Djl. Birkin et al., 3.6 mW blue light by direct frequency doubling of a diode laser using an aperiodically poled lithium niobate crystal, APPL PHYS L, 78(21), 2001, pp. 3172-3174
3.6 mW blue (490 nm) light has been generated from a frequency-doubled, gai
n-switched InGaAs/GaAs diode laser using an aperiodically poled lithium nio
bate crystal. The matching of the crystal acceptance bandwidth to the laser
spectral profile resulted in significant improvements to the conversion ef
ficiency. (C) 2001 American Institute of Physics.