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A simple kinetic model for electron-beam-pumped KrF lasers

Published online by Cambridge University Press:  09 March 2009

E. C. Harvey
Affiliation:
Rutherford Appleton Laboratory, Chilton, Didcot, Oxon 0X11 OQXUnited Kingdom
M. J. Shaw
Affiliation:
Rutherford Appleton Laboratory, Chilton, Didcot, Oxon 0X11 OQXUnited Kingdom

Abstract

A kinetic model for KrF is presented that, by neglecting all but the most important kinetic processes, adequately describes the performance of electron-beam-pumped KrF lasers by a few, simple analytical expressions. The expression for the saturation intensity as a function of pump rate and gas composition is checked by measurements of gain saturation in both argon-rich and krypton-rich laser mixtures. The effects of fluorine burn-up are considered and are shown to impose a fundamental relationship between output fluence and efficiency of KrF laser amplifiers.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1991

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