DOWNCONVERSION

作品数:19被引量:48H指数:3
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相关领域:电子电信更多>>
相关作者:李月英苏青郭伟华王丽君秦磊更多>>
相关机构:大连工业大学清华大学中山大学昆明理工大学更多>>
相关期刊:《Journal of Rare Earths》《Journal of Wuhan University of Technology(Materials Science)》《Chemical Research in Chinese Universities》《Chinese Physics B》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划重庆市自然科学基金瑞士科学基金更多>>
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Broadband downconversion in YVO_4:Tm^(3+),Yb^(3+) phosphors被引量:1
《Journal of Rare Earths》2013年第1期27-31,共5页姜桂铖 韦先涛 陈永虎 段昌奎 尹民 
Project supported by the National Key Basic Research Program of China (2013CB921800);the National Natural Science Foundation of China (11074245, 11204292, 11274299);the Fundamental Research Funds for the Central Universities (WK2030020022)
An efficient near-infrared (NIR) downconversion (DC) by converting broadband ultraviolet (UV) into NIR was demon- strated in YVO4:Tma+,yb3+ phosphors. The phosphors were extensively characterized using variou...
关键词:DOWNCONVERSION YVO4:Tm3+ yb3+ energy transfer rare earths 
Cooperative Quantum Cutting of Nano-Crystalline BaF2:Tb^3+, Yb^3+ in Oxyfluoride Glass Ceramics被引量:2
《Chinese Physics Letters》2008年第6期2078-2080,共3页陈景鑫 叶松 王玺 邱建荣 
Supported by the National Natural Science Foundation of China under Grant Nos 50672087 and 60778039, the National Basic Research Programme of China under Grant No 2006CB806007, the National High-Tech Research and Development Programme of China under Grant No 2006AA03Z304, and the Programme for Changjiang Scholars and Innovative Research Team in University (IRT0651).
We report on cooperative quantum cutting in Tb^3+- Yb^3+ codoped glass ceramics. Precipitation of BaF2 nanocrystals is confirmed by XRD and HRTEM analysis. Near-infrared emission due to transition of Yb^3+ ions und...
关键词:DOWNCONVERSION SPECTROSCOPY ER3+ 
A New Low Voltage RF CMOS Mixer Design
《Journal of Semiconductors》2005年第5期877-880,共4页刘璐 王志华 
国家自然科学基金(批准号:60475018,60372021);国家重点基础研究发展计划(批准号:G2000036508)资助项目~~
A new architecture of CMOS low voltage downconve rsion mixer is presented.With 1.452GHz LO input and 1.45GHz RF input,simulation results show that the conversion gain is 15dB,IIP3 is -4.5dBm,NF is 17dB,the maximum tra...
关键词:downconversion mixer CMOS process noise and linearity analysis 
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