Near infrared lasing transitions in Ar,Kr, and Xe atoms pumped by a coaxial e-beam |
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Authors: | P J M Peters Mei Qi-Chu W J Witteman |
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Institution: | (1) Physics Department, University of Twente, NL-7500 AE Enschede, The Netherlands;(2) Present address: Institute of Electronics, Academia Sinica, Beijing, People's Republic of China |
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Abstract: | Optimizations of gas composition and input energy were performed for gas mixtures containing a buffer gas and either Ar, Kr or Xe as the lasing gas. The total gas pressure was varied between 1 and 14 bar and the input energy from 0.03 to 0.7 J/cm3. The excitation source was a small coaxial electron beam with a pumping length of 20 cm and a pulse length of 30 ns (FWHM). From an active volume of 13.3 cm3 a maximum output energy of 12 mJ was obtained from a gas mixture containing 0.3% Xe in Ar at a total gas pressure of 10 bar. The intrinsic efficiency was 0.9%. |
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Keywords: | 42 55 FN 41 80 Dd |
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