Design and construction of a photon counting system

F. R. Pérez, C. Del Valle, L. Reyes, J. Tobón, C. Barrero, A. Velásquez

    Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

    Resumen

    This article describes the design and implementation of a photon counting system, which is made using low cost electronic devices. The system is connected to a spectrometer in order to study events related to low levels of luminance intensity. It uses a photo-multiplier tube (PMT) for photon detection. 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 a PC. Data acquisition is done through the serial port. The system allows the detection of radiation coming from signals whose counting rates are several thousands pulses per second. As an application of the system, the Raman Stokes spectrum of the polystyrene as well as the fluorescence band of an organic pigment on a poly-vinyl matrix is showed.

    Idioma originalInglés
    Título de la publicación alojadaSixth Symposium Optics in Industry
    DOI
    EstadoPublicada - 2007
    Evento6th Symposium Optics in Industry - Monterrey, México
    Duración: 8 mar. 20079 mar. 2007

    Serie de la publicación

    NombreProceedings of SPIE - The International Society for Optical Engineering
    Volumen6422
    ISSN (versión impresa)0277-786X

    Conferencia

    Conferencia6th Symposium Optics in Industry
    País/TerritorioMéxico
    CiudadMonterrey
    Período8/03/079/03/07

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