Optically pumped Cs vapor lasers: pump-to-laser beam overlap optimization Conference Paper uri icon


  • We present the results of an experimental study of Ti: Sapphire pumped Cs laser and theoretical modeling of these results, where we focused on the influence of the pump-to- laser beam overlap, a crucial parameter for optimizing the output laser power. The dependence of the output laser power on the incident pump power was found for varying pump beam cross-section widths and for a constant laser beam. Maximum laser power> 370 mW with an optical-to-optical efficiency of 43% and slope efficiency~ 55% was obtained. Non monotonic dependence of the laser power and threshold power on the pump beam radius (at a given pump power) was observed with a maximum laser power and minimum threshold power achieved at the ratio~ 0.7 between the optimal pump beam and laser beam radius. A simple optical model of the laser, where Gaussian spatial shapes of the pump …

publication date

  • January 1, 2017