Abstract

We have achieved intracavity parametric conversion of the radiation from a laser based on Nd:YVO4 with high-power diode pumping. An LiF2- crystal was used as the passive Q-switch for the Nd:YVO4 laser. We have shown that by using an active element in the master laser with a passive region, we can form pulsed laser beams at a wavelength of 1.57 μm with peak power 3.2 kW and repetition rates up to 80 kHz, with beam quality parameter 1.4–1.8.

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