Abstract
We present recent progress at ILE, Osaka University in plasma recombination-pumped XUV lasers produced by a CO2 laser. One way to produce large-population inversion with this scheme is rapid cooling of the gain medium keeping a high electron density, because the three-body recombination probability is proportional to the square of the electron density.1 We used a cylinder-type target made of 30-μm thick parylene (C8H8) whose diameter and length are 3 and 4 mm.
© 1988 Optical Society of America
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