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The high dependence of polarization resolved laser-induced breakdown spectroscopy on experimental conditions |
Nakimana Agnes, Hao Zuo-Qiang(郝作强), Liu Jia(刘佳), Tao Hai-Yan(陶海岩), Gao Xun(高勋), Sun Chang-Kai(孙长凯), and Lin Jing-Quan(林景全)† |
School of Science, Changchun University of Science and Technology, Changchun 130022, China |
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Abstract It is shown that the continuum emission produced by the Al alloy ablated by femtosecond laser pulses is much more polarized than the characteristic lines of elements. A Glan--Thomson polarizer is used in the laser-induced breakdown spectroscopy experiment to investigate the polarization effect. The use of polarizer at its minimal transmission increases the signal-to-noise ratio. The effects of angle of detection, focal position, and pulse energy on the signal-to-noise ratio are also studied.
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Received: 16 November 2011
Revised: 27 December 2011
Accepted manuscript online:
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PACS:
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42.62.Fi
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(Laser spectroscopy)
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78.47.J-
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(Ultrafast spectroscopy (<1 psec))
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 60978014, 11074027, and 61178022), the Funds from Jilin Provincial Science and Technology Department, China (Grant Nos. 20100521, 20100168, and 20111812), the Science and Technology Division of Changchun City, China (Grant No. 09GH01), and the Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministry, China. |
Corresponding Authors:
Lin Jing-Quan
E-mail: linjingquan@cust.edu.cn
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Cite this article:
Nakimana Agnes, Hao Zuo-Qiang(郝作强), Liu Jia(刘佳), Tao Hai-Yan(陶海岩), Gao Xun(高勋), Sun Chang-Kai(孙长凯), and Lin Jing-Quan(林景全) The high dependence of polarization resolved laser-induced breakdown spectroscopy on experimental conditions 2012 Chin. Phys. B 21 074204
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