Integral and peak spontaneous Raman scattering cross sections for different orientation in GdVO4 and YVO4 crystals were measured to be up to 2 times higher in comparison with KGd(WO4)2 crystal. Stimulated Raman scattering threshold measurements under 11 ps pulse pumping were fulfilled. Self-Raman frequency conversion in diode pumped LiF:F2 passively Q-switched Nd3+ :GdVO4 laser was demonstrated. The output pulse duration as short as 500 ps was obtained at the 1st Stokes wavelength (1174 nm). Diode-to-Raman optical conversion efficiency of more than 2 % was obtained at the pulse peak power of 9 kW.

© 2004 Optical Society of America

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