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    • Ravi Guntupalli

    Product Manager
    Content Dam Lfw Bios A H Ravi Guntupalli

    Ravi Guntupalli is a product manager at Princeton Instruments, a leading provider of scientific grade CCD, ICCD, EMCCD and InGaAs based cameras and spectrographs for ultra low light imaging and spectroscopy applications. With over 14 years of experience in the field of low light imaging technonologies, Ravi has been working with researchers worldwide who are applying these technologies across life and physical sciences.

    (Pseudo-color image courtesy of Eliot Young, Southwest Research Institute, and R.J. Smith, Sommers-Bausch Observatory, Boulder, CO)
    FIGURE 1. A M37 star cluster image acquired using a Princeton Instruments KURO:1200B back-illuminated sCMOS camera.
    Detectors & Imaging

    CMOS Cameras: Back-illuminated sCMOS technology boosts low-light imaging and spectroscopy applications

    Ravi Guntupalli
    Jan. 24, 2017
    Back-illuminated sCMOS cameras provide the sensitivity and frame rates needed for applications with relatively short integration times, such as hyperspectral imaging, astronomy...
    1206lfw 34
    Research

    LOW-LIGHT IMAGING: Scientific InGaAs FPA cameras heighten sensitivity for NIR imaging

    Ravi Guntupalli
    June 1, 2012
    With their high quantum efficiency and sensitivity in the important near- and shortwave infrared range, deep-cooled, large-format InGaAs focal-plane-array cameras have many applications...
    FIGURE 1. Typical QE is compared for traditional front-illuminated CCDs, standard thinned back-illuminated CCDs, and back-illuminated deep-depletion CCDs (left); a similar comparison is done for eXcelon back-illuminated CCDs and standard back-illuminated CCDs (right).
    Detectors & Imaging

    LOW-LIGHT IMAGING: Novel back-illuminated CCD enhances low-light-level detection

    Ravi Guntupalli
    April 1, 2010
    Conventional CCDs come in several forms, each with certain disadvantages for low-light imaging; a new take on back-illuminated technology resolves these issues while maintaining...