Abstract
The current availability of high power laser diodes has given rise to a widespread interest in diode-laser-pumped, solid-state lasers. Diode-pumped minilasers are especially useful because of their excellent beam quality, and in particular a frequency- doubled Nd:YLF system is well-suited to the pumping of a Ti:Al2O3 crystal. To date, pulsed operation of Ti:Al2Ô3 lasers has been reported using frequency-doubled, mode- locked and Q-switched Nd:YLF,1,2 and frequency-doubled Q-switched Nd:YAG lasers.3 However, the relatively high oscillation threshold for continuous-wave operation of Ti:Al2O3 at around 1 W, has made diode-laser pumping rather difficult. More recently, commercial frequency-doubled, diode-laser pumped Nd:YAG lasers have achieved average powers suitable for pumping a Ti:Al2O3 laser, which had been specifically designed for low threshold operation at around 200 mW.4
© 1994 Optical Society of America
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