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Abstract:A flash-lamp pumped passively mode-locked neodymium-doped vanadate lasers operated at 1.34 µm wavelength have been developed using a novel saturable absorber consisted of single-wall carbon nanotubes incorporated in a polymer matrix. Laser pulses with the output energy up to 50 µJ and the duration of 30 ps were generated.

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Self-Raman frequency conversion in a diode-pumped passively Q-switched Nd:GdVO 4 laser has been demonstrated. The use of LiF:F − 2 crystal as a saturable absorber has provided effective Q-switching of the Nd:GdVO 4 laser with high pulse energy. The laser pulse duration at the 1 st Stokes wavelength 1174 nm was as short as 500 ps. Diode-to-Raman optical conversion efficiency more than 2 % at the pulse peak power of 9 kW was achieved.a.u. Nd:GdVO4 Raman laser temporal characteristics