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Design and Performance of an Optimized Dispersive Infrared Dichrograph

Volume 42, Number 1 (Jan. 1988) Page 20-27

Diem, M.; Roberts, G.M.; Lee, O.; Barlow, A.


The design of a spectrometer for the observation of infrared vibrational circular dichroism (VCD) is reported. This instrument utilizes f/4 aperture, a minimum of optical elements, and a new electronic data acquisition method to improve the sensitivity of previous dispersive units. The instrument described exhibits a level of sensitivity comparable to that of present Fourier transform (FT) VCD instruments, while avoiding some problems which still persist in FT-VCD.