Diode-pumped regenerative amplifier delivering 100-mJ single-mode laser pulses

We report on a side-pumped Nd:phosphate laser regenerative amplifier that delivers laser pulses of as much as 100 mJ in a single TEM mode. The laser beam is mode matched to the amplification medium by an intracavity fused-silica phase plate for mode shaping and a telescope for adjustment of the beam...

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Published in:Optics letters 2001-03, Vol.26 (6), p.337-339
Main Authors: Bagnoud, V, Luce, J, Videau, L, Rouyer, C
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Language:English
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cited_by cdi_FETCH-LOGICAL-c288t-91f6de13ddc81936900a87800771ae6519078022ea51795ad0cf8e4dc1d76b9c3
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creator Bagnoud, V
Luce, J
Videau, L
Rouyer, C
description We report on a side-pumped Nd:phosphate laser regenerative amplifier that delivers laser pulses of as much as 100 mJ in a single TEM mode. The laser beam is mode matched to the amplification medium by an intracavity fused-silica phase plate for mode shaping and a telescope for adjustment of the beam mode to the amplification rod section such that most of the energy stored in the rod is transferred to the laser pulses. As a result of the good overlap and the low loss, an optical-to-optical conversion efficiency of as much as 10% was measured for a pumping current of 80 A and greater than 100-mJ output pulses.
doi_str_mv 10.1364/OL.26.000337
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title Diode-pumped regenerative amplifier delivering 100-mJ single-mode laser pulses
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