Abstract

The theory required for description of the effect of the temperature rise that is due to self-induced heating on second-harmonic generation is developed and applied to the biaxial molecular crystal (-)2-α-(methylbenzylamino)-5-nitropyridine (MBANP). It is shown that for the range of parameters considered there is an optimum input power of the fundamental beam for highest second-harmonic conversion efficiency. A maximum efficiency of 61% was calculated for the optimum input power of 19.6 kW with a beam radius of 0.25 mm and an interaction length of 1.6 cm.

© 1999 Optical Society of America

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