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Practical, visible wavelength nuclear-pumped laser

Published online by Cambridge University Press:  09 March 2009

Y.R. Shaban and
G.H. Miley
Y.R. Shaban
Affiliation:
University of Illinois at Urbana-Champaign, Fusion Studies Laboratory, Urbana, IL 61801
G.H. Miley
Affiliation:
University of Illinois at Urbana-Champaign, Fusion Studies Laboratory, Urbana, IL 61801
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Abstract

A practical, visible nuclear-pumped laser (NPL) has been sought at the University of Illinois and other laboratories for a number of years. Yet, the results from successful visible NPLs to date have not been fully satisfactory, e.g., the threshold pumping power is too high for conventional applications. Progress in recent studies of 3He-Ne-H2 as a candidate NPL operating in the visible region at 585.3 nm on the 2P1,-1S2 Ne transition is described. We obtained lasing on the above transition for 3He-Ne-H2 concentrations of 1,140, 588, and 412 torr, respectively, with the laser cavity placed in the beamport of the University of Illinois TRIGA reactor. The threshold thermal neutron flux is 1014 n/cm2-s, corresponding to a threshold pumping power of 5 W/cm3.

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 3 , September 1993, pp. 559 - 566
Copyright
Copyright © Cambridge University Press 1993

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