Concept of equivalent temperature of the nonlinear-optical crystal interacting with nonuniform laser radiation

25th IUPAP Conference on Computational Physics

物理学;计算机科学

Ryabushkin, O.A.^1,2 ; Myasnikov, D.V.^1 ; Konyashkin, A.V.^1,2 ; Ulyanov, I.S.^1

Moscow Institute of Physics and Technology, Institutskiy per. 9, Dolgoprudnyy 141700, Russia^1

Kotelnikov Institute of Radio-engineering and Electronics, RAS, Vvedensky Sq. 1, Fryazino 141190, Russia^2

关键词: Equivalent temperature;    Laser physics;    Measured values;    Nonlinear optical crystal;    Physical parameters;    Theoretical modeling;    Thermal response;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/510/1/012033/pdf
DOI  :  10.1088/1742-6596/510/1/012033

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

Experimental criterion was determined for application of equivalent temperature of nonlinear-optical crystal heated both uniformly and nonuniformly by laser radiation with known spatial distribution of intensity. Novel coefficients are introduced in laser physics that characterize thermal response of crystal to the laser radiation propagating through it. Theoretical model is proposed for calculation of these coefficients. Physical parameters of nonlinear-optical crystals were determined that have significant influence upon correspondence between calculated and measured values of introduced coefficients.