High-power red beam generation by frequency-doubling of a Nd:YAGlaser

摘要

This letter reports the generation of 6.1 W of red laser radiationnby frequency-doubling a Nd:YAG laser operating at a wavelength of 1.319nΜm with a KTP crystal. The conversion efficiency and the stability ofnthe red output power were both improved through the suppression by meansnof a thin etalon of two-wavelength operation in the 1.3-Μm region