Abstract: A Raman spectroscopy system, including an optical excitation source, an objective lens, a mirror for redirecting optical excitation to the objective lens, an optical switch, an excitation beam optical fiber operationally connected to the objective lens and to the optical switch, a plurality of Raman probes, a plurality of probe optical fibers, each respective probe optical fiber operationally connected to the optical switch and a respective Raman probe, and a spectrometer. Each respective Raman probe is operationally connected to the spectrometer.

Abstract: System, method, and apparatus for determining the composition of a sample of material. In one embodiment, the method pertains to the counting of photons that were inelastically scattered by the sample, and for minimizing the effects of fluorescent or phosphorescent photons. In yet another embodiment of the invention, a sample is illuminated by a repetitive pulse of monochromatic light, and the resultant scattered photons from the samples are collected and counted during a predetermined integration period. Yet other embodiments pertain to a low-cost, computer-controlled system for repetitively counting inelastically scattered photons so as to create a Raman histogram and a Raman spectrogram of the photons.

Abstract: System, method, and apparatus for determining the composition of a sample of material. In one embodiment, the method pertains to the counting of photons that were inelastically scattered by the sample, and for minimizing the effects of fluorescent or phosphorescent photons. In yet another embodiment of the invention, a sample is illuminated by a repetitive pulse of monochromatic light, and the resultant scattered photons from the samples are collected and counted during a predetermined integration period. Yet other embodiments pertain to a low-cost, computer-controlled system for repetitively counting inelastically scattered photons so as to create a Raman histogram and a Raman spectrogram of the photons.