This system uses a photo-multiplier. The counting photon system is conformed by 5 stages, which are: the detector, a pre-amplifier, a pulse comparator, a pulses counter and a communications interface in PC.
© 2007 Optical Society of America
F. R. Pérez, C. Del Valle, L. Reyes, J. Tobón, C. Barrero, and A. Velásquez, "Design of a Photon-Counting System for Raman Spectroscopy," in Frontiers in Optics 2007/Laser Science XXIII/Organic Materials and Devices for Displays and Energy Conversion, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JSuA8.
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