Optoacoustic effect from a point source moving in a circular orbit

Wenyu Bai; Gerald J. Diebold

doi:10.1117/12.2250026

3 March 2017 Optoacoustic effect from a point source moving in a circular orbit

Wenyu Bai, Gerald J. Diebold

Proceedings Volume 10064, Photons Plus Ultrasound: Imaging and Sensing 2017; 100644I (2017) https://doi.org/10.1117/12.2250026
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

The optoacoustic effect is almost invariably produced by intensity modulated radiation, typically from a pulsed or an amplitude modulated continuous source. Given the form of the wave equation that describes the production of sound from absorption of light, it is clear that steady sources of radiation that move in space in an absorbing medium can also generate acoustic waves. Here the properties of a point source of radiation that rotates in a plane at a constant angular frequency are discussed. The source is shown to generate a spiral wave pattern that contains both compressions and rarefactions.

Citation Download Citation

Wenyu Bai and Gerald J. Diebold "Optoacoustic effect from a point source moving in a circular orbit", Proc. SPIE 10064, Photons Plus Ultrasound: Imaging and Sensing 2017, 100644I (3 March 2017); https://doi.org/10.1117/12.2250026

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