Temperature measurement in plasma torch generated by moderate laser irradiation of multicomponent polycrystal rock surface

Laser interaction with metal and multicomponent polycrystal targets has been studied for laser intensities ranging from 1011 to 1012 W cm−2. The temperature inside the plasma, generated near the target surface, was measured with an x-ray filter method. The data obtained for aluminum and andesite tar...

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Bibliographic Details
Published in:Laser physics 2014-12, Vol.24 (12), p.126002
Main Authors: Timofeev, I S, Aleksandrov, N L, Burdonskiy, I N, Goltsov, A Yu, Makarov, K N, Putilin, M V, Yufa, V N, Leonov, A G
Format: Article
Language:English
Subjects:
filter method
laser-produced plasma
Mora's model
plasma temperature
thermocouple calorimeters
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Summary:Laser interaction with metal and multicomponent polycrystal targets has been studied for laser intensities ranging from 1011 to 1012 W cm−2. The temperature inside the plasma, generated near the target surface, was measured with an x-ray filter method. The data obtained for aluminum and andesite targets agree within experimental error with the results calculated on the basis of Mora's model of plasma expansion.
ISSN:1054-660X
1555-6611
DOI:10.1088/1054-660X/24/12/126002