Abstract
Optical emission characteristics of zirconium (Zr) plasma produced by the fundamental (1064 nm) and second (532 nm) harmonics of an Nd:YAG laser are studied. The temperature measurements have been estimated through the Boltzmann plot method whereas; number density is calculated using Stark broadening profile of 535.07 nm (5p 3 G → 5s 1 H) transitions. The variation in the temperature and number density at different laser irradiance has also been investigated using spectroscopic technique. It is observed that temperature and number density increases as laser irradiance is increased. The temperature is also calculated by varying distance from the target surface along the line of propagation of plasma plume.
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Hanif, M., Salik, M. Optical emission characterization of laser ablated zirconium plasma. Opt. Spectrosc. 118, 631–638 (2015). https://doi.org/10.1134/S0030400X15040062
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DOI: https://doi.org/10.1134/S0030400X15040062