Analysis of spectral and spatial characteristics of tin laser plasma

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.

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Energy, temporal, and spatial characteristics of vacuum ultraviolet radiation emitted by a laser plasma

Quantum Electronics ◽

10.1070/qe1994v024n03abeh000063 ◽

1994 ◽

Vol 24 (3) ◽

pp. 245-249

Author(s):

A P Golub' ◽

S B Mikhailov ◽

V A Rybakov ◽

T Ya Sukhanov

Keyword(s):

Ultraviolet Radiation ◽

Laser Plasma ◽

Vacuum Ultraviolet ◽

Spatial Characteristics ◽

Vacuum Ultraviolet Radiation ◽

Temporal And Spatial ◽

Temporal And Spatial Characteristics

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Measurement of the Spatial Characteristics of Erosion Laser Plasma of Silicon Using Compact High-Resolution Spectrometers

Measurement Techniques ◽

10.1007/s11018-021-01893-6 ◽

2021 ◽

Author(s):

B. A. Lapshinov ◽

N. I. Timchenko

Keyword(s):

High Resolution ◽

Laser Plasma ◽

Spatial Characteristics

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Ultraviolet Absorption of Refractory Elements by a Dual Laser Plasma Method

International Astronomical Union Colloquium ◽

10.1017/s0252921100107821 ◽

1988 ◽

Vol 102 ◽

pp. 243-246

Author(s):

J.T. Costello ◽

W.G. Lynam ◽

P.K. Carroll

Keyword(s):

Absorption Spectra ◽

Laser Plasma ◽

Optical Pulse ◽

Ionic Species ◽

Neutral Species ◽

Plasma Method ◽

Plasma Technique ◽

Refractory Elements ◽

Delay Times ◽

Dual Laser

AbstractThe dual laser-produced plasma technique for the study of ionic absorption spectra has been developed by the use of two Q-switched ruby lasers to enable independent generation of the absorbing and back-lighting plasmas. Optical pulse handling is used in the coupling cicuits to enable reproducible pulse delays from 250 nsec. to 10 msec, to be achieved. At delay times > 700 nsec. spectra of essentially pure neutral species are observed. The technique is valuable, not only for obtaining the neutral spectra of highly refractory and/or corrosive materials but also for studying behaviour of ionic species as a function of time. Typical spectra are shown in Fig. 1.

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