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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JWA64
  • https://doi.org/10.1364/CLEO.2009.JWA64

Sound Recording by Laser Interferometry

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Abstract

A Fabry-Perot etalon is used to form a novel type of microphone. Refractive index dependant transmission is proportional to sound pressure over a large dynamic range. The current of the laser diode is tuned to take into account environmental influences.

© 2009 Optical Society of America

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