Study on Properties of Plasma Spectroscopy of Laser-Induced Carbon Materials with Different Chemical Forms

Ziming, 钟子铭 Zhong; Jidong, 陆继东 Lu; Jianping, 郑建平 Zheng; Meirong, 董美蓉 Dong

doi:10.3788/aos201131.1230001

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2024

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A Study of the Laser-Induced Breakdown Spectroscopy of Carbon in the Ultraviolet Wavelength Range Under Vacuum Conditions

Congyuan

Zeng

et al. 2015

Plasma Sci. Technol.

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The influence of a vacuum on the laser-induced breakdown spectroscopy (LIBS) of carbon in the ultraviolet wavelength range is studied. Experiments are performed with graphite using a LIBS system, which consists of a 1064 nm Nd:YAG laser, a vacuum pump, a spectrometer and a vacuum chamber. The vacuum varies from 10 Pa to 1 atm. Atomic lines as well as singly and doubly charged ions are confirmed under the vacuums. A temporal evolution analysis of intensity is performed for the atomic lines of C I 193.09 nm and C I 247.86 nm under different vacuum conditions. Both time-integrated and time-resolved intensity evolutions under vacuums are achieved. The lifetimes of the two atomic lines have similar trends, which supports the point of view of a 'soft spot'. Variations of plasma temperature and electron density under different vacuums are measured. This study is helpful for research on carbon detection using LIBS under vacuum conditions.

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A Study of the Laser-Induced Breakdown Spectroscopy of Carbon in the Ultraviolet Wavelength Range Under Vacuum Conditions

Congyuan

Zeng

et al. 2015

Plasma Sci. Technol.

View full text Add to dashboard Cite

show abstract

Quantitative Analysis of Copper-Molybdenum Slurries Based on Pulse Laser of Low Energy

LI,

Zhao,

Ren

et al. 2024

Preprint

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Study on Properties of Plasma Spectroscopy of Laser-Induced Carbon Materials with Different Chemical Forms

Cited by 2 publications

References 0 publications

A Study of the Laser-Induced Breakdown Spectroscopy of Carbon in the Ultraviolet Wavelength Range Under Vacuum Conditions

A Study of the Laser-Induced Breakdown Spectroscopy of Carbon in the Ultraviolet Wavelength Range Under Vacuum Conditions

Quantitative Analysis of Copper-Molybdenum Slurries Based on Pulse Laser of Low Energy

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