Title :
Transient stimulated Raman scattering in lead vapor
Author :
Marshall, Larry R. ; Piper, James A.
Author_Institution :
Centre for Lasers & Applications, Macquarie Univ., NSW, Australia
fDate :
6/1/1990 12:00:00 AM
Abstract :
An investigation of stimulated Raman scattering (SRS) of short-pulse (6-ns) XeCl-laser radiation in Pb vapor is reported. Conversion efficiencies, based on peak power, up to 15% have been obtained for Pb-oven temperatures of 1260°C. The functional dependence of conversion efficiency, in the short-pulse regime, upon buffer-gas pressure and species differs significantly from that observed for long-pulse (>20-ns) pumping, corresponding to steady state behavior. Analysis of the data and comparison with transient SRS in H 2 yield an estimate of T2≈1ns for the transient response time T2 of Pb vapor. The observed pressure effects are explained in terms of a reduction in T2, and hence Raman gain, by collisions with buffer-gas atoms
Keywords :
high-speed optical techniques; lead; stimulated Raman scattering; 1 ns; 1260 degC; 6 ns; H2; Pb vapour; Pb-oven temperatures; Raman gain; XeCl-laser radiation; buffer-gas atoms; buffer-gas pressure; conversion efficiency; gas atom collisions; short-pulse regime; stimulated Raman scattering; transient SRS; transient response time; Data analysis; Lead; Pressure effects; Raman scattering; Steady-state; Temperature; Time factors; Transient analysis; Transient response; Yield estimation;
Journal_Title :
Quantum Electronics, IEEE Journal of
