| 摘要 |
A light detection apparatus is described. The apparatus includes a photomultiplier tube having a window for receiving light incident thereon. A photocathode is affixed to an inner surface of the window in a known manner. The apparatus further includes an optical fiber and a means for coupling the optical fiber to the window of said photomultiplier tube so that light can be introduced into the window at an angle that results in total internal reflection of the light. The coupling means may be embodied as a fiber optic terminal connector. Alternatively, the coupling means may include a prism affixed to the outside surface of the window.
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