14 December 2016 Light induced lens response in nanosuspension
Author Affiliations +
Proceedings Volume 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics; 1017607 (2016) https://doi.org/10.1117/12.2268280
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 2016, Khabarovsk, Russia
Abstract
Thermal lens technique is widely used for the optical diagnostics of materials. The light-induced thermal lens in a homogeneous fluid is formed as a result of thermal expansion of a medium. In two-component fluid the heat flow also can cause concentration stream arising from occurrence of thermodiffusion (Soret effect). Another mechanism of optical nonlinearity of the medium is due to the forces operating on the particles of the dispersed phase in gradient light field. This paper analyzed the two-dimensional diffusion in the nanosuspension with two nonlinearities in a Gaussian beam radiation field. The light induced lens response is analyzed in the two-beam scheme when the reference and signal beams are of different wavelengths. As a result of the exact analytical solution of the problem the expression for the twocomponent medium lens response is achieved. The results are relevant to optical diagnostics of dispersed liquid materials, including the thermo-optical spectroscopy.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Valery I. Ivanov, Valery I. Ivanov, Galina D. Ivanova, Galina D. Ivanova, Vladimir K. Khe, Vladimir K. Khe, } "Light induced lens response in nanosuspension", Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 1017607 (14 December 2016); doi: 10.1117/12.2268280; https://doi.org/10.1117/12.2268280
PROCEEDINGS
8 PAGES


SHARE
Back to Top