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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 28, Iss. 6 — Nov. 1, 1974
  • pp: 536–540

Resolution and Frequency Calibration Performance of Beckman IR-9 Infrared Spectrophotometer

R. M. Kirk and P. M. Wilt

Applied Spectroscopy, Vol. 28, Issue 6, pp. 536-540 (1974)


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Abstract

Modifications affecting the resolution and frequency calibration capability of the Beckman IR-9 infrared spectrophotometer are described and discussed. Under favorable conditions these modifications enable the instrument to be calibrated with an absolute accuracy of 0.03 cm−1 or better; resolution is also improved so that spectral slitwidths may be reduced by approximately √2 over normal specifications. These results are illustrated with vibration-rotation spectra from NH3, CH4, and HBr.

Citation
R. M. Kirk and P. M. Wilt, "Resolution and Frequency Calibration Performance of Beckman IR-9 Infrared Spectrophotometer," Appl. Spectrosc. 28, 536-540 (1974)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-28-6-536

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