Coherent detection of ultrasound using spectral hole burning media

Jian Wei Tay; Patrick M. Ledingham; Jevon J. Longdell

doi:10.1117/12.875605

11 February 2011 Coherent detection of ultrasound using spectral hole burning media

Jian Wei Tay, Patrick M. Ledingham, Jevon J. Longdell

Proceedings Volume 7948, Advances in Photonics of Quantum Computing, Memory, and Communication IV; 794809 (2011) https://doi.org/10.1117/12.875605
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

We demonstrate the optical detection of ultrasound using spectral hole burning in a cryogenic rare earth ion doped crystal. The dispersion due to the hole is used to perform phase to amplitude modulation conversion. This method allows sensitive detection of ultrasonic displacements with the advantage of large étendue. This method is also attractive as it requires only moderate absorption contrast to achieve high sensitivity. We also describe a method for diode laser stabilisation using optical feedback through spectral holes which dramatically reduces the laser phase noise.

Citation Download Citation

Jian Wei Tay, Patrick M. Ledingham, and Jevon J. Longdell "Coherent detection of ultrasound using spectral hole burning media", Proc. SPIE 7948, Advances in Photonics of Quantum Computing, Memory, and Communication IV, 794809 (11 February 2011); https://doi.org/10.1117/12.875605

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