Percolation and emission spectra of a laser plasma upon ablation of silicon and silicon-containing composites
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- D.V. Skobel'tsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University, Moscow (Russian Federation)
The emission spectra of plasmas produced near the surface of silicon and sulphur samples and their mixtures by nanosecond and millisecond laser pulses are studied in a broad range of pressures of buffer gases. The percolation dependences are obtained for composite Si-S, Si-SiO{sub 2}, and SiO{sub 2}-S targets. It is found that experimental percolation thresholds coincide with the typical threshold for three-dimensional continual percolation. (interaction of laser radiation with matter. laser plasma)
- OSTI ID:
- 21456887
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 5 Vol. 36; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ABLATION
BUFFERS
CHALCOGENIDES
DISPERSIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
EMISSION SPECTRA
LASER RADIATION
LASER TARGETS
LASER-PRODUCED PLASMA
MINERALS
MIXTURES
NONMETALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PLASMA
PLASMA PRODUCTION
PULSES
RADIATIONS
SEMIMETALS
SILICA
SILICON
SILICON COMPOUNDS
SILICON OXIDES
SPECTRA
SULFUR
SURFACES
TARGETS
ABLATION
BUFFERS
CHALCOGENIDES
DISPERSIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
EMISSION SPECTRA
LASER RADIATION
LASER TARGETS
LASER-PRODUCED PLASMA
MINERALS
MIXTURES
NONMETALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PLASMA
PLASMA PRODUCTION
PULSES
RADIATIONS
SEMIMETALS
SILICA
SILICON
SILICON COMPOUNDS
SILICON OXIDES
SPECTRA
SULFUR
SURFACES
TARGETS