Simulation of birefringence in laser crystals

Thomas Graupeter; Christoph Pflaum

doi:10.1117/12.2037321

28 February 2014 Simulation of birefringence in laser crystals

Thomas Graupeter, Christoph Pflaum

Proceedings Volume 8959, Solid State Lasers XXIII: Technology and Devices; 89591S (2014) https://doi.org/10.1117/12.2037321
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

Thermal lensing e ects and birefringence in laser crystals strongly in uence beam quality of high power solid state lasers. Particularly, the e ects of birefringence are important in laser ampli ers using Nd:YAG crystals. To study these e ects, a simulation tool was developed, which allows to calculate birefringence in laser crystals for di erent kind of crystal cuts and pumping con gurations. The photoelastic e ects were accurately calculated by FE method. Simulation results are presented for di erent crystals and pumping. We also show that birefringence is not radially symmetric for a 111-cut Nd:YAG crystal, even when the pumping con guration is radially symmetric.

Citation Download Citation

Thomas Graupeter and Christoph Pflaum "Simulation of birefringence in laser crystals", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89591S (28 February 2014); https://doi.org/10.1117/12.2037321

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