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A New Kind of Laser Microphone Using High Sensitivity Pulsed Laser VibrometerWe demonstrate experimentally a new kind of 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.
Document ID
20080018709
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Wang, Chen-Chia (Brimrose Corp. of America Baltimore, MD, United States)
Trivedi, Sudhir (Brimrose Corp. of America Baltimore, MD, United States)
Jin, Feng (Brimrose Corp. of America Baltimore, MD, United States)
Swaminathan, V. (Army Missile Command Picatinny Arsenal, NJ, United States)
Prasad, Narasimha S. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 24, 2013
Publication Date
May 4, 2008
Subject Category
Acoustics
Meeting Information
Meeting: CLEO 2008
Location: San Jose CA
Country: United States
Start Date: May 4, 2008
End Date: May 9, 2008
Funding Number(s)
WBS: WBS 478643.02.02.02.15
Distribution Limits
Public
Copyright
Public Use Permitted.

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