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New Detector for the Vacuum Ultraviolet

机译:新型真空紫外线探测器

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摘要

A new method is described for detecting vacuum uv radiation. This radiation is converted to visible light in two steps, the first being creation of photoelectrons at a high voltage cathode, the second consisting of stopping these electrons in a scintillator at ground potential. The visible scintillations are detected with a standard photomultiplier. The system has been compared with a sodium salicylate detector, using a vacuum uv monochromator and a steady light source. Spectral lines between 500 and 1300 Å have readily been recorded. Compared to other systems, the new detector offers a number of advantages which are discussed. Preliminary results for pulsed light sources indicate that the method is also useful for studying phenomena whose time scales are of the order of 1 μsec.
机译:描述了一种用于检测真空紫外线辐射的新方法。该辐射分两步转换为可见光,第一步是在高压阴极上产生光电子,第二步是将这些电子在闪烁体中停止在地电位。用标准的光电倍增管检测可见的闪烁。该系统已与使用真空紫外单色仪和稳定光源的水杨酸钠检测仪进行了比较。 500至1300Å之间的光谱线已被轻松记录下来。与其他系统相比,新型检测器具有许多优点,这些优点已在本文中进行了讨论。脉冲光源的初步结果表明,该方法也可用于研究时间标度约为1微秒的现象。

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