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Optimization of the Rolling-Circle Filter for Raman Background Subtraction

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Abstract:

A procedure is proposed to optimize a high-pass filter enabling one to subtract the broadband background signals inherent in Raman spectra. A spectral approach is used to analyze the characteristics of the filter and the distortions in the processed spectra. Examples of the processing of real spectra are presented.

Keywords: BACKGROUND SUBTRACTION; DIGITAL FILTERS; RAMAN SPECTROSCOPY

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370206776342553

Affiliations: International Laser Center and Physics Department, Moscow State University, Vorob'evy Gory, 119992 Moscow, Russia

Publication date: March 1, 2006

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