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Proceedings Paper

Characterization of High Power Flashlamps and Application to Nd:Glass Laser Pumping
Author(s): H. T. Powell; A. C. Erlandson; K. S. Jancaitis
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Paper Abstract

Detailed spectral and temporal measurements of the output radiation from Xe flashlamps are reported together with their use in predicting the pumping efficiency of Md-doped laser glass. We have made absolute spectral-intensity measurements for 0.F, 1.5, and 4.2-cm-bore flashlamps for input powers ranging from F to 90 kW/cm2 and pulselengths of 600 vs. Under quasi-stationary conditions these flashlamps emit essentially identical spectra when excited at equal input power per unit-area of the bore. This behavior is characteristic of an optically-thick radiator although it is not completely clear why flashlamps should behave this way. A simple model is also described which accounts for the transient response of flashlamps by characterizing the output spectra and radiation efficiencies in terms of the radiant output power rather than the electrical input power.

Paper Details

Date Published: 30 June 1986
PDF: 17 pages
Proc. SPIE 0609, Flashlamp Pumped Laser Technology, (30 June 1986); doi: 10.1117/12.966623
Show Author Affiliations
H. T. Powell, University of California (United States)
A. C. Erlandson, University of California (United States)
K. S. Jancaitis, University of California (United States)

Published in SPIE Proceedings Vol. 0609:
Flashlamp Pumped Laser Technology
Felix Schuda, Editor(s)

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