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Advanced low radio isotope device for revealing rare events
Certain types of photodetectors, such as MPPC (Multi-Pixel Photon Counter), are so sensitive that they allow the detection of a single photon. This is incredibly useful for High-Energy Physics experiments where there is a need to detect single photon absorption events.
In experiments like those probing the nature of neutrinos as Majorana particles or searching for Dark Matter, particle detectors must exhibit high sensitivity and the ability to differentiate genuine events from background and noise. Regrettably, noise events for the particle detector may arise from the trace amounts of radioactive materials utilized during the manufacturing process.
At Hamamatsu, a key focus of our research and development efforts is to enhance the detection limit of detectors while simultaneously minimizing the presence of radioactive substances in the optical detector package. This endeavor involves meticulous material selection for device fabrication, prioritizing materials with low radioisotope content. This includes, for example, mounting TSV chips on a substrate crafted from materials with minimal radioisotope content, thereby achieving both low radioisotope levels and a compact dead space.
Supporting this claim, Hamamatsu has previously developed the MPPC model S13372-1350TE, which has been successfully used in some neutrinoless double beta decay experiments such as the NEXT project.
Please contact Hamamatsu to explore the most appropriate MPPC device for your application.
Related documents
Back to the overview page: See all MPPC articles
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