Photocathode中文
WebJun 28, 2024 · Photoelectrochemical oxygen reduction reaction (ORR) toward H2O2 is highly desirable because only sunlight, O2 and water are required in the process. However, the … WebApr 15, 2024 · 中文 (中国) Login. Изнесен семинар на кат. Атомна физика ... Study of the non-uniformity of photocathode response of H11934 and R7600U PMTs Vladislav Todorov. 16/04/2024, 18:40 Семинар. 1. Вечеря и неформална дискусия ...
Photocathode中文
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Web在中文中翻译"photocathode". 名词. 光阴极. 其他翻译结果. With good light collection, about 30% of the luminescence quanta may reach the photocathode. 在良好的光收集条件下， … Webphotocathode (reflection-mode photocathode) and a circular-cage structure electron multiplier which has good sensitivity and high amplification at a relatively low supply …
A photocathode is a surface engineered to convert light (photons) into electrons using the photoelectric effect. Photocathodes are important in accelerator physics where they are utilised in a photoinjector to generate high brightness electron beams. Electron beams generated with photocathodes are commonly used for free electron lasers and for ultrafast electron diffraction. Photocathode… WebMar 1, 2024 · As shown in Fig. 1, a photocathode preparation system was designed and manufactured at Peking University, which consists of a deposition chamber, a transfer chamber, moving bellows, and an UHV suitcase.This design can meet the requirements of both on-line and off-line deposition. The transfer chamber is used to transfer the …
WebThe meaning of PHOTOCATHODE is a cathode that emits electrons when exposed to radiant energy and especially light. 光電倍增管是由玻璃封裝的真空裝置，其內包含光電陰極 （photocathode），幾個二次發射極 （dynode）和一個陽極 (Anode)。入射光子撞擊光電陰極，產生光電效應，產生的光電子被聚焦到二次發射極。其後的工作原理如同電子倍增管，電子被加速到二次發射極產生多個二次電子，通常每個二次發射極的電位差在 … See more 光電倍增管（Photomultiplier，簡稱PMT），是一種對紫外光、可見光和近紅外光極其敏感的特殊真空管。它能使進入的微弱光信號增強至原本的10 倍，使光信號能被測量。 See more 光電倍增管集高增益，低干擾，對高頻信號有高靈敏度的優點，因此被廣泛應用於高能物理、天文等領域的研究工作，與及流體流速計算、醫學影像和連續鏡頭的剪輯。雪崩光電二極體（Avalanche photodiodes，簡稱APDs）為光電倍增管的替代品。然而，後者仍在大部份的 … See more
WebFeb 12, 2016 · Photomultipliers acquire light through a glass or quartz window that covers a photosensitive surface, called a photocathode, which then releases electrons that are multiplied by electrodes known as metal …
WebMar 29, 2024 · A photocathode is a negatively charged electrode in a light detection device such as the input screen in an image intensifier (II) that is coated with a photosensitive compound. When this is struck by light photons, the absorbed energy causes electron emission due to the photoelectric (PE) effect.. Composition. In an image intensifier, the … grain and berry caloriesWebJan 1, 1972 · Photocathode Composition Photocathodes were processed from Sb films with initial surface densities ranging from 3 t o 12 pg/cm2, although in most cases a value of 4 t o 6 pg/cm2 was used. This corresponded t o a total film weight of 80 to 120 pg (Sb deposited on one side of substrate only) and was considered to be representative of typical ... china large wooden mirror factoryWeb英漢例句. When light enters the photocathode of a photomultiplier tube, photoelectrons are emitted from the photocathode.. 當光線進入光電陰極的光電倍增管，光電子從陰極發出。 … china large water purifierWeb中文翻譯 手機版. n. 【物理學】光陰極，光電陰極。. "alloy photocathode" 中文翻譯 : 合金光電陰極; 合金型光電陰極. "bialkali photocathode" 中文翻譯 : 雙堿光電陰極. "continuous … grain and berry gift cardWebA photocathode is an electrode used to release photoelectric emission when irradiated, making it then the irradiated negative electrode of a phototube. The Photonics Buyers' Guide is a comprehensive resource for verified providers of Photocathodes. Profiles and contact information for manufacturers and suppliers are provided by the companies ... grain and berry calorie countWeb"photocathode" 中文翻译: n. 【物理学】光阴极，光电阴极。 【物理学】光阴极，光电阴极。 "photocartograph" 中文翻译 : 立体测图仪; 摄影测图仪; 摄影绘图仪; 摄影制图仪 grain and berry discount codeWebPhotocathode 释义: a cathode that undergoes or is used for photoemission 意思、发音、翻译及示例 grain and berry delivery