Q-switch rise time effect in flash-pumped solid state lasers |
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Authors: | M B Alsous |
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Institution: | (1) 104 Sierra Vista Dr., 87544 Los Alamos, NM, USA |
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Abstract: | The effect of the rise time of the Pockels cell on the output laser pulse is investigated. The pump system in a flash pumped
Nd:YAG laser with unstable resonator is numerically analyzed and simulated. The time dependent flash discharge current is
calculated and the optical time-dependent variation of the flash pulse is deduced. The numerical simulation of the whole laser
gives the solution of the system of four level Nd:YAG differential rate equations. The pump power is considered variable and
dependent on the flash pump pulse shape and power. The Q-switch rise time is included in the rate equations as a variable
time dependant loss parameter. The laser pulse shape and output characteristics are calculated. Numerical and some experimental
results are presented and discussed. |
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Keywords: | |
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