Development of new x-ray still-image detector 'XTV-PROM'

Yukihisa Osugi; Akihiko Honda; Shoji Tange; Shuhei Toyoda; Takumi Minemoto

doi:10.1117/12.140466

3 February 1993 Development of new x-ray still-image detector 'XTV-PROM'

Yukihisa Osugi, Akihiko Honda, Shoji Tange, Shuhei Toyoda, Takumi Minemoto

Proceedings Volume 1736, X-Ray Detector Physics and Applications; (1993) https://doi.org/10.1117/12.140466
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

A new type of x-ray real time still image detector named `X ray to Visible Light PROM (XTV-PROM)' has been developed. XTV-PROM consists of a thin Bi₁₂SiO₂₀ (BSO) single crystal plate, transparent insulating layers, and two electrodes on both faces of the crystal plate. One electrode is transparent and the other refracts readout lights and lets in x rays. Several tens of keV x rays generate electron-hole pairs in the crystal and an x-ray image is recorded as a charge pattern. A voltage pattern generated from the charge pattern causes the Pockels effect and the recorded x-ray image is converted to the visible light image using the effect of the crystal. The recorded image can be erased and the device can be used repeatedly. The XTV-PROM with a large active area (18 X 18 mm²) and high resolution (25 micrometers ) has been made by a new process for polishing BSO crystal thinly. The XTV-PROM has a good response for bremsstrahlung x rays higher than 30 keV.

Citation Download Citation

Yukihisa Osugi, Akihiko Honda, Shoji Tange, Shuhei Toyoda, and Takumi Minemoto "Development of new x-ray still-image detector 'XTV-PROM'", Proc. SPIE 1736, X-Ray Detector Physics and Applications, (3 February 1993); https://doi.org/10.1117/12.140466

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