Efficient Operation of a Room-Temperature Nd:YAG 946-mm Laser Pumped withMultiple Diode Arrays

摘要

Efficient pulsed room temperature laser operation at 946 nm is reported forNd:YAG pumped with multiple diode array bars. We achieved high pump brightness by collimating the outputs from individual bars and focusing them onto the end of a short 3-mm diameter rod. An average power of 470 mW at 100 Hz was obtained with an optical slope efficiency of 15% based on incident pump power, and greater than 1 W of Output was obtained at 300 Hz. Intracavity frequency doubling with KNbO3 resulted in 40-70-mW output at 473 nm. Q switched operation is also reported.