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- Nonuniformly injected SOAs can improve carrier density hole-burning effects and have more stable gain and higher saturation output power than conventional SOAs. 采用非均匀注入结构,可以达到改善SOA内部载流子空间烧孔效应、稳定增益、提高输出功率的目的。
- Using steady state rate equations,closed form solutions for carrier density in the active layer is deduced. 利用稳态速率方程 ,导出了激光器有源区载流子密度与偏置电流及输入信号光功率关系的隐函数表达式。
- The higher carrier density in the type-II quantum well results in higher Auger recombination rate as temperature increases. 第二型量子井中较高的载子浓度可能是高温时欧杰复合速率增加的原因。
- The effects of different irradiation energy density and laser wavelength on the carrier density and the process of temperature ultrafast variation were investigated. 研究了不同辐照能量密度和不同激光波长对载流子密度和温度超快变化过程的影响规律。
- The linear relation of gain on carrier density in the conventional rate equation is replaced by the logarithmic relation (gain saturation effect) for quantum well (QW) lasers. 用量子阱激光器增益与载流子浓度的对数关系(增益饱和效应)取代了体材料的线性关系,得到了适用于量子阱结构的速率方程,详细分析和计算了这一修正的影响。
- Besides, polarization characteristic depends closely upon the internal crystal defect and inhomogeneous crystallization for the active layer of laser as well as the partition ratio of injected carrier. 此外;偏振特性的好坏还与激光器有源层内部晶体缺陷、非均匀性结晶和注入载流子的分配比密切相关.
- The thicknesses of the layers between the active region and the ridge waveguide are optimized by taking into account the injected carrier distribution and local material gain in the SLD cross section. 考虑了注入载流子横向分布的不均匀,较准确地计算了模式增益。结果表明,通过对残留层和上光限制层厚度的优化,可以有效提高SLD与单模光纤的耦合功率。
- It is indicated that the laser structures with many quantum wells will suffer from the inhomogeneity of the carrier density within the quantum well itself which affects the LD performance. 结果表明,当激光器包含多个量子阱时,量子阱内部的载流子密度的不均匀性会损害激光器的性能。
- The essay discusses a series of tests which the factors of the carrier density .solidified agent density, medium and PH value influence the capacity of lysine production solidified yeasts. 本文报道了载体浓度、固化剂浓度、培养基浓度以及其PH值等因素对固定化酵母产赖氨酸影响的系列试验和结果。
- Mott-Schottky analy?鄄sis showed that the hydrogen protons could enhance the dielectric constant of the passive film and account for the increase in capacitance and carrier density of passive films. 同时,氢促使钝化膜的介电常数增大,空间电荷电容增大,载流子密度增加,从而降低了钝化膜的稳定性。
- The applicability of the assumption, "the surface photo-voltage is a monotonic function of the surface excess minority carrier density", to epitaxial material is studied by numerical analysis method. 本文应用数值计算方法研究了表面光电压是表面非平衡少子浓度的单调函数这一假设对于同型外延材料的可应用性。
- In conducting polymer’s electroluminescence, 75%percent of injected carriers form triplet excitons, which can not irradiate. 在导电高聚物的有机发光中,75%25的注入载流子形成三重态激子,但是三重态激子是不能自动发光的。
- The nurse injected penicillin into her arm. 护士给她的胳膊注射了青霉素。
- The doctor injected the drug into my arm. 医生把药注入我手臂。
- Your carrier for this flight is British Airways. 你的这一班机是英国航空公司的飞机。
- The missile was launched from the aircraft carrier. 导弹是从航空母舰上发射的。
- The commercial carrier is doing a lively business. 那家商务运输公司业务繁忙。
- His medicine is a drug that can be injected or taken by mouth. 他的药可以注射或口服。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- He injected new ideas into the discussion. 他把新的概念引入讨论中。