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The ZnS scintillator-based two-dimensional detector was developed for time-of-flight neutron imaging with a high spatial resolution and with a low gamma-ray sensitivity. The developed detector based on neutron counting method exhibited a high spatial resolution of less than 100 µm in full width at half maximum with a moderate count rate capability of several tens kcps. Its low gamma-ray sensitivity...
The neutron image detector that was based on wavelength-shifting-fibers (WLS fibers) equipped with the fiber-optic taper was developed. By inserting the FOT in between the scintillator and WLS fibers the measured neutron image was magnified on the WLS fibers. We have tested two FOTs; a square-shaped one with a size of 2.6 × 2.6 mm and a round shaped with a diameter of 20 mm. Both FOTs have identical...
A wavelength-shifting-fiber based neutron image detector with a spatial resolution of less 200 ??m was developed. The detector had a capability of neutron imaging with a temporal resolution of several ??s. The detector equipped with a ZnS/6LiF scintillator where the scintillation light was read out with individual fibers based on a photon counting method. The fiber-optic tapers (FOTs) were implemented...
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