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- Title
Frequency Scale Correction of Fourier Spectrometers in the Visible.
- Authors
Serdyukov, V.
- Abstract
It has been found that when visible molecular absorption spectra are recorded with the IFS-125M Fourier spectrometer, a shift in the frequency scale is observed which increases nonlinearly toward higher frequencies. It is proposed that the frequency scale be corrected using absorption lines of iodine vapor and water, beginning with calibration of the wavelength scale where the correction function is linear to a good approximation, followed by conversion of the calibration to a wave number scale. The error in determining the wave numbers of the absorption lines does not exceed ±0.003 cm.
- Subjects
FREQUENCY discriminators; MOLECULAR absorption spectra; FOURIER transform spectrometers; WAVENUMBER; FREQUENCY curves
- Publication
Journal of Applied Spectroscopy, 2016, Vol 83, Issue 2, p307
- ISSN
0021-9037
- Publication type
Article
- DOI
10.1007/s10812-016-0287-0