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Company details

Hamamatsu Photonics
2 Howard Court
10 Tewin Road
Welwyn Garden City
Hertfordshire
AL7 1BW
United Kingdom

Tel: 01707 294888
Fax: 01707 325777

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New Thermoelectrically Cooled MPPC for Photon Counting Applications Oct 27, 2009

Hamamatsu Photonics have expanded their range of semi-conductor detectors featuring photon detection capability with the introduction of the brand new S11028 series multi-pixel photon counter (MPPC).

The new device utilizes a Geiger-mode avalanche photodiode structure for ultra-low-level light detection, and a two-stage thermoelectric cooler, which operates down to -20oC and reduces dark count to 1/20 of that at room temperature. The MPPC is easily connected to an external circuit for simple operation and is operated from a low voltage power supply (typically 70 Volts).

The S11028 series, with its active area of 1 mm x 1 mm, is available in three pixel counts (100, 400, or 1600 pixels). 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 gain values from 250,000 to several million, depending on the specific pixel number.