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Optimization of a Color-Center Q-Switched Nd:YLF Laser

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Abstract

An easy and unexpensive optimization method for passive Q-switching of Nd pulsed lasers using LiF:F2 color centers has been proposed and experimentally verified, showing that these centers can be a feasible alternative for an all solid state Q-switched laser. 12 MW peak power in a single pulse of 9 ns FWHM was obtained by proper choice of the output coupling and saturable absorber transmission. Complete mode-locking was also observed indicating a possible stimulated decayment of the F2; centers contribuiting to the field and providing a very fast gate during the intense bursts of the pulse.

© 1990 Optical Society of America

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