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Fiber-Optic Sampling Combined with an Imaging Spectrograph for Routine Raman Spectroscopy

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A 250-mm imaging spectrograph was combined with a CCD detector, fiber-optic sampler, and diode laser (783 nm) to yield an efficient Raman spectrometer. A variety of sampling modes for liquids and solids were demonstrated, none of which required careful optical alignment. Of practical interest are spectra obtained from liquids inside glass containers, rapid (30 seconds each) spectral acquisition from successive solid and liquid samples, and spectra of normally fluorescent materials such as rhodamine 6G and common plastics.

Keywords: CCD Raman detection; Diode laser Raman spectroscopy; Fiber-optic sampling; Instrumentation, Raman; Raman spectroscopy

Document Type: Research Article


Affiliations: 1: Chromex, 2705-B Pan American NE, Albuquerque, New Mexico 87107 2: Department of Chemistry, The Ohio State University, 120 West 18th Ave., Columbus, Ohio 43210

Publication date: February 1, 1992

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