A. Hildebrand et al., AMPLIFIED SPONTANEOUS EMISSION ON THE J=2-]1,3P-3S TRANSITION OF NEON-LIKE ARGON IN A CAPILLARY DISCHARGE, Physics letters. A, 221(5), 1996, pp. 335-338
We report the observation of amplified spontaneous emission on the J=2
-->1, 3p-3s transition (C-line) of neonlike argon at 69.78 nm in capil
laries of 6-mm bore. The simple discharge is driven by a small capacit
or bank having a capacitance of 0.1 mu F. Gain coefficients between G=
0.17 cm(-1) and G=0.25 cm(-1) are derived.