22 April 2016 Plasma and laser kinetics and field emission from carbon nanotube fibers for an Advanced Noble Gas Laser (ANGL)
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Abstract
A metastable argon laser operating at 912 nm has been demonstrated by optically pumping with a pulsed titanium sapphire laser to investigate the temporal dynamics of an Advanced Noble Gas Laser (ANGL). Metastable argon concentrations on the order of 1011 cm-3 were maintained with the use of a radio frequency (RF) capacitively coupled discharge. The end-pumped laser produced output powers under 2 mW of average power with pulse lengths on the order of 100 ns. A comparison between empirical results and a four level laser model using longitudinally average pump and inter-cavity intensities is made. An alternative, highly-efficient method of argon metastable production for ANGL was explored using carbon nanotube (CNT) fibers.
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Paul J. Moran, Paul J. Moran, Nathaniel P. Lockwood, Nathaniel P. Lockwood, Matthew A. Lange, Matthew A. Lange, David A. Hostutler, David A. Hostutler, Eric M. Guild, Eric M. Guild, Matthew R. Guy, Matthew R. Guy, John E. McCord, John E. McCord, Greg A. Pitz, Greg A. Pitz, } "Plasma and laser kinetics and field emission from carbon nanotube fibers for an Advanced Noble Gas Laser (ANGL)", Proc. SPIE 9729, High Energy/Average Power Lasers and Intense Beam Applications IX, 97290C (22 April 2016); doi: 10.1117/12.2214790; https://doi.org/10.1117/12.2214790
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