Abstract

The losses in a trap detector resulting from absorption of part of the diffusely scattered laser radiation in its walls are analyzed. The results of measurements of the indicatrix of diffusely scattered radiation from the working surfaces of Hamamatsu S6337 and S1337 photodiodes are presented. An approximate model of the propagation of radiation in a trap detector, taking into account the actual shape of the scattering indicatrix, is constructed. The effect of the number of diffuse radiation scattering events and the number of its reflections on the accuracy with which the loss is calculated and their dependence on the polarization of the incident laser radiation are investigated.

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