Spatial confinement effects in laser-induced breakdown spectroscopy

X. K. Shen; J. Sun; H. Ling; Y. F. Lu

doi:10.1063/1.2770772

Spatial confinement effects in laser-induced breakdown spectroscopy

X. K. Shen, J. Sun, H. Ling, Y. F. Lu

Electrical & Computer Engineering

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

93 Scopus citations

Abstract

The spatial confinement effects in laser-induced breakdown of aluminum (Al) targets in air have been investigated both by optical emission spectroscopy and fast photography. A KrF excimer laser was used to produce plasmas from Al targets in air. Al atomic emission lines show an obvious enhancement in the emission intensity when a pair of Al-plate walls were placed to spatially confine the plasma plumes. Images of the Al plasma plumes showed that the plasma plumes evolved into a torus shape and were compressed in the Al walls. The mechanism for the confinement effects was discussed using shock wave theory.

Original language	English (US)
Article number	081501
Journal	Applied Physics Letters
Volume	91
Issue number	8
DOIs	https://doi.org/10.1063/1.2770772
State	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2770772

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title = "Spatial confinement effects in laser-induced breakdown spectroscopy",

abstract = "The spatial confinement effects in laser-induced breakdown of aluminum (Al) targets in air have been investigated both by optical emission spectroscopy and fast photography. A KrF excimer laser was used to produce plasmas from Al targets in air. Al atomic emission lines show an obvious enhancement in the emission intensity when a pair of Al-plate walls were placed to spatially confine the plasma plumes. Images of the Al plasma plumes showed that the plasma plumes evolved into a torus shape and were compressed in the Al walls. The mechanism for the confinement effects was discussed using shock wave theory.",

author = "Shen, {X. K.} and J. Sun and H. Ling and Lu, {Y. F.}",

note = "Funding Information: This research was financially supported by U.S. Department of Energy (Nuclear and Radiological National Security Program, National Nuclear Security Administration) through cooperative agreement DE-FC52-04NA25688.",

year = "2007",

doi = "10.1063/1.2770772",

language = "English (US)",

volume = "91",

journal = "Applied Physics Letters",

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publisher = "American Institute of Physics",

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T1 - Spatial confinement effects in laser-induced breakdown spectroscopy

AU - Shen, X. K.

AU - Sun, J.

AU - Ling, H.

AU - Lu, Y. F.

N1 - Funding Information: This research was financially supported by U.S. Department of Energy (Nuclear and Radiological National Security Program, National Nuclear Security Administration) through cooperative agreement DE-FC52-04NA25688.

PY - 2007

Y1 - 2007

N2 - The spatial confinement effects in laser-induced breakdown of aluminum (Al) targets in air have been investigated both by optical emission spectroscopy and fast photography. A KrF excimer laser was used to produce plasmas from Al targets in air. Al atomic emission lines show an obvious enhancement in the emission intensity when a pair of Al-plate walls were placed to spatially confine the plasma plumes. Images of the Al plasma plumes showed that the plasma plumes evolved into a torus shape and were compressed in the Al walls. The mechanism for the confinement effects was discussed using shock wave theory.

AB - The spatial confinement effects in laser-induced breakdown of aluminum (Al) targets in air have been investigated both by optical emission spectroscopy and fast photography. A KrF excimer laser was used to produce plasmas from Al targets in air. Al atomic emission lines show an obvious enhancement in the emission intensity when a pair of Al-plate walls were placed to spatially confine the plasma plumes. Images of the Al plasma plumes showed that the plasma plumes evolved into a torus shape and were compressed in the Al walls. The mechanism for the confinement effects was discussed using shock wave theory.

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DO - 10.1063/1.2770772

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

M1 - 081501

ER -

Spatial confinement effects in laser-induced breakdown spectroscopy

Abstract

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