光谱学与光谱分析 |
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A New Algorithm for Generating Raman Spectra Using Polychromatic Light Sources |
XU Yi-zhuang1, WANG Jian-lin2, WU Jin-guang1 |
1. College of Chemistry, Peking University, Beijing 100871, China 2. College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China |
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Abstract In the present paper, the possibility of generation of Raman spectra using polychromatic light instead of laser is discussed based on the theory of Raman scattering. When a polychromatic light impinges on a sample, the resultant scattering includes Rayleigh scattering and Raman scattering brought about by the excitation light at each corresponding frequency. Mathematical analysis demonstrates that the scattering spectra after being corrected by the frequency of scattered light are the convolution of Raman-Rayleigh jointed spectrum and the power spectrum of the excitation light. Therefore, Raman spectrum can be obtained with an algorithm of Fourier transformation using polychromatic light as an excitation source.
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Received: 2005-04-26
Accepted: 2005-07-26
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Corresponding Authors:
XU Yi-zhuang
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Cite this article: |
XU Yi-zhuang,WANG Jian-lin,WU Jin-guang. A New Algorithm for Generating Raman Spectra Using Polychromatic Light Sources[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(09): 1621-1623.
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URL: |
https://www.gpxygpfx.com/EN/Y2006/V26/I09/1621 |
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