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inversion population
相关语句
  反转粒子数
     A theritical study of the kinetic process of a new practical 1.3μm He-Ne laser (the exact wavelength is 1.2912μm) is present. We use the kinetic model of sixteen-level system to calculate the relation curves of the small-signal inversion population and the inner parameters, and obtain the theoritical values of the optimum Pd and P_(He)/ P_(Ne) they are in accordance with the experimental results.
     本文报道了一种新的实用性1.3μmHe-Ne激光器(精确波长为1.2912μm)的动力学过程理论分析,用十六能级系统模型计算出小信号反转粒子数与内参量的关系曲线,获得了最佳Pd值和配比的理论值,与实验结果一致。
短句来源
     Using above conclusion, the oscillating characteristics of single mode field such as saturation phenomena of inversion population, effects of spatial holeburning and frequency pulling are discussed.
     并用此结果讨论了单模激光振荡中出现的反转粒子数饱和现象,空间烧孔效应及频率牵引效应等。
短句来源
     In this paper, the theoretical expressions for the output-input relation and the slope efficiency of a four-level laser are obtained with the spatial distributions of the intracavity beam intensity and the inversion population density and the level splittings within the upper and lower level manifolds being taken into account. These theoretical expressions are much more precise than those obtained before.
     本文得到了考虑腔内光强及反转粒子数密度的空间分布以及激光上、下能级组中能级分裂情况下四能级激光器输入输出关系的表达式及斜率效率的表达式,该表达式比以往得到的理论结果相比其精度有较大程度的提高。
  相似匹配句对
     The ratio of population inversion is 0.44.
     得到粒子数的反转比为0.44。
短句来源
     And the performance of population inversion of the composite 180?
     并且用数值计算方法对该组合180°脉冲的布居数反转效果进行了分析。
短句来源
     Population and Pollution
     人口与污染
短句来源
     ⑤population;
     ⑤人口的变化;
短句来源
     On Inversion and Emphasis
     谈英语的倒装与强调
短句来源
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  inversion population
The stationary signal intensity, duration and total energy are substantially dependent on the nonresonant loss in the medium, the relaxation time T2 and the initial inversion population difference N1.
      
We discuss the ion-ion recombination of positive metal ions and negative oxygen ion in a pulsed gas discharge for realization of the pulsed inversion population mechanism.
      
Saturated inversion population distribution inside the gain medium plays an important role in the transverse pattern formation.
      
The effect of thermal lens, thermal deformation effect, and saturated inversion population distribution inside the Yb:YAG crystal on performance of heavy-doped Yb:YAG microchip lasers are also addressed.
      
The calculations of the inversion population of gas lasers must take into account, that the lifetime of laser levels can differ from those of isolated atoms.
      
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Green light can be efficiently generated by intracavity-doubeling under Q-switch at a high repitition. Its dynamic characterises are studied in this paper. The optimum coupling coefficient is a function of initial inversion population. A home-made MQW-LDA with an output power of 200 mW is used in our experiment to pump a Nd : YAG laser with accousti-optics Q-switch and KTP intracavity-doubling. SHG output energy of 0. 4 μJ has been obtained with the pulse width of 70 ns.

DPL的调Q倍频是获得高重复率绿光输出的有效方法,本文研究了这种激光器的动态特性,提出存在使转换效率最高的最佳非线性耦合系数,它是调Q时反转粒子数超阈值倍数的函数.实验用国产200mWR的MQW—LDA泵浦Nd:YAG激光器,声光调Q,KTP腔内倍频,输出0.4μJ的倍频光,脉宽70ns,峰功率6W.

A theritical study of the kinetic process of a new practical 1.3μm He-Ne laser (the exact wavelength is 1.2912μm) is present. We use the kinetic model of sixteen-level system to calculate the relation curves of the small-signal inversion population and the inner parameters, and obtain the theoritical values of the optimum Pd and P_(He)/ P_(Ne) they are in accordance with the experimental results. The output power of linear-polarized single-mode laser has reached 4.38 mW, and the spectrum line width is...

A theritical study of the kinetic process of a new practical 1.3μm He-Ne laser (the exact wavelength is 1.2912μm) is present. We use the kinetic model of sixteen-level system to calculate the relation curves of the small-signal inversion population and the inner parameters, and obtain the theoritical values of the optimum Pd and P_(He)/ P_(Ne) they are in accordance with the experimental results. The output power of linear-polarized single-mode laser has reached 4.38 mW, and the spectrum line width is of the order of kilohertz.They are perfect coherent sonrces for optical fiber communication.

本文报道了一种新的实用性1.3μmHe-Ne激光器(精确波长为1.2912μm)的动力学过程理论分析,用十六能级系统模型计算出小信号反转粒子数与内参量的关系曲线,获得了最佳Pd值和配比的理论值,与实验结果一致。单模线偏振输出的激光器的功率已达到4.38毫瓦,光谱线宽为千赫量级,它适用于光纤通信领域。

in this paper a ground state level c is added in the framework of the Lamb's semi classical laser theory.The inversion population has been obtained under this condition. On a reasonable assumption the approximate expression of the inversion population is given.

在Lamb半经典理论的框架内加入一个基态能级c,求解出在此条件下的反转粒子数ρaa-ρbb,在一些合理的假设下,得到反转粒子数的近似表示式。

 
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