13 May 1997 In-situ characterization of visible and near-infrared Raman throughput from fiber optics in a high intensity gamma radiation environment
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Abstract
The use of fiber-optic-based Raman spectroscopy as a diagnostic in waste tanks and streams has been suggested both as a safety measure and a process chemistry control. The chief advantages of Raman for these applications are its ability to provide highly resolved, distinctive spectroscopic signatures of neutral and ionic molecular species in complex matrices with fairly rapid data acquisition (often less than one minute) from remote distances, easily in excess of 100 meters. Disadvantages include the rather insensitive nature of the Raman measurement, the possibility of optical interferences, especially from stray light or photoluminescence, and the problematic application of Raman for quantitative determination of analytes. Other considerations include the small sampling volume, costs of instrumentation and facilities requirements.
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Robert J. Donohoe, Joseph A. Skelton, "In-situ characterization of visible and near-infrared Raman throughput from fiber optics in a high intensity gamma radiation environment", Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); doi: 10.1117/12.274294; https://doi.org/10.1117/12.274294
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