Abstract

Simultaneous multiple-wavelength cw laser operations were achieved in two types of composite laser rod composed of Nd³⁺:YAG and Nd³⁺:YLF crystals, which were laser diode (LD) pumped within a single virtual-point-source cavity. As much as 30 W of total output at 1064- and 1047-nm wavelengths was obtained under 150-W LD input power, with approximately 25% from the 1047-nm wavelength. Different bonding methods were compared, showing that the use of an optical adhesive is effective and presents no deterioration at low and middle power levels. Simultaneous multiple-wavelength operation at 1064- and 1053-nm wavelengths was also studied.

© 1999 Optical Society of America

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