Influence of polarization of laser beam on emission intensity of nanosecond laser-induced breakdown spectroscopy

Guoyan Chen; Qianqian Wang; Geer Teng; Xiangjun Xu

doi:10.1117/12.2607071

24 November 2021 Influence of polarization of laser beam on emission intensity of nanosecond laser-induced breakdown spectroscopy

Guoyan Chen, Qianqian Wang, Geer Teng, Xiangjun Xu

Author Affiliations +

Proceedings Volume 12064, AOPC 2021: Optical Spectroscopy and Imaging; 120640X (2021) https://doi.org/10.1117/12.2607071
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Laser-induced breakdown spectroscopy (LIBS) is an atomic emission spectroscopy, which has been used to analyze the composition of materials in many areas. In order to improve the detection sensitivity of LIBS, many methods have been proposed to improve the spectral intensity of LIBS. It has been proved that the intensity of femtosecond LIBS spectra of metal can be enhanced by using circularly polarized laser as excitation source. In this paper, the effect of polarization of laser beam on emission intensity of nanosecond LIBS was investigated. The spectral intensity of nanosecond LIBS of brass was enhanced with circularly polarized laser excited.

Citation Download Citation

Guoyan Chen, Qianqian Wang, Geer Teng, and Xiangjun Xu "Influence of polarization of laser beam on emission intensity of nanosecond laser-induced breakdown spectroscopy", Proc. SPIE 12064, AOPC 2021: Optical Spectroscopy and Imaging, 120640X (24 November 2021); https://doi.org/10.1117/12.2607071

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