MPPC module ideal for medical diagnostic equipment
Hamamatsu Photonics
C11208 MPPC module
Hamamatsu Photonics has introduced the C11208 MPPC module, which is ideal for evaluation on the MPPC and research in fields including high-energy physics, DNA sequencing and fluorescent measurement.
The C11208 MPPC module integrates the S11028 series MPPC, a pixelated silicon avalanche photodiode operated in Geiger-mode, with the addition of a high-performance thermoelectric cooler.
Along with the TE cooled MPPC, the module houses a current-to-voltage converter, high-speed comparator, high-voltage power supply circuit, temperature control and counting circuits as well as a micro controller.
The module gives the operator a choice of three separate signal outputs of analogue current, digital voltage or USB.
The threshold level for photon detection, together with all MPPC functions, can be controlled externally on a PC when the module is connected via the USB interface.
Three versions are available with 1,600, 400 and 100 pixels, corresponding to pixel sizes of 25 x 25um, 50 x 50um and 100 x 100um respectively.
A photon detection efficiency of up to 50 per cent is possible with the largest pixel version.
The integrated thermoelectric cooler allows for a large reduction in the detector dark count, approximately 1/20 that of the standard MPPC module range, making it suitable for ultra-low-level light measurements.
The C11208 series is also ideal for use in flow cytometry, bioluminescence, medical diagnostic equipment and environmental analysis.
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