Optical reflection affected by the plane sound wave

Min Yen Yeh; Hung Ming Yen; Shan Cheng Pan; Wen Ruey Tsai; Chung Chen Hsieh; Rong Ceng Leou; Yao Song Lee

doi:10.1117/12.486953

21 August 2003 Optical reflection affected by the plane sound wave

Min Yen Yeh, Hung Ming Yen, Shan Cheng Pan, Wen Ruey Tsai, Chung Chen Hsieh, Rong Ceng Leou, Yao Song Lee

Proceedings Volume 5086, Laser Radar Technology and Applications VIII; (2003) https://doi.org/10.1117/12.486953
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

The optical wave would change its propagation path, as it encounters different dielectric media. The characteristic of the optical reflection would vary with different dielectric medium(n₂), while the optical beam is incident from air (n₁) into the medium (n₂). Generally, an acoustic wave would cause strain effect as it broadcasts in the medium (n₂) and leads to a change of refractive index Δn₂. The net refractive index of medium n₂ should be n₂+Δn₂. A plane sound wave would be adopted to be the acoustic source. As the result, the refractive index of medium n₂ should vary with the plane sound wave. We could evaluate the exist of acoustic wave underwater by accumulating the reflective optical signal. In this work, the typical ocean is taken to be the propagation medium(n₂) of plane sound wave. The simulation is to derive the data of optical reflection affected by different powers of plane sound wave. The result could be a considerable technology for optic-acoustic application.

Citation Download Citation

Min Yen Yeh, Hung Ming Yen, Shan Cheng Pan, Wen Ruey Tsai, Chung Chen Hsieh, Rong Ceng Leou, and Yao Song Lee "Optical reflection affected by the plane sound wave", Proc. SPIE 5086, Laser Radar Technology and Applications VIII, (21 August 2003); https://doi.org/10.1117/12.486953

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