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Opt Express. 2011 Nov 7;19(23):22510-4. doi: 10.1364/OE.19.022510.

Megawatt level UV output from [110] Cr⁴⁺:YAG passively Q-switched microchip laser.

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  • 1Institute for Molecular Science, Laser Research Center, 38 Nishigonaka, Myodaiji, Okazaki 444-8585, Japan. bhandari@ims.ac.jp

Abstract

Recent development of megawatt peak power, giant pulse microchip lasers has opened new opportunities for efficient wavelength conversion, provided the output of the microchip laser is linearly polarized. We obtain > 2 MW peak power, 260 ps, 100 Hz pulses at 266 nm by fourth harmonic conversion of a linearly polarized Nd:YAG microchip laser that is passively Q-switched with [110] cut Cr⁴⁺:YAG. The SHG and FHG conversion efficiencies are 85% and 51%, respectively.

PMID:
22109129
[PubMed]
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