Optical fiber detector based on light diffraction

机译：基于光衍射的光纤探测器

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We describe a new kind of fiber optics device, which detects directly sound and other perturbations with high sensitivity. The fiber works as a sound transducer able to detect human voice of low power levels. The phase changes, induced by sound waves in the propagating through the fiber light beam, generate amplitude changes after the beam is diffracted at the exit end of the fiber. A specially designed electronic system processes the signal which can be used for sound reproduction and detection. The system can also be used as an all purposes detector for the registration of subsonic and ultrasonic acoustic waves, direct pressure, temperature changes and other external fields

机译：我们描述了一种新型的光纤设备，该设备可以高灵敏度地直接检测声音和其他干扰。光纤用作声音传感器，可以检测低功率级别的人声。声束在传播通过光纤光束时由声波引起的相位变化会在光束在光纤的出口端发生衍射后产生振幅变化。专门设计的电子系统处理可用于声音再现和检测的信号。该系统还可用作通用探测器，用于记录亚音速和超声波，直接压力，温度变化和其他外部场

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来源
《RIAO/OPTILAS 2004》|2004年|P.939-943|共5页
会议地点 Porlamar (VE)
作者
A. Marcano O.; L. Rodriguez; J. Ramirez;
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作者单位

Centro de Fisica, Instituto Venezolano de Investigaciones Cientificas, Caracas 1020A, Apartado 21827, Venezuela;

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会议组织
原文格式 PDF
正文语种 eng
中图分类应用光学;
关键词
fiber optics detector; phase detector; light diffraction;

机译：光纤探测器;相位探测器;光衍射;

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3. Optical fiber coupled light emitting diode based absorbance detector with a reflective flow cell [J] . Jambunathan Sivakumar Talanta: The International Journal of Pure and Applied Analytical Chemistry . 1999,第3期

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4. Optical fiber detector based on light diffraction [C] . Aristides A. Marcano O., L. Rodriguez, J. Ramirez Iberoamerican Meeting on Optics;Latin American Meeting on Optics, Lasers, and Their Applications;International Commission for Optics Regional Meeting . 2004

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6. A Fiber-Based Ratiometric Optical Cardiac Mapping Channel Using a Diffraction Grating and Split Detector [O] . Ninita H. Brown, Hana M. Dobrovolny, Daniel J. Gauthier, 2007

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7. A Fiber-Based Ratiometric Optical Cardiac Mapping Channel Using a Diffraction Grating and Split Detector [O] . Ninita H. Brown, Hana M. Dobrovolny, Y Daniel J. Gauthier, 2015

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8. Study of electro-optical modulators for transfer of detector signals by optical fibers. [R] . Tsang, T., Radeka, V., Srinivasan-Rao, T., 1990

机译：用于通过光纤传输探测器信号的电光调制器的研究。

Optical fiber detector based on light diffraction

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