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New Improved Thermoelectrically Cooled MPPC for Photon Counting Applications
Product News

New Improved Thermoelectrically Cooled MPPC for Photon Counting Applications

New Improved Thermoelectrically Cooled MPPC for Photon Counting Applications
Product News

New Improved Thermoelectrically Cooled MPPC for Photon Counting Applications


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Hamamatsu Photonics have expanded and improved on their range of semi-conductor detectors, featuring photon counting capability, with the introduction of the brand new S12576-050 and S12577-050 multi-pixel photon counter devices (MPPC).

The new devices utilize a Geiger-mode avalanche photodiode structure for ultra-low-level light detection, and a two-stage thermoelectric cooler, operating down to -25°C.

The inclusion of a TE cooler reduces the MPPC dark count to 1/20 of that seen at room temperature, equating to 5cps typ. for the S12576-050 and 50cps typ. for the S12577-050.

The MPPC is easily connected to an external circuit for simple operation and is operated from a low voltage power supply (approximately 65 Volts).

Hamamatsu also offers a temperature controller which maintains a constant temperature within the thermoelectrically cooled package.

The S12576-050 and S12577-050 are 1x1mm and 3x3mm devices respectively, with 400 and 3,600 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 high gain values of 1.25E6, comparable to that achievable from a conventional photomultiplier tube.

The S12576-050 and S12577-050 are 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.

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