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Proceedings Paper

Kinetic and experimental study on the influence of the inside tube diameter on the UV ion Ne-CuBr laser output parameters
Author(s): Nikolay K. Vuchkov; Krasimir A. Temelkov; Peter V. Zahariev; Nikola V. Sabotinov
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Paper Abstract

A simplified model, describing the kinetic processes in a nanosecond pulsed longitudinal Ne-CuBr discharge afterglow, is made. It is shown that the influence of the active zone diameter decrease on the inversion population and hence on the output power and the laser pulse on the 248.6 nm line is due to the more effective population of the upper laser level, because of the higher neon ion density and mainly because of the more effective depopulation of the lower laser level. Optimal discharge conditions for UV laser operation are found for different active zone diameters of the laser tube - 12 mm, 9.5 mm, 9 mm, 8 mm, 5.8 mm, 5.7 mm, 5.2 mm and 4 mm. With diameter reduction a record average laser power of 1.3 W is obtained at multiline output. The highest peak pulse and average output powers are measured on the 248.6-nm laser line for the UV Cu+I lasers - 3.25 W and 0.85 W, respectively. The obtained specific average laser power is 56.6 mW.cm-3 at an active volume of 23 cm3.

Paper Details

Date Published: 26 March 2002
PDF: 8 pages
Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); doi: 10.1117/12.460115
Show Author Affiliations
Nikolay K. Vuchkov, Institute of Solid State Physics (Bulgaria)
Krasimir A. Temelkov, Institute of Solid State Physics (Bulgaria)
Peter V. Zahariev, Institute of Solid State Physics (Bulgaria)
Nikola V. Sabotinov, Institute of Solid State Physics (Bulgaria)


Published in SPIE Proceedings Vol. 4747:
International Conference on Atomic and Molecular Pulsed Lasers IV

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