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Proceedings Paper

High peak-power passively Q-switched all-ceramics Nd:YAG/Cr4+:YAG lasers
Author(s): Nicolaie Pavel; Masaki Tsunekane; Takunori Taira
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Paper Abstract

The output performances of a compact, passively Q-switched Nd:YAG/Cr4+:YAG laser were investigated using single crystals and poli-crystalline ceramics Nd:YAG with doping level between 1.0 and 2.0-at.% Nd, and single crystals and poli-crystalline ceramics Cr4+:YAG with various initial transmission. Q-switch laser pulses at 1.06 μm with energies up to 2 mJ and duration below 1 ns were realized at a pump repetition rate of 10 Hz. An all-ceramics Nd:YAG/Cr4+:YAG laser could be a solution for ignition of automotive engines. The optical intensity of a laser pulse with ns duration that induces optical air breakdown was determined.

Paper Details

Date Published: 17 May 2010
PDF: 6 pages
Proc. SPIE 7469, ROMOPTO 2009: Ninth Conference on Optics: Micro- to Nanophotonics II, 746903 (17 May 2010); doi: 10.1117/12.859680
Show Author Affiliations
Nicolaie Pavel, Institute for Molecular Science (Japan)
National Institute for Laser, Plasma and Radiation Physics (Romania)
Masaki Tsunekane, Institute for Molecular Science (Japan)
Takunori Taira, Institute for Molecular Science (Japan)

Published in SPIE Proceedings Vol. 7469:
ROMOPTO 2009: Ninth Conference on Optics: Micro- to Nanophotonics II
Valentin I. Vlad, Editor(s)

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