Abstract
A high-resolution Fourier transform spectrometer (FTS) has been used to record spontaneous incoherent laser Raman spectra of gases. The resolution, sensitivity, calibration accuracy, and spectral coverage achieved in these spectra demonstrate the viability of the FTS for Raman spectroscopy. Measurements from a spectrum of D2 containing both υ = 0−0 and υ = 1−0 transitions were fitted to the Dunham expansion of the vibration–rotation energy levels. The coefficients are (in cm−1) Y10 = 2993.6060 (67), Y01 = 30.4401(89), Y11 = −1.0538(17), Y02 = −0.011590(41), Y12 = 2.02(80) × 10−4, and Y03 = 5.83(11) × 10−6. Errors in parentheses are one standard deviation.
© 1986 Optical Society of America
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