| 摘要 |
A radiation measuring apparatus capable of measuring radiation by means of few measuring devices without requiring use of power sources, electronic circuits, etc. in places of measurement, and of carrying out high-efficiency multipoint measurement at low cost. Each scintillation detector is provided with two light outlet ports at the opposite ends thereof, individually, and a plurality of scintillation detectors are connected in series with one another by means of optical fibers. The optical fibers are connected individually to the opposite ends of each scintillation detector, and the optical fibers of a plurality of scintillation detectors are connected in parallel with one another. Also provided is a wavelength shifter which absorbs a scintillation light and emits a fluorescence corresponding thereto so that the fluorescence is transmitted to the photoelectric transfer element through the two light outlet ports and the optical fibers, and allows a fluorescence transmitted from another scintillation detector through the optical fibers to pass. The wavelength shifter being in optical contact with another wavelength shifter, which is in optical contact with a scintillator.
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