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  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper C454

All-fiber Heterodyne Laser Doppler Vibrometry for Acousto-optic communication

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Abstract

A novel all-fiber heterodyne Laser Doppler Vibrometry (LDV) for acousto-optic communication has been developed in this paper. A line width of 1 kHz single mode continuous fiber laser, two acousto-optic frequency shifters (AOFS), two balanced photodetectors and one telescope with 30 mm aperture were used in this LDV. Using the above system setup, the 6 kHz signal can be reconstructed by detecting the vibration of a glass sticking on the piezoceramic transducer (PZT). The proposed vibration measurement technique proved to be very accurate and potential to acquire the acoustic signal by experimental results.

© 2011 AOS

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