Intramode and Fermi relaxation in CO2, their influence on multiple-pass, short-pulse energy extraction

R.A. Rooth, J.A. van der Pol, E.H. Haselhoff

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Abstract

Analytical, experimental and numerical results concerning the influence of intramode and Fermi relaxation on multiple-pass, nanosecond-pulse energy extraction are presented. Multiple-pass energy extraction experiments show satisfactory agreement with the analytical and numerical calculations which predict a significant increase in extracted energy. In three passes, an amount of 9.7 J/l was extracted at an efficiency of 4.3%, These values are taken with respect to the volume of the beam inside the amplifier. In a single pass only 3.5 J/l was extracted.
Original languageUndefined
Pages (from-to)103-110
JournalApplied physics B: Photophysics and laser chemistry
Volume42
Issue number2
DOIs
Publication statusPublished - 1987

Keywords

  • IR-85947

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