Wavelength Calibration of a Multichannel Spectrometer

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A readily automated procedure for wavelength calibration of multichannel spectrometers is described. Once applied, line positions can be read from the multichannel display with good accuracy and precision for any spectrometer setting. The procedure uses Ne atomic lines as wavelength standards. A novel apodization procedure is used for accurate measurement of the pixel positions of the neon lines. Raman line positions can be determined with an average error of less than 0.2 cm−1.

Keywords: Multichannel spectrometers; Raman spectroscopy; Wavelength calibration

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702934065948

Affiliations: Department of Chemistry, Florida State University, Tallahassee, Florida 32306-3006

Publication date: November 1, 1993

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