倍增器光電管 的英文怎麼說
中文拼音 [bèizēngqìguāngdiànguǎn]
倍增器光電管
英文
multiplier phototube- 倍 : Ⅰ名詞(跟原數相同的量) times Ⅱ形容詞(加倍) double; twice as much
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
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In electronic detectors such as photomultipliers and television tubes, noise manifests itself as random fluctuations in the output current.
對于光電倍增管,電視攝像管之類的電子探測器,噪聲則表現為輸出電流的隨機起伏。Test procedures for photomultipliers for scintillation counting and glossary for scintillation counting field
閃爍計數器用光電倍增管試驗程序和閃爍計數專業詞匯Discuss the method to improve the efficiency of collecting signal and signal - noise ration. make the setup of detection device, high voltage supply of pmt and low - noise preamplifier ; doing lif detection experiment to green fluorescent dye
詳細討論了提高熒光採集效率和信噪比的措施,製作了探測機構、光電倍增管的高壓供電電路和前置放大器。The hamamatsu r5924 photomultiplier tube of mesh type will be used for the time - of - flight counter of the beijing electron - positron spectrometer ( bes )
摘要北京譜儀中的飛行時間探測器將採用濱松公司生產的細網型光電倍增管r5924 。2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統,以石英分支光纖作為傳輸光信號介質,高精度光電倍增管檢測, 16位多道數據採集卡為a d轉換,採用visualbasic編寫windows平臺操作軟體,菜單提示,窗口人機對話,研製成功單通道光纖化學過程傳感儀器系統。The research of positron imaging systems can be divided into two parts : imaging instrumentation and image reconstruction, which are the main interest of this thesis. the bgo ( bismuth germanate ) scintillation crystal coupled with a position sensitive photomultiplier tube ( ps - pmt ) h7546 are used to build the y - rays detector
我們設計了以閃爍晶體作為成像前端,與多陽極位置靈敏型光電倍增管相耦合的射線探測器,具體為bgo ( bi _ 4ge _ 3o _ ( 12 ) ,鍺酸鉍)晶體、 hamamastu的h7546光電倍增管。A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described. the process of spdc is studied theoretically. the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained. an experimental system has been set up. the sensitivity of a photon - counting photomultiplier tube was measured, and the results were compared with those obtained using conventional method
討論了一種基於自發參量下轉換雙光子場絕對校準光電探測器靈敏度的新方法,著重推導了對自發參量下轉換過程中產生的單光子的探測概率和雙光子的符合速率,從而闡明了絕對測量光電探測器量子效率的原理.基於這一方法對光子計數型光電倍增管的響應靈敏度進行了測量,並將實驗結果與常規方法測得的結果進行了比較Measurement of photosensitive devices. part 4 : methods of measurement of photo multipliers
光敏器件的測量.第4部分:光電倍增管的測量方法We adopt double alkali cathodal tube 9789qb, which was made by emi corporation in england, as our photomultiplier, whose spectrum ranges between 300nm to 650nm, with less noise counters and single - photon apices, which make it suitable as a single - photon - counter. the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size, simple in structure, easy in processing, cheap in cost and good in performance
該管型的光譜范圍在300 650nm ,具有暗計數少,有單光子峰的特點,適于做單光子計數器;本文的光電倍增管分壓器設計合理而冷卻系統採用液氮,該系統體積小、結構簡單、加工便利、成本低廉且性能良好。A confocal laser induced fluorescence detector based on a 635nm laser diode is established for use with the micro fluidic, capillary electrophoresis chip in the study. the photo multiplier tube is employed for the detection of the fluorescence and the a / d card for sampling signal
該檢測器採用635nm半導體激光器作為光源,通過共焦光路收集熒光信號,經高性能的濾光片濾光,由光電倍增管進行光電轉換,再由a / d卡將信號輸入到計算機中。分享友人