active fiber-optic opto-acoustic detector.
  2. Ambs, Loran; Yakymyshyn, Chris, Apparatus for microchip laser geo-sensors.
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  4. Fuqian Tang, Device and method for correcting astigmatism by laser ablation.
  5. Yavitz Edward Q., Device and method for simulating ophthalmic surgery.
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  11. Tang Fuqian ; Hwang Ming-Yi, Method and apparatus for controlling scanning of an ablating laser beam.
  12. John Karl Shimmick ; George Caudle ; Kingman Yee ; Stephen J. Koons, Method and system for ablating surfaces with partially overlapping craters having consistent curvature.
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  17. J. T. Lin, Ophthalmic surgery method using non-contact scanning laser.
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  19. Granz,Bernd; Nanke,Ralf, Optical hydrophone for a shock-wave field with long service life.
  20. Eberle, Michael J.; Bates, Kenneth N.; Morey, William W., Optical imaging probe.
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  24. Eberle, Michael J.; Tasker, Diana Margaret; Rourke, Howard Neil, Optical ultrasound receiver.
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  27. Vardi, Gil M.; Spivak, Victor, Optical-acoustic imaging device.
  28. Lowell Scott Smith ; Anil Raj Duggal, Optically controlled ultrasonic sensor.
  29. Benett William ; Celliers Peter ; Da Silva Luiz ; Glinsky Michael ; London Richard ; Maitland Duncan ; Matthews Dennis ; Krulevich Peter ; Lee Abraham, Opto-acoustic transducer for medical applications.
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  31. Lin, Jui-Teng, Refractive surgical laser apparatus and method.
  32. Sugita,Mitsuro, Sensor.
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  35. Yakymyshyn,Christopher P.; Law,William Q.; Hagerup,William A., Signal acquisition probing system using a micro-cavity laser.
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  38. Koste, Glen P.; Dasgupta, Samhita; Nielsen, Matthew Christian; Shih, Min Yi; Filkins, Robert John; Tolliver, Todd Ryan; Haider, Bruno Hans, System and method for optical data transmission in ultrasound imaging.
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  44. Picard, Emmanuel; Hadji, Emmanuel, Tuneable active microcavity and related method for making same.
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  50. Campbell, Ewan Fraser; Beswick, Tony John; Caplen, Peter, Ultrasonic/acoustic transducer.
  51. Liu Yung Sheng,TWX ; Smith Lowell Scott, Ultrasound imaging system and method using a quantum well-device for enabling optical interconnections.
  52. Dasgupta,Samhita; Nielsen,Matthew Christian; Shih,Min Yi; Filkins,Robert John; Tolliver,Todd Ryan; Haider,Bruno Hans, Ultrasound system.
  53. Yakymyshyn,Christopher P.; Piwonka Corle,Timothy R.; Law,William Q.; Hagerup,William A., Variable attenuation signal acquisition probing and voltage measurement systems using an electro-optical cavity.
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