Characterization of ejected fused silica particles following surface breakdown with nanosecond pulses

Rajesh N. Raman; Selim Elhadj; Raluca A. Negres; Manyalibo J. Matthews; Michael D. Feit; Stavros G. Demos

doi:10.1364/OE.20.027708

Characterization of ejected fused silica particles following surface breakdown with nanosecond pulses

Rajesh N. Raman, Selim Elhadj, Raluca A. Negres, Manyalibo J. Matthews, Michael D. Feit, Stavros G. Demos

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The light emission produced near the surface of fused silica following laser-induced breakdown on the exit surface was spatially and spectrally resolved. This signal is in part generated by ejected particles while traveling outside the hot ionized region. The thermal emission produced by the particles can be separated from the plasma emission near the surface and its spectral characteristics provide information on the temperature of the particles after ejection from the surface. Assuming the emission is thermal in origin, data suggest an initial average temperature on the order of at least 0.5 eV.

Original language	English (US)
Pages (from-to)	27708-27724
Number of pages	17
Journal	Optics Express
Volume	20
Issue number	25
DOIs	https://doi.org/10.1364/OE.20.027708
State	Published - Dec 3 2012
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Characterization of ejected fused silica particles following surface breakdown with nanosecond pulses",

abstract = "The light emission produced near the surface of fused silica following laser-induced breakdown on the exit surface was spatially and spectrally resolved. This signal is in part generated by ejected particles while traveling outside the hot ionized region. The thermal emission produced by the particles can be separated from the plasma emission near the surface and its spectral characteristics provide information on the temperature of the particles after ejection from the surface. Assuming the emission is thermal in origin, data suggest an initial average temperature on the order of at least 0.5 eV.",

author = "Raman, {Rajesh N.} and Selim Elhadj and Negres, {Raluca A.} and Matthews, {Manyalibo J.} and Feit, {Michael D.} and Demos, {Stavros G.}",

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AU - Raman, Rajesh N.

AU - Elhadj, Selim

AU - Negres, Raluca A.

AU - Matthews, Manyalibo J.

AU - Feit, Michael D.

AU - Demos, Stavros G.

PY - 2012/12/3

Y1 - 2012/12/3

N2 - The light emission produced near the surface of fused silica following laser-induced breakdown on the exit surface was spatially and spectrally resolved. This signal is in part generated by ejected particles while traveling outside the hot ionized region. The thermal emission produced by the particles can be separated from the plasma emission near the surface and its spectral characteristics provide information on the temperature of the particles after ejection from the surface. Assuming the emission is thermal in origin, data suggest an initial average temperature on the order of at least 0.5 eV.

AB - The light emission produced near the surface of fused silica following laser-induced breakdown on the exit surface was spatially and spectrally resolved. This signal is in part generated by ejected particles while traveling outside the hot ionized region. The thermal emission produced by the particles can be separated from the plasma emission near the surface and its spectral characteristics provide information on the temperature of the particles after ejection from the surface. Assuming the emission is thermal in origin, data suggest an initial average temperature on the order of at least 0.5 eV.

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