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Updated: Feb 3, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Laser-induced fluorescence diagnostic via pulsed lasers in an argon plasma
Qiaofeng Zhang1, Jinlin Xie1, Ming Luo1
1Department of Engineering and Applied Physics, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China.
Abstract:
Laser-induced fluorescence (LIF) using a pulsed laser is successfully applied in an argon plasma. The laser system consists of a pumping pulse laser fixed at 532 nm and a tunable dye laser. Using a homemade Fabry-Perot interferometer, the large linewidth of the original output is reduced by one order from 4 GHz to 340 MHz. The measured ion temperature is 0.15 eV with a velocity resolution about 200 m/s. It provides great possibility for the combination of LIF and planar LIF using the same pulsed laser system.
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