Effects of pump heating on laser and spectroscopic properties of the Nd:[YAl3(BO3)4] self-frequency-doubling laser

作者: D. Jaque , J. Capmany , J. Rams , J. Garcı́a Solé

DOI: 10.1063/1.371977

关键词:

摘要: In this work, thermal effects on the spectroscopic and laser properties of Nd:YAl3(BO3)4 crystal caused by pump heating are systematically investigated. Changes in refractive indices, absorption coefficient, emission band shape have been studied a temperature range 20–200 °C. Temperatures up to 88 °C measured thermally isolated when pumping with 800 mW power at 807 nm. A decrease infrared 1.06 μm its second harmonic (0.53 μm) generated self-frequency doubling is observed during early seconds operation. These reductions explained terms efficiency reduction phase mismatch (for harmonic) induced heating. Instabilities output (infrared green) initial action satisfactorily Fabry–Perot-induced interference effects.

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