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Hamamatsu Photonics

  • Components suitable for

    PET

    Positron Emission Tomography (PET)

    Positron Emission Tomography (PET) is a nuclear medicine functional imaging technique that is used in clinical oncology and for diagnosis of certain brain diseases, including dementia. After injecting solution labeled with positron radioactive isotopes into a patient’s body, the photomultiplier tubes (PMTs) detect annihilation gamma rays emitted when a positron released in the body annihilates with an electron. The computer will then form cross-section images reflecting the distribution of positron radioactive isotopes. SiPM (MPPC) or photomultiplier tubes (PMTs) coupled to scintillators are used for detecting these gamma rays. We have the optimum detectors available for your PET from our extensive selection of SiPM (MPPC) and Photomultiplier Tube (PMT) products.

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    Computed Radiography

    Computed Radiography (CR)

    Computed Radiography (CR) is a digital imaging and diagnosis technology that uses a special fluorescence plate called “photostimulable phosphor” instead of the conventional X-ray films to process X-ray images in a short time with high sensitivity. When an X-ray is irradiated to the plate, electrons generated in the plate are accumulated. A laser beam then scans (excites) the image formed on the phosphor plate, causing visible light to be emitted according to the amount of accumulated X-rays. A photomultiplier tube is then used to convert this weak visible light into electrical signals, which are then digitally processed to reconstruct an image.

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    X-ray Sensors

    X-Ray Detection

    Precise X-Ray detection has become an integral part of many of today’s applications. Hamamatsu Photonics offers a great variety of detectors and components for that purpose.
    Our portfolio ranges from high resolution systems for research and sophisticated detectors used in medical applications like flat panel sensors to line sensors and cameras for NDT and finally down to diodes and scintillators. One of our main advantages is the great capability of customization for many of our products, which cannot be displayed on our homepage. 

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    Radiation Detection

    Radiation Detection

    Nuclear radiation cannot be seen with the human eye, therefore radiation detectors are needed. Radiation detectors identify nuclear radiation by detecting radioactive substances like alpha particles, beta particles and gamma rays. Portable and high-sensitivity radiation detectors are used by police, custom inspectors, and others. Hamamatsu offers a wide selection of photodetectors designed for scintillation-based detection. This selection ranges from Photodiodes to Multi-Pixel Photon Counters (MPPCs) to Photomultiplier tubes (PMT). The high internal gain and the extremely low dark counts make PMTs the best detectors for all types and sizes of scintillation-based radiation detection systems. Next to PMTs, MPPCs are the best alternative for radiation detection.

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    PMT for Gamma Camera

    Detectors suitable for Gamma Cameras

    Gamma cameras are used for scintigraphy, a technique in nuclear medicine to image gamma radiation emitting radioisotopes. So called scintigraphy scans provide detailed diagnoses about the function of the thyroid, the heart, the lungs and many other parts of the body. The treatment involves administering a radiopharmaceutical molecule marked with a gamma-emitting radioisotope to the patient. Once the molecule attached at the target organ or tissue, the highly penetrative emitted gamma rays easily escape from the body and are detected by a gamma camera in a two dimensional image. For the detection of gamma rays photomultiplier tubes can be used. Hamamatsu offers several photomultiplier tubes especially suitable for gamma cameras.

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