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A sapphire monolithic differential accelerometer as core sensor for gravity gradiometric geophysical instrumentation
gradiometric gravimeter accelerometer Whispering gallery cavity
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2015/9/8
Gradiometric gravimetry is a survey technique widely used in geological structure investigation. This work demonstrates the feasibility of a new class of low frequency accelerometers for geodynamics s...
Offset frequency dynamics and phase noise properties of a self-referenced 10 GHz Ti:sapphire frequency comb
Offset frequency dynamics phase noise properties self-referenced 10 GHz sapphire frequency comb
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2011/8/11
Abstract: This paper shows the experimental details of the stabilization scheme that allows full control of the repetition rate and the carrier-envelope offset frequency of a 10 GHz frequency comb bas...
Single Crystal Sapphire at milli-Kelvin Temperatures: Observation of Electromagnetically Induced Thermal Bistability in High Q-factor Whispering Gallery Modes
Single Crystal Sapphire milli-Kelvin Temperatures: Observation of Electromagnetically Induced Thermal Bistability High Q-factor Whispering Gallery Modes
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2010/10/21
Resonance modes in single crystal sapphire ( -Al2O3) exhibit extremely high electrical and me-
chanical Q-factors ( 109 at 4K), which are important characteristics for electromechanical ex-periments...
Evaluation and modeling of the size fractionated aerosol particle number concentration measurements nearby a major road in Helsinki – Part II: Aerosol measurements within the SAPPHIRE project
size fractionated aerosol particle Helsinki SAPPHIRE project
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2008/12/16
This study presents an evaluation and modeling exercise of the size fractionated aerosol particle number concentrations measured nearby a major road in Helsinki during 23 August–19 September 2003 and ...
基于Ti∶sapphire振荡源的光参量啁啾脉冲放大器
激光放大器 参量振荡器与放大器 超快激光 超快技术
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2008/3/16
以钛宝石飞秒振荡源作为种子源,在二级放大器中,采用种子光被同一束抽运光在有效非线性系数最大的平面内放大两次的双通光参量放大结构,实现高增益光参量啁啾脉冲放大.实验得到了3×107的总增益,信号光输出能量为3 mJ,能量晃动小于3%rms,此时参量荧光仅占输出总能量的1%.实验结果表明,采用这种放大系统,提高了信号光与抽运光在时域上的匹配,有效地抑制了参量放大过程中参量荧光的产生,同时提高了系统的稳...
Comparisons of structural and optical properties of ZnO films grown on sapphire and Si(001)
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2007/7/28
期刊信息
篇名
Comparisons of structural and optical properties of ZnO films grown on sapphire and Si(001)
语种
英文
撰写或编译
作者
Qiu DJ,Wu HZ(吴惠桢),Xu XL,et al
第一作者单位
刊物名称
CHINESE PHYSICS LETTERS
页面
19 (11): 1714-17...
Structural and optical studies of MgxZn1-xO films grown on sapphire
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2007/7/28
期刊信息
篇名
Structural and optical studies of MgxZn1-xO films grown on sapphire
语种
日文
撰写或编译
作者
Chen NB,Wu HZ(吴惠桢),Qiu DJ
第一作者单位
刊物名称
ACTA PHYSICA SINICA
页面
53 (1): 311-315 JAN
出版日期
2004年
月
日
文章标识(ISSN)
相关...
Thermochemical and Green Luminescence Analysis of Zinc Oxide Thin Films Grown on Sapphire by Chemical Vapor Deposition
Zinc oxide chemical vapor deposition thermochemical activation energy hydrogen annealing green emission
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2010/4/12
This study has been carried out to detail an integral thermochemical analysis of the principal reaction in the production of zinc oxide (ZnO) thin films, including developing an analytical form of the...