Hamamatsu Photonics has introduced the S10362-11, a new series of multipixel photon counters (MPPC). The device features brand new technology utilising a Geiger-mode avalanche photodiode structure for ultra-low-level light detection. The MPPC is easily connected to an external circuit for simple operation and it is supplied in a compact 5 mm package.
The new series is ideal for a variety of applications, including positron emission tomography, high-energy physics, DNA sequencing, fluorescence measurement, nuclear medicine, point of care systems, drug discovery, medical diagnostic equipment and environmental analysis.
The counters have an active area of 1 mm x 1 mm, and are available in pixel counts of 100, 400 and 1600 pixels. Each pixel contains a quenching circuit so that simultaneous photon events can be counted separately and with a high degree of accuracy. The devices feature typical gain values from 250 000 to several million, depending on the specific pixel number. The detectors also feature high photon detection efficiency to UV and blue light, with peak sensitivity at 400 nm. Unlike traditional photomultiplier tubes, the MPPCs can be operated at low voltage (less than 90 V) and they are insensitive to magnetic fields.
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