獲得P20型光源的方法
METHODS OF GETTING P20 TYPE LIGHT SOURCE
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摘要: 為了測量用于x光攝象的氧化鉛攝象管的靈敏度。要求使用P20型光源。本文討論了獲得P20光源的兩種方法:(1)一個涂有P20螢光粉的不聚焦不偏轉(zhuǎn)的小型示波管和四套電源組成的P20型光源;(2)A光源通過三片特殊的濾光片組成的P20型光源。文章對這兩種方法進(jìn)行了比較。
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關(guān)鍵詞:
- 攝象管靈敏度; A光源; P20型光源
Abstract: For testing the sensitivity of plumbicon used in x-ray camera a P20 type light source is required. There are two methods of getting P20 type light source: (1) The P20 type light source is composed of a mini-oscillotron, screen of which is coated with P20 type phosphor, and four power supplies. (2) The P20 type light source is obtained by adding three particular filters to an A light source. The performance of two sources obtained by different methods are compared. -
Philips Data Handbook, Electron Tubes, Part 10, May 1983, Philips MBLE Associated S. A., Pd17.[2]Illuminating Engineering Society, IES Lighting Handbook, Third Edition, 1959, P. 3-3, 1860 Broadway, New York, 23, N. Y.[3]Philips Data Handbook, Electron Tubes, Part 56, Image Intensifier Tubes, Pd17. -
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