Nd:YAIG Laser Cavity Loss due to an Internal Brewster Polarizer

1971/04/01 by M. A. Karr · 1 citation
Engineering · Physics and Astronomy · #Solid State Laser Technologies #Photorefractive and Nonlinear Optics #Advanced Fiber Laser Technologies

paper · doi:10.1364/ao.10.000893

Abstract

When an internal Brewster plate is used to polarize a Nd:YAIG laser, its output power generally decreases. This is shown to be largely due to the thermally induced birefringence in the laser rod, which causes a polarization rotation inside the optical cavity and hence a reflection loss at the polarizer. Calculation of this loss for a typical laser has been made and is compared to observed decreases in output power.

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