Laser-plasma interactions in fused silica cavities

Xianzhong Zeng; Xianglei Mao; Samuel S. Mao; Jong H. Yoo; Ralph Greif; Richard E. Russo

doi:10.1063/1.1635990

Laser-plasma interactions in fused silica cavities

Xianzhong Zeng
, Xianglei Mao
, Samuel S. Mao
, Jong H. Yoo
, Ralph Greif
, Richard E. Russo

Mechanical & Nuclear Engineering

Lawrence Berkeley National Laboratory

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

78 Scopus citations

Abstract

The formation of a laser induced plasma inside a cavity was investigated and compared with laser ablation on a flat surface. It was observed that plasma temperature and electron number density both in the cavity and on the flat surface change dramatically after the laser beam reaches a threshold irradiance. As such, phase explosion was discussed to explain the large change of both plasma characteristics and mass removal when irradiance increases beyond a threshold value.

Original language	British English
Pages (from-to)	816-822
Number of pages	7
Journal	Journal of Applied Physics
Volume	95
Issue number	3
DOIs	https://doi.org/10.1063/1.1635990
State	Published - 1 Feb 2004

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title = "Laser-plasma interactions in fused silica cavities",

abstract = "The formation of a laser induced plasma inside a cavity was investigated and compared with laser ablation on a flat surface. It was observed that plasma temperature and electron number density both in the cavity and on the flat surface change dramatically after the laser beam reaches a threshold irradiance. As such, phase explosion was discussed to explain the large change of both plasma characteristics and mass removal when irradiance increases beyond a threshold value.",

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AU - Zeng, Xianzhong

AU - Mao, Xianglei

AU - Mao, Samuel S.

AU - Yoo, Jong H.

AU - Greif, Ralph

AU - Russo, Richard E.

PY - 2004/2/1

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N2 - The formation of a laser induced plasma inside a cavity was investigated and compared with laser ablation on a flat surface. It was observed that plasma temperature and electron number density both in the cavity and on the flat surface change dramatically after the laser beam reaches a threshold irradiance. As such, phase explosion was discussed to explain the large change of both plasma characteristics and mass removal when irradiance increases beyond a threshold value.

AB - The formation of a laser induced plasma inside a cavity was investigated and compared with laser ablation on a flat surface. It was observed that plasma temperature and electron number density both in the cavity and on the flat surface change dramatically after the laser beam reaches a threshold irradiance. As such, phase explosion was discussed to explain the large change of both plasma characteristics and mass removal when irradiance increases beyond a threshold value.

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Laser-plasma interactions in fused silica cavities

Abstract

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