Joshua S. Greer, Georgi I. Petrov and Vladislav V. Yakovlev Raman spectroscopy with LED excitation source Journal of Raman Spectroscopy 44
We propose and experimentally demonstrate a novel instrument arrangement to collect Raman spectra using a broadband light source. This is achieved by spatially dispersing the optical spectrum in the focal plane and confocally reimaging the Raman signal, which originates from different locations, onto the entrance slit of an imaging spectrometer. Using this approach and broadband radiation derived from a commercially available LED, we acquired high signal-to-noise spectra with a high spectral resolution.
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