Design and Performance Characteristics of a Near-Infrared Scanning Multichannel Raman Spectrometer

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Abstract:

This paper provides comprehensive evidence for the performance of a highly sensitive NIR Raman spectrometer that is based on a single monochromator, a holographic edge filter, and a germanium photodiode array and that employs the scanning multichannel technique. In terms of signal-to-noise ratio, resolution, band intensities, and band shape accuracy, the spectra presented are the best reported so far with the use of a multichannel NIR Raman spectrometer. We believe that the design proposed here can yield data at least as good as FT-Raman data, for any given sample.

Keywords: Array detector; Instrumentation; Multichannel spectroscopy; NIR; Raman spectroscopy; Spectroscopic techniques

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702944029695

Affiliations: 1: Molecular Spectroscopy Laboratory, Kanagawa Academy of Science and Technology (KAST), KSP East 301, 3-2-1 Sakato, Kawasaki 213, Japan; Institut für Physikalische Chemie, Universität Würzburg, Marcusstr. 9-11, D-97070 Würzburg, Germany 2: Institut für Physikalische Chemie, Universität Würzburg, Marcusstr. 9-11, D-97070 Würzburg, Germany 3: Molecular Spectroscopy Laboratory, Kanagawa Academy of Science and Technology (KAST), KSP East 301, 3-2-1 Sakato, Kawasaki 213, Japan; Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India 4: Molecular Spectroscopy Laboratory, Kanagawa Academy of Science and Technology (KAST), KSP East 301, 3-2-1 Sakato, Kawasaki 213, Japan

Publication date: August 1, 1994

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