Effects of overlapping factors on the gain and pumping threshold power are discussed in detail.
详细讨论了重迭因子对增益、泵浦阈值功率的影响。
So in this thesis, the pumping threshold characteristics are studied via experiment, theoretical analysis and numerical simulation.
本文主要从实验、理论及数值模拟三方面对随机激光的泵浦阈值特性进行了一定的研究。
Results show that the pumping rate dependence of the output intensity presents not only a threshold property, but also a saturation property, just like that of lasing modes in conventional lasers.
结果表明，与传统激光模式相似，随机激光模式的强度随抽运速率的变化不仅具有阈值特性，而且具有饱和特性。
The relationship among the laser threshold, the output intensity profile and the pumping fields has been studied experimentally.
实验研究了激光器的阈值和激光器输出的光强分布与泵浦光场之间的关系。
In conventional CMOS charge pump circuits, the pumping high voltage is limited by MOS threshold voltage, so that it can not use less cascade stages to pull up a high voltage which we want to generate.
在传统的CMOS电荷泵电路中，电荷泵输出的电压受MOS管的阈值电压限制，所以当要求电荷泵的输出电压较高时，则不得不连很多阶来达到要求。
In this paper, the influence of the pumping noise and the spontaneously radiative noise on the threshold behaviour for the single mode dye lasers has been analysed by making use of WKB theory.
本文利用WKB理论分析了泵浦噪声与自发辐射对单模染料激光器阈值行为的影响。
The waveguide cavity structure provides a method which can reduce a threshold value and can obtain laser through low-power pumping for various laser gain materials with high threshold values.
这种波导腔结构为各种高阈值的激光增益材料提供了一种降低阈值，并可在低功率下泵浦获得激光的方法。
The upper limit of the gain is determined by the threshold of the SBS of the system. The maximum gain can be raised in the case of double-pass pumping.
增益的提升上限取决于系统受激布里渊散射的阈值，在双程泵浦下增益的上限可得到提高。
Additionally, the influence of such factors as disordered medium, pumping sources and external environment on the lasing threshold is discussed.
并研究了随机介质、泵浦源以及外部环境等因素对随机激光阈值特性的影响。
Results show that the lasing threshold of TM modes can be lower than that of te modes when the radius of the local pumping region is suitably selected.
结果显示，在合理选择局域抽运范围的情况下，TM偏振模式能够获得比TE偏振模式更低的阈值。
Results show that the lasing threshold of TM modes can be lower than that of te modes when the radius of the local pumping region is suitably selected.
结果显示，在合理选择局域抽运范围的情况下，TM偏振模式能够获得比TE偏振模式更低的阈值。
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