Thermal effects in Er:strengthened-glass laser

Michael M. Tilleman; Steven M. Jackel; Inon Moshe

doi:10.1117/12.311908

24 June 1998 Thermal effects in Er:strengthened-glass laser

Michael M. Tilleman, Steven M. Jackel, Inon Moshe

Author Affiliations +

Proceedings Volume 3264, High-Power Lasers; (1998) https://doi.org/10.1117/12.311908
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

We report the development of a high-power Er:strengthened- glass laser emitting at the eye-safe 1.535 μm wavelength. The flashlamp pumped Cr:Yb:Er:glass produced 330 mJ output @ 0.45% slope efficiency. Thermo-optical measurements indicated strong thermal lensing, of 16 diopter/kW and mild birefringence induced depolarization of 5% at 200 W. In terms of radial and birefringence elastooptical coefficients these data determine the values of 0.075 ± 0.002 and 0.0094, respectively. For a hemispherical resonator configuration a TEM₀₀ beam was achieved.

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Michael M. Tilleman, Steven M. Jackel, and Inon Moshe "Thermal effects in Er:strengthened-glass laser", Proc. SPIE 3264, High-Power Lasers, (24 June 1998); https://doi.org/10.1117/12.311908

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