Transient stimulated raman scattering in lead vapor

Larry R. Marshall, James A. Piper

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

An investigation of stimulated Raman scattering of shortpulse (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 H2, yields an estimate of T2 ≈ 1 ns 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.

Original languageEnglish
Pages (from-to)1098-1104
Number of pages7
JournalIEEE Journal of Quantum Electronics
Volume26
Issue number6
DOIs
Publication statusPublished - 1990

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