Interaction and reflection of incoherent beams in media with thermal nonlinearity

D. V. Gorbach; A. P. Sukhorukov; A. L. Tolstik

doi:10.1117/12.751403

17 July 2007 Interaction and reflection of incoherent beams in media with thermal nonlinearity

D. V. Gorbach, A. P. Sukhorukov, A. L. Tolstik

Proceedings Volume 6725, ICONO 2007: Nonlinear Space-Time Dynamics; 672515 (2007) https://doi.org/10.1117/12.751403
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

Abstract

The reflection mechanisms are analyzed for the incoherent light beams interacting in a medium with thermal nonlinearity. The propagation geometry of the light beams within a cell with absorbing organic dye is determined, and the intensities of laser radiation associated with the nonlinear reflection effect are estimated. It is demonstrated that on nonlinear reflection one can observe transformation of the spatial structure of a signal beam. The reflected light beam occupies the region associated with the geometric reflection of the signal beam from the reference one. It is found that a thermal lens formed when a laser is operating in the pulsed mode is transformed as a vertical thermal "plate" due to the convection currents of the dye solution.

Citation Download Citation

D. V. Gorbach, A. P. Sukhorukov, and A. L. Tolstik "Interaction and reflection of incoherent beams in media with thermal nonlinearity", Proc. SPIE 6725, ICONO 2007: Nonlinear Space-Time Dynamics, 672515 (17 July 2007); https://doi.org/10.1117/12.751403

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