We describe the output performances of the 942 nm 4 F 3/2 → 4 I 9/2 transition in Nd:GSAG under diode-laser pumping. An end-pumped Nd:GSAG crystal yielded 3.7 W of continuous-wave output power for 17.8 W of absorbed pump power. The slope efficiency with respect to the absorbed pump power was 23.4%. Furthermore, with 17.8 W of diode pump power and the frequency-doubling crystal LiB 3 O 5 (LBO), a maximum output power of 572 mW in the blue spectral range at 471 nm has been achieved, corresponding to an optical-tooptical conversion efficiency of 3.2%; the output power stability over 4 h is better than 4.1%. Output powers at 942 and 471 nm versus pump power at 808 nm
A dual-wavelength continuous wave (CW) diodepumped Nd:YAB laser that generates simultaneous laser action at the wavelengths 1062 and 1338 nm is demonstrated. A total output power of 278 mW at the two fundamental wavelengths was achieved at the absorbed pump power of 9.8 W. Furthermore, generation of yellow laser light at 592 nm produced by Type-I self-sum-frequency-mixing of both fundamental waves is observed under non-optimal phase matching conditions. With a diode pump power of 9.8 W, TEM00 mode yellow laser at 592 nm of 37 mW is obtained. The power stability in 4 h is better than 3.3%. Dependence of the output power at 592 nm on absorbed pump power
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