Near-Infrared Raman Spectroscopy with High Resolution Using the Scanning Multichannel Technique

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Abstract:

An experimental setup has been developed for the measurement of Raman spectra with NIR excitation, which combines high resolution with multichannel detection. The instrument is based on a Ti:sapphire laser for excitation, a double monochromator, and a CCD detector. The scanning multichannel technique is used for efficient acquisition of Raman spectra. Principal features of the software designed for control of the spectrometer are described, including definition of problem-adapted resolution elements and spike-removal routines. Raman spectra of several compounds are given, demonstrating the good resolution obtainable with this version of NIR Raman spectroscopy.

Keywords: Raman spectroscopy, high resolution; Scanning multichannel technique; Ti:sapphire laser excitation

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370294775268884

Affiliations: Physikalische Chemie II, Universität Bayreuth, D-95440 Bayreuth, Germany

Publication date: April 1, 1994

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