Abstract

A lamellar-grating Fourier-transform spectrometer has been constructed for high-resolution studies and for general measurements in the submillimeter region. The instrument has a maximum working resolution of 0.034 cm⁻¹ and an accuracy of frequency of ±0.0015 cm⁻¹. To illustrate the performance of the instrument, the results of high-resolution measurements of H₂O, CO, N₂O, and CH₃CN gases, and, in addition, the magnetic resonance measurements of some biological substances and the refractive index measurements of some III–V compounds are presented.

© 1978 Optical Society of America

High resolution Fourier transform spectrometer (0.005 cm⁻¹) for the 0.6–100-μm spectral range

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