Examination of propagation process of annular beam in random media

Tatsuo Shiina; Yosuke Tsuge; Toshio Honda

doi:10.1117/12.723167

16 May 2007 Examination of propagation process of annular beam in random media

Tatsuo Shiina, Yosuke Tsuge, Toshio Honda

Proceedings Volume 6585, Optical Sensing Technology and Applications; 658524 (2007) https://doi.org/10.1117/12.723167
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

Propagation characteristics of an annular beam through random media (high-concentrated scattering media) were examined for detail. In nature, the light propagation in random media is classified broadly into two categories; exponential attenuation by the directly delivered light and moderate attenuation by the scattering light. The authors found that the annular beam had discriminative propagation related to the waveform transformation into the non-diffractive beam by self-focusing of an annular beam between the above two categories. In this study, central core beam and its behavior, which appeared on optical axis when the annular beam propagated in the random media of a certain concentration, were investigated.

Citation Download Citation

Tatsuo Shiina, Yosuke Tsuge, and Toshio Honda "Examination of propagation process of annular beam in random media", Proc. SPIE 6585, Optical Sensing Technology and Applications, 658524 (16 May 2007); https://doi.org/10.1117/12.723167

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