Abstract
We describe the latest versions of two current multichannel Raman optical activity (ROA) instruments from our laboratory. Both are based on an astigmatic single-grating spectrograph equipped with a holographic notch filter and a charge coupled device detector and employ the incident circular polarization (ICP) modulation strategy for ROA measurements, one in backscattering and the other in right-angle scattering. A selection of ICP ROA spectra is presented which demonstrates the excellent performance characteristics of both instruments, especially in the lower wavenumber region.
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