30 April 2003 Linear and nonlinear optical effects in aerosol particles stimulated by femtosecond laser pulse
Author Affiliations +
Proceedings Volume 4976, Atmospheric Propagation; (2003) https://doi.org/10.1117/12.479194
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States
Abstract
A problem of optical effects in aerosol particles is considered in the tasks of atmospheric femtosecond optics. Based on numerical solution of a problem on diffraction of plane wave of femtosecond duration by a weekly absorbing spherical particle, the spatial-temporal structure of the internal light field is studied. An existence of a multi-mode exciting regime of whispering galler modes is found. It is shown that a decrease of this factor at transition from the monochromatic wave to the femtosecond pulse results in significant decrease of intense internal field in the points of its maxima. A possibility to generate stimulated radiation in a particle at the Stokes frequencies and the third harmonics frequencies is also discussed. The thresholds of nonlinear optical effects under the condition of femtosecond laser pulse action on a dielectric microsphere are considered.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alexander A. Zemlyanov, Yuri E. Geints, "Linear and nonlinear optical effects in aerosol particles stimulated by femtosecond laser pulse", Proc. SPIE 4976, Atmospheric Propagation, (30 April 2003); doi: 10.1117/12.479194; https://doi.org/10.1117/12.479194
PROCEEDINGS
10 PAGES


SHARE
Back to Top