Emission characteristics and parameters of tin and CuSbSe2 laser plumes

Abstract

The emission characteristics and parameters of laser plumes of tin and CuSbSe2 compound are studied at distances of 1 and 7 mm from the target. The recombination times of singly and doubly charged tin ions are, respectively, 116 and 27 ns at a distance of 1 mm from the target and 148 and 64 ns at a distance of 7 mm. In the case of the CuSbSe2 compound, the recombination times of antimony and copper ions are determined to be, respectively, 60 and 75 ns at a distance of 1 mm and 707 and 976 ns at a distance of 7 mm. The time-averaged temperatures and concentrations of electrons of the tin laser plasma are determined at a distance of 7 mm from the target (T e = 0.42 eV and n e = 2.9 × 1015 cm−3), and the same parameters for the laser plasma based on the CuSbSe2 compound are determined at distances of 1 and 7 mm from the target (T e = 0.62 eV, n e = 1.4 × 1016 cm−3 and T e = 0.86 eV, n e = 8.4 × 1015 cm−3).