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High power laser with Nd:YAG single-crystal fiber grown by micro-pulling-down technique

Abstract : We present optical characterization and laser results achieved with single-crystal fibers directly grown by the micro-pulling-down technique. We investigate the spectroscopic and optical quality of the fiber, and we present the first laser results. We achieved a cw laser power of 10W at 1064 nm for an incident pump power of 60W at 808 nm and 360 kW peak power for 12 ns pulses at 1 kHz in the Q-switched regime. It is, to the best of our knowledge, the highest laser power ever achieved with directly grown single-crystal fibers
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Submitted on : Wednesday, May 23, 2012 - 4:10:05 PM
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Julien Didierjean, Marc Castaing, François Balembois, Patrick Georges, Didier Perrodin, et al.. High power laser with Nd:YAG single-crystal fiber grown by micro-pulling-down technique. Optics Letters, Optical Society of America, 2006, 31 (23), pp.3468-3470. ⟨10.1364/ol.31.003468⟩. ⟨hal-00700667⟩

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