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The Development of a Fourier Transform Raman Microprobe

Volume 45, Number 4 (May 1991) Page 527-534

Sommer, A.J.; Katon, J.E.


An FT-Raman microprobe based on a refracting microscope and proprietary beamsplitter is detailed and characterized with regard to spatial resolution, Rayleigh rejection, and performance as compared to a 180° backscattering macro-geometry. Several examples are presented which demonstrate the microprobe's capabilities in analyzing micro-samples with moderate Raman-scattering cross sections. Further improvements to the integrated system are also discussed and highlighted.