Scientific-Methodical Approaches to Measurements of Characteristics of Physical and Chemical Processes in Condensed Media Exposed to Laser Radiation and Their Experimental Realization

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Abstract

Scientific-methodical approaches to a study of nonlinear physicochemical processes are considered and an experimental setup intended for investigation of nonlinear physical and chemical processes accompanying irradiation of solids of various classes (including energetic materials) by UV, visible, and IR laser radiation is described. The possibility of synchronous multi-parameter measurements of the amplitude, spectral, kinetic, and spatial characteristics of the near-surface and bulk luminous laser plasma, solid-phase luminescence, acoustic pulses formed in the bulk of the samples, and morphology of residual damages has been demonstrated with a nanosecond time resolution. The energy density on the irradiated target surfaces varied from fractions of mJ/cm2 to 104 J/cm2 depending on the problem to be solved. The spectral range recorded for one irradiation pulse was 200–1100 nm, the spectral resolution was ~1.5 nm, and the spatial resolution was ~10 μm. A pressure pulse formed in the sample volume was recorded by an acoustic sensor with sensitivity of 0.15 V/bar and temporal resolution of ~5 ns.

Original languageEnglish
Pages (from-to)906-914
Number of pages9
JournalRussian Physics Journal
Volume62
Issue number5
DOIs
Publication statusPublished - 1 Sep 2019

Fingerprint

laser beams
pressure pulses
irradiation
acoustics
pulses
ultraviolet lasers
temporal resolution
laser plasmas
spectral resolution
infrared lasers
solid phases
flux density
spatial resolution
luminescence
damage
sensitivity
sensors
kinetics
lasers

Keywords

  • explosive luminescence
  • hot spots
  • inert and energetic materials
  • laser irradiation
  • laser plasma
  • optoacoustics
  • spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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title = "Scientific-Methodical Approaches to Measurements of Characteristics of Physical and Chemical Processes in Condensed Media Exposed to Laser Radiation and Their Experimental Realization",
abstract = "Scientific-methodical approaches to a study of nonlinear physicochemical processes are considered and an experimental setup intended for investigation of nonlinear physical and chemical processes accompanying irradiation of solids of various classes (including energetic materials) by UV, visible, and IR laser radiation is described. The possibility of synchronous multi-parameter measurements of the amplitude, spectral, kinetic, and spatial characteristics of the near-surface and bulk luminous laser plasma, solid-phase luminescence, acoustic pulses formed in the bulk of the samples, and morphology of residual damages has been demonstrated with a nanosecond time resolution. The energy density on the irradiated target surfaces varied from fractions of mJ/cm2 to 104 J/cm2 depending on the problem to be solved. The spectral range recorded for one irradiation pulse was 200–1100 nm, the spectral resolution was ~1.5 nm, and the spatial resolution was ~10 μm. A pressure pulse formed in the sample volume was recorded by an acoustic sensor with sensitivity of 0.15 V/bar and temporal resolution of ~5 ns.",
keywords = "explosive luminescence, hot spots, inert and energetic materials, laser irradiation, laser plasma, optoacoustics, spectroscopy",
author = "Tsipilev, {V. P.} and Oleshko, {V. I.} and Yakovlev, {A. N.} and Alekseev, {N. A.} and Nozdrina, {O. V.} and Mazur, {M. A.}",
year = "2019",
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T1 - Scientific-Methodical Approaches to Measurements of Characteristics of Physical and Chemical Processes in Condensed Media Exposed to Laser Radiation and Their Experimental Realization

AU - Tsipilev, V. P.

AU - Oleshko, V. I.

AU - Yakovlev, A. N.

AU - Alekseev, N. A.

AU - Nozdrina, O. V.

AU - Mazur, M. A.

PY - 2019/9/1

Y1 - 2019/9/1

N2 - Scientific-methodical approaches to a study of nonlinear physicochemical processes are considered and an experimental setup intended for investigation of nonlinear physical and chemical processes accompanying irradiation of solids of various classes (including energetic materials) by UV, visible, and IR laser radiation is described. The possibility of synchronous multi-parameter measurements of the amplitude, spectral, kinetic, and spatial characteristics of the near-surface and bulk luminous laser plasma, solid-phase luminescence, acoustic pulses formed in the bulk of the samples, and morphology of residual damages has been demonstrated with a nanosecond time resolution. The energy density on the irradiated target surfaces varied from fractions of mJ/cm2 to 104 J/cm2 depending on the problem to be solved. The spectral range recorded for one irradiation pulse was 200–1100 nm, the spectral resolution was ~1.5 nm, and the spatial resolution was ~10 μm. A pressure pulse formed in the sample volume was recorded by an acoustic sensor with sensitivity of 0.15 V/bar and temporal resolution of ~5 ns.

AB - Scientific-methodical approaches to a study of nonlinear physicochemical processes are considered and an experimental setup intended for investigation of nonlinear physical and chemical processes accompanying irradiation of solids of various classes (including energetic materials) by UV, visible, and IR laser radiation is described. The possibility of synchronous multi-parameter measurements of the amplitude, spectral, kinetic, and spatial characteristics of the near-surface and bulk luminous laser plasma, solid-phase luminescence, acoustic pulses formed in the bulk of the samples, and morphology of residual damages has been demonstrated with a nanosecond time resolution. The energy density on the irradiated target surfaces varied from fractions of mJ/cm2 to 104 J/cm2 depending on the problem to be solved. The spectral range recorded for one irradiation pulse was 200–1100 nm, the spectral resolution was ~1.5 nm, and the spatial resolution was ~10 μm. A pressure pulse formed in the sample volume was recorded by an acoustic sensor with sensitivity of 0.15 V/bar and temporal resolution of ~5 ns.

KW - explosive luminescence

KW - hot spots

KW - inert and energetic materials

KW - laser irradiation

KW - laser plasma

KW - optoacoustics

KW - spectroscopy

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