High-luminance fluorescent screen with interference filter

Noritaka Satoh; Masahiro Kusakabe; Katsutoshi Ohno; Nozomu Kamagata; Masahiro Endo

doi:10.1117/12.208366

8 May 1995 High-luminance fluorescent screen with interference filter

Noritaka Satoh, Masahiro Kusakabe, Katsutoshi Ohno, Nozomu Kamagata, Masahiro Endo

Proceedings Volume 2432, Medical Imaging 1995: Physics of Medical Imaging; (1995) https://doi.org/10.1117/12.208366
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

An x-ray image detection system consisting of a fluorescent screen optically coupled to a CCD camera can produce a large uniform image. In this system, it is difficult to produce a noiseless image because of loss in the optical system. In order to improve the efficiency of light collection, we have developed a new screen with an interference filter. The angular distribution of the light from the new screen was improved, and the amount of light collected by the CCD was increased. The spatial resolution of the new screen was a little lower than that of the conventional screen. In this paper, we report a new application of an interference filter to a fluorescent screen, and report the performance.

Citation Download Citation

Noritaka Satoh, Masahiro Kusakabe, Katsutoshi Ohno, Nozomu Kamagata, and Masahiro Endo "High-luminance fluorescent screen with interference filter", Proc. SPIE 2432, Medical Imaging 1995: Physics of Medical Imaging, (8 May 1995); https://doi.org/10.1117/12.208366

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