Hamamatsu Photonics MPPC module enables research into high-energy physics
Hamamatsu Photonics
C11208 MPPC module
Hamamatsu Photonics has introduced the C11208 MPPC module, which enables the evaluation of the MPPC and research in fields, including high-energy physics, DNA sequencing, fluorescence measurement, flow cytometry, bioluminescence, medical diagnostic equipment and environmental analysis.
The module integrates the S11028 series MPPC, a pixelated silicon avalanche photodiode operated in Geiger-mode and a thermoelectric cooler.
The integrated thermoelectric cooler allows for a large reduction in the detector dark count — approximately 1/20 that of the standard MPPC module range, according to the company — making it suitable for ultra-low-level light measurements.
Key specifications
- Houses a current-to-voltage converter, high-speed comparator, high-voltage power supply circuit, temperature-control and counting circuits, and a micro controller
- Operator has a choice of three separate signal outputs of analogue current, digital voltage or USB
- 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 available with 1,600, 400 and 100 pixels, corresponding to pixel sizes of 25 x 25µm, 50 x 50µm and 100 x 100µm respectively
- Photon detection efficiency of up to 50 per cent is possible with the largest-pixel version
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