title: A compact Raman converter for UV-VIS spectrometers.
abstract: A small form factor, easily constructed converter that adapts fiber coupled UV/VIS CCD detector-based spectrometers into a right angle scattering Raman spectrometer is described. Its design philosophy and design are discussed. An example measurement, the depolarization ratio of carbon tetrachloride, a classic Raman test compound, is presented. The unique instrument features a blue-violet (405 nm wavelength) diode laser that takes advantage of the inverse fourth power wavelength dependence of Raman scattering. The converter also features Glan-Thompson polarizing prisms that enable measurement of depolarization ratios. The spectrometer is also capable of measuring a standard Raman spectrum. A fiber optic link offers flexibility when adapting the converter to any spectrometer system that accepts a fiber optic input. The performance of the instrument is critically discussed in the context of an example measurement.
authors.affiliation: Department of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USA.
authors.forename: Patrick J
authors.initials: PJ
authors.lastname: Bisson
authors.affiliation: Department of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USA.
authors.forename: James E
authors.initials: JE
authors.lastname: Whitten