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Conference Paper
Conference on Lasers and Electro-Optics
San Jose, California United States
May 4-9, 2008
ISBN: 978-1-55752-859-9
CLEO/QELS Poster Session III (JThA)

A New Kind of Laser Microphone Using High Sensitivity Pulsed Laser Vibrometer

Chen-Chia Wang, Sudhir Trivedi, Feng Jin, V Swaminathan, and Narasimha S. Prasad

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Abstract

We demonstrate experimentally a new laser microphone using a highly sensitive pulsed laser vibrometer. By using the photo-electromotive-force (photo-EMF) sensors, we present data indicating the real-time detection of surface displacements as small as 4 pm.

© 2008 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(110.5125) Imaging systems : Photoacoustics

Citation
C. Wang, S. Trivedi, F. Jin, V. Swaminathan, and N. S. Prasad, "A New Kind of Laser Microphone Using High Sensitivity Pulsed Laser Vibrometer," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JThA62.
http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2008-JThA62


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