Abstract
Compensation of thermally induced birefringence directed toward compensation of depolarization and bifocusing in laser rods is treated with simple beam transfer matrices. When we apply a 90-deg polarization-rotating element to a resonator, the radial and the tangential eigensolutions of the resonator change significantly. The effect of this alteration on the resonator’s stability is investigated in detail. The outcome is used to design a single- and double-rod resonator resulting in 53 W with an M 2 ≈ 1.5 and 182 W of output power with an M 2 ≈ 1.2, respectively.
© 2002 Optical Society of America
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