15 February 2018 Excited argon 1s5 production in micro-hollow cathode discharges for use as potential rare gas laser sources
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Abstract
The diode-pumped rare gas laser (DPRGL) has been suggested as a potential high-gain, high-energy laser which requires densities on the order of 1013 cm−3 at pressures around 1 atmosphere for efficient operation. Argon 1s5 number densities have been measured in micro-hollow cathode discharges with electrode gaps of 127 and 254 μm and hole diameters from 100-400 μm. The dependency of the metastable argon (1s5) density on total gas pressure, electrode gap distance and hole diameter were explored. The measured densities were all in the range of 0.5 − 2 × 1013 cm−3 with the 400 μm hole diameters being the lowest.
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Richard D. Peterson, Richard D. Peterson, Ben Eshel, Ben Eshel, Christopher A. Rice, Christopher A. Rice, Glen P. Perram, Glen P. Perram, } "Excited argon 1s5 production in micro-hollow cathode discharges for use as potential rare gas laser sources", Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105112K (15 February 2018); doi: 10.1117/12.2287511; https://doi.org/10.1117/12.2287511
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