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水溶液中PbS纳米晶生长过程的原位光谱检测 被引量:1
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作者 张雅婷 徐章程 姚建铨 《光学学报》 EI CAS CSCD 北大核心 2012年第9期168-173,共6页
为了研究纳米晶在溶液中的生长规律,设计并实现了一个能够实时监测纳米晶生长的原位透射光谱系统。利用该系统对PbS纳米线和纳米点在水相中生长过程进行了原位光谱检测,发现十二烷基硫酸钠对PbS纳米晶的定向生长起了非常重要的作用。
关键词 光谱 原位光谱检测 PbS纳米晶 光电性质
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Application of Optical Fiber in Radiation Detection Systems 被引量:1
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作者 Francisco Antonio Brandao Junior Antonella Lombardi Costa Amo Heeren de Oliveira 《Journal of Chemistry and Chemical Engineering》 2016年第3期120-127,共8页
In the last years, the production of optical fibers cables has made possible the development of a range of spectroscopic probes for in situ analysis performing beyond nondestructive tests, environmental monitoring, se... In the last years, the production of optical fibers cables has made possible the development of a range of spectroscopic probes for in situ analysis performing beyond nondestructive tests, environmental monitoring, security investigation, application in radiotherapy for dose monitoring, verification and validation. In this work, a system using an optical fiber cable to electromagnetic signal transmission from a NaI(TI) radiation detector is presented. The innovative device takes advantage mainly of the optical fibers large passband, small signal attenuation and immunity to electromagnetic interference to application for radiation detection systems. The main aim was to simplify the detection system making it to reach areas where the conventional device cannot access due to its lack of mobility and external dimensions. Some tests with this innovative system are presented and the results stimulate the continuity of the researches. 展开更多
关键词 NaI(T1) optical fiber radiation detection scintillator
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