Hamamatsu Photonics have expanded and improved on their range of semi-conductor detectors, featuring photon counting capability, with the introduction of the brand new S12571 series of multi-pixel photon counter devices (MPPC). This new series of general purpose MPPC offers drastically reduced after-pulsing compared to previous Hamamatsu MPPC detectors.
The S12571 series are 1x1mm devices supplied in ultra-compact surface mount plastic packages, or through-hole ceramic packages. Various pixel configurations are available, with pitches of 25um, 50um and 100um and pixel numbers of 1,600, 400 and 100 respectively. Each pixel contains a quenching resistor so that simultaneous photon events can be counted separately and with a high degree of accuracy. The devices feature typical high gain values of 5.15E5 to 2.8E6, comparable to that achievable from a conventional photomultiplier tube.
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