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Measurement of the spatial characteristics of an erosive silicon laser plasma using small-sized high-resolution spectrometers
https://doi.org/10.32446/0368-1025it.2021-1-38-42
Abstract
The spatial characteristics of the erosion laser plasma are investigated. The application of small-sized spectrometers of the visible and ultraviolet ranges for recording the spectrum of plasma radiation is considered. Erosive laser plasma is formed on the surface of a silicon target under the action of pulsed laser radiation with a wavelength of 1064 nm under normal atmospheric conditions. The laser plasma torch was scanned using a movable slit diaphragm oriented parallel to the target surface. The emission of erosion laser plasma was recorded using small-size spectrometers. Based on the obtained plasma emission spectra, the dependences of the intensity of the spectral lines of silicon on the geometric position of the slit diaphragm are revealed. A comparison is made of the intensities of the spectral lines of silicon on the polished and grinded sides of the target.
About the Authors
B. A. Lapshinov
Research Institute of Advanced Materials and Technologies
Russian Federation
Russian Federation
Boris A. Lapshinov
Moscow
N. I. Timchenko
Research Institute of Advanced Materials and Technologies
Russian Federation
Russian Federation
Nikolay I. Timchenko
Moscow
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Review
For citations:
Lapshinov B.A., Timchenko N.I. Measurement of the spatial characteristics of an erosive silicon laser plasma using small-sized high-resolution spectrometers. Izmeritel`naya Tekhnika. 2021;(1):38-42. (In Russ.) https://doi.org/10.32446/0368-1025it.2021-1-38-42
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