Paper
30 December 1981 Pulsed Visible Laser Flow And Acoustics
C. Knight, K. Tong, P. Singh, B. Srivastava
Author Affiliations +
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.
© (1981) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. Knight, K. Tong, P. Singh, and B. Srivastava "Pulsed Visible Laser Flow And Acoustics", Proc. SPIE 0293, Wavefront Distortions in Power Optics, (30 December 1981); https://doi.org/10.1117/12.932333
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Cited by 1 scholarly publication.
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KEYWORDS
Acoustics

Excimer lasers

Laser resonators

Turbulence

Attenuators

Pulsed laser operation

Adaptive optics

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