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Proceedings Paper

Output power characteristics of the neutral xenon long laser
Author(s): Gary J. Linford
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Paper Abstract

Lasers which oscillate within inhomogeneously broadened gain media exhibit spectral hole burning and concomitant reduction in output power compared with equivalent homogeneously broadened laser gain media. By increasing the cavity length, it may be possible to demonstrate at least a partial transition from an inhomogeneous laser cavity mode spectrum to a homogeneous spectrum. In neutral xenon lasers the inhomogeneous spectral broadening mechanism arises from Doppler shifts of individual atoms in thermal motion within the electric discharge comprising the laser gain medium. Optical transitions corresponding to these noble gas atoms have natural linewidths. Simulations of the output power characteristics of the xenon laser were carried out as a function of laser cavity parameters, including the cavity length, L. These calculations showed that when the intracavity mode spacing frequency, c/2L < (Delta) (nu) n, the inhomogeneously broadened xenon mode spectrum converted to a homogeneously broadened oscillation spectrum with an increase in output power. These simulations are compared with experimental results obtained for the long laser oscillation characteristics of the (5d[5/2]2 degree(s) yields 6p[3/2]1) transition corresponding to the strong, high-gain 3.508 (mu) line in xenon.

Paper Details

Date Published: 1 April 1994
PDF: 12 pages
Proc. SPIE 2117, Modeling and Simulation of Laser Systems III, (1 April 1994); doi: 10.1117/12.171673
Show Author Affiliations
Gary J. Linford, TRW Space & Electronics Group (United States)

Published in SPIE Proceedings Vol. 2117:
Modeling and Simulation of Laser Systems III
Alvin D. Schnurr, Editor(s)

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