Ultrahigh-resolution, wide-field-of-view Cs optical filter for doubled Nd lasers

Abstract

We report a simple theoretical model for the calculation of the dependence of filter quantum efficiency versus laser pump power in an atomic Cs vapor laser-excited optical filter. We present the calculations for Cs filter transition that can be used to detect the practical and important frequency-doubled Nd lasers. The results of these calculations show the filter's quantum efficiency versus the laser pump power. The laser pump powers required range from 0.7 to 15 mW per square centimeter of filter aperture.