国家自然科学基金(10874009)

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主动光钟的研究进展被引量：1
《科学通报》2015年第21期1963-1975,共13页庄伟 陈景标 
国家自然科学基金(10874009,11074011);国家自然科学基金重大项目(91436210);国际科技合作项目(2010DFR10900)资助
主动光钟是一种在腔反馈条件下以工作于原子跃迁谱线的光频受激辐射直接作为量子频率标准的新型原子光钟,有望将传统光钟稳定度提高2个量级,从而推动光钟的技术进步,应用更趋广泛.本文简述了光钟的发展历程及目前的关键技术瓶颈;介绍了...
关键词：主动光钟 坏腔激光 四能级主动光钟 原子滤光器 法拉第光钟 法拉第激光 
Narrower atomic filter at 422.7 nm based on thermal Ca beam
《Chinese Science Bulletin》2014年第28期3543-3548,共6页Zhichao Xu Xiaobo Xue Duo Pan Xiaogang Zhang Wei Zhuang Jingbiao Chen 
supported by the National Natural Science Foundation of China(10874009 and 11074011)
So far, the only Ca magneto-optic atomic filters reported are based on a heated Ca cell, and the transmission spectrum obtained is double-peaked with 3 GHz effective passband limited by Doppler broadening. A magneto-o...
关键词：原子束 过滤器 纳米 多普勒加宽 钙 传输效率 原子滤波器 多普勒宽度 
Global evolution of an analyzer angle on the Faraday anomalous dispersion optical filter at 1529 nm
《Chinese Science Bulletin》2013年第36期4582-4587,共6页TAO ZhiMing WANG YanFei HONG YeLong WANG DongYing ZHUANG Wei CHEN JingBiao 
supported by the National Natural Science Foundation of China(10874009 and 11074011)
In order to realize laser frequency stabilization,the global evolution of an analyzer angle on the electrodeless-discharge-vaporlamp-based excited-state Faraday anomalous dispersion optical filter(LESFADOF)with a sing...
关键词：法拉第反常色散 光学滤波器 演进 激光稳频 无电极放电 无线电频率 频率稳定 激发态 
Active optical clock based on four-level quantum system被引量：6
《Chinese Science Bulletin》2013年第18期2033-2038,共6页ZHANG TongGang WANG YanFei ZANG XiaoRun ZHUANG Wei CHEN JingBiao 
supported by the National Natural Science Foundation of China (10874009 and 11074011)
Active optical clock,a new conception of atomic clock,has been proposed recently.In this work,we propose a scheme of active optical clock based on four-level quantum system.The final accuracy and stability of two-leve...
关键词：主动光学 量子系统 四能级 时钟 三能级系统 激光增益 多普勒频移 粒子数反转 
Distribution of populations in excited states of electrodeless discharge lamp of Rb atoms被引量：1
《Chinese Science Bulletin》2013年第16期1876-1881,共6页TAO ZhiMing WANG YanFei HONG YeLong WANG DongYing ZHANG ShengNan ZHUANG Wei CHEN JingBiao 
supported by the National Natural Science Foundation of China (10874009 and 11074011)
The intensity of fluorescence spectral lines of Rb atoms in the region of 350-1110nm is measured in eletrodeless discharge lamp. The population ratio between the excited states is calculated according to the spontaneo...
关键词：原子激发态 无极灯 铷原子 种群分布 人口密度 无极放电灯 原子滤光器 概率计算 
单透射峰Faraday反常色散原子滤光器中检偏器角度的影响
《中国科学：物理学、力学、天文学》2012年第12期1346-1351,共6页陶智明 孙钦青 薛潇博 洪叶龙 陈景标 
国家自然科学基金资助项目(批准号:10874009;11074011)
本文研究了工作在Rb原子D2线(5S1/2→5P3/2)780nm单透射峰的法拉第反常色散原子滤光器(Faraday Anomalous Dispersion Optical Filter,FADOF)中检偏器角度变化对单透射峰的影响,在室温时,发现检偏器角度每增加1°,峰值透射率平均增加0.2...
关键词：法拉第反常色散原子滤光器 单透射峰 检偏器角度 
Multi-threshold second-order phase transition in laser被引量：4
《Chinese Science Bulletin》2011年第35期3812-3816,共5页ZHUANG Wei YU DeShui LIU ZhiWen CHEN JingBiao 
supported by the National Natural Science Foundation of China(10874009 and 11074011)
We present a theory of the multi-threshold second-order phase transition,and experimentally demonstrate the multi-threshold secondorder phase transition phenomenon.With carefully selected parameters,in an external cav...
关键词：二阶相变 多阈值 激光相变 激光器系统 二极管 实验 外腔 
A 657-nm narrow bandwidth interference filter-stabilized diode laser被引量：2
《Chinese Optics Letters》2011年第4期46-47,共2页王正博 吕晓凯 陈景标 
supported by the Ministry of Science and Technology of China (No. 2005CB724500);the National Natural Science Foundation of China (No. 10874009)
We present a 657-nm external cavity diode laser （ECDL） system, where the output frequency is stabilized by a narrow-band high transmission interference filter. This novel diode laser system emits laser with an insta...
关键词：Semiconductor lasers 
Active optical clock被引量：21
《Chinese Science Bulletin》2009年第3期348-352,共5页CHEN JingBiao 
Supported by the National Basic Research Program of China (Grant No. 2005CB724500);National Natural Science Foundation of China (Grant No. 10874009)
This article presents the principles and techniques of active optical clock, a special laser combining the laser physics of one-atom laser, bad-cavity gas laser, super-cavity stabilized laser and optical atomic clock ...
关键词：光学原子钟 激光线宽 活性原子钟 激光物理 
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