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Proceedings Paper

Pulsed Visible Laser Flow And Acoustics
Author(s): C. Knight; K. Tong; P. Singh; B. Srivastava
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Paper Abstract

Exciplex lasers operate at visible and near ultraviolet wavelengths and the medium homogeneity requirement to produce a near diffraction-limited beam from such a laser is suite stringent: (δρ/ρ) rms-5x10-5. This study addresses flow and acoustic issues involved in achieving good beam quality from a rep-pulsed system. A specially designed blowdown facility was used to demonstrate experimentally that the required level of baseline flow homogeneity could be achieved. Theoretical models were developed to understand the performance of an acoustic attenuation system involving sidewall mufflers placed immediately upstream and downstream of the laser cavity. The flow clearing process after single and multiple pulses with such mufflers has been studied in the blowdown facility using movie interferometry.

Paper Details

Date Published: 30 December 1981
PDF: 10 pages
Proc. SPIE 0293, Wavefront Distortions in Power Optics, (30 December 1981); doi: 10.1117/12.932333
Show Author Affiliations
C. Knight, Avco Everett Research Laboratory, Inc. (United States)
K. Tong, Avco Everett Research Laboratory, Inc. (United States)
P. Singh, Avco Everett Research Laboratory, Inc. (United States)
B. Srivastava, Avco Everett Research Laboratory, Inc. (United States)

Published in SPIE Proceedings Vol. 0293:
Wavefront Distortions in Power Optics
Claude A. Klein, Editor(s)

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