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[Experimental study on laser-induced plasma and its application to spectral analysis]
Shu-rui Zhao1, Jin-zhong Chen, Yan-hong Wei
1College of Physics Science and Technology, Hebei University, Baoding 071002, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|March 17, 2005
Summary
This study reviews experimental research on laser-induced plasma (LIP) and its spectral analysis applications. It details LIP characteristics and material analysis techniques, including direct emission collection and laser ablation-inductively coupled plasma (LA-ICP) methods.
Area of Science:
- Physics and Chemistry
- Spectroscopy
- Materials Science
Context:
- Recent advancements in experimental laser-induced plasma (LIP) research.
- Growing applications of LIP in spectral analysis for material characterization.
Purpose:
- To summarize recent domestic and international progress in experimental LIP studies.
- To elaborate on the formation, radiation, and physical properties of LIP under various experimental conditions.
- To detail methods for material composition analysis using LIP, including direct emission collection and LA-ICP.
Summary:
- Experimental research on laser-induced plasma (LIP) formation, radiation, electron temperature, electron density, and expansion velocity is detailed.
- LIP characteristics are analyzed under varying gas composition, pressure, laser energy, wavelength, power density, and observation height.
- Material analysis applications include direct plasma emission collection for solid, liquid, and gaseous samples, and spectrochemical analysis via laser ablation-ICP, discussing factors influencing precision and detection limits.
Impact:
- Provides a comprehensive overview of LIP experimental research and spectral analysis applications.
- Highlights key parameters affecting LIP properties and analytical performance.
- Informs future research directions in plasma physics and analytical chemistry for material characterization.