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Proceedings Paper

Picosecond laser system based on microchip oscillator seed
Author(s): Razvan Dabu; Aurel Stratan; Constantin Fenic; Constantin Blanaru; Laurentiu Rusen
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Paper Abstract

A compact near-diffraction-limited picosecond microchip oscillator-amplifier system was developed. When pumped by 0.9-W average power pulsed radiation, the microchip generated 9-μJ energy pulses of 400-ps duration at 1-kHz rate, in a nearly TEM00 transversal mode (beam quality factor, M2 < 1.1). The microchip output was amplified up to 12-mJ pulse-energy at 1-10 Hz repetition rate in a two-pass flash-pumped Nd:YAG amplifier. We used the 1064-nm output beam for nonlinear conversion to 532-nm second harmonic (SH) and 266-nm fourth harmonic (FH). The pulse-energy of SH and FH output was 6-mJ and 1.6-mJ, respectively, which corresponds to 50 % and 13 % conversion efficiency.

Paper Details

Date Published: 5 June 2008
PDF: 6 pages
Proc. SPIE 7022, Advanced Laser Technologies 2007, 70221B (5 June 2008); doi: 10.1117/12.804110
Show Author Affiliations
Razvan Dabu, National Institute for Lasers, Plasma and Radiation Physics (Romania)
Aurel Stratan, National Institute for Lasers, Plasma and Radiation Physics (Romania)
Constantin Fenic, National Institute for Lasers, Plasma and Radiation Physics (Romania)
Constantin Blanaru, National Institute for Lasers, Plasma and Radiation Physics (Romania)
Laurentiu Rusen, National Institute for Lasers, Plasma and Radiation Physics (Romania)


Published in SPIE Proceedings Vol. 7022:
Advanced Laser Technologies 2007

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