镜反射率 meaning in English
specular reflectivity
Examples
- The measurement of reflectance is at 3b1 line of synchron radiation devices in beijing high energy physical institute , chinese abstract academy of science
多层镜反射率的测量是在中国科学院北京高能物理研究所的同步辐射装置的3b1束线上进行的。 - And it should be linear polarization in s direction by analyzing the relations between the reflection , absorption loss of optical thin film at oblique incidence and the polarization state , and at this time the brewster window made of very low - absorption material can be used
通过对斜入射高反射镜反射率、吸收损耗与光束偏振特性间的关系进行分析，表明谐振腔内的本征振荡最好应为s方向的线偏振光，这样光束输出窗口还可采用布儒斯特窗。 - Based on these foundations , we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基础上，给出了一整套bbo - opo激光参数设计方案：计算了不同泵浦强度下的参量放大倍数；详细计算了在nd : yag调q激光器各次谐波泵浦条件下的共线类和类相位匹配的调谐曲线，以及非共线类相位匹配调谐曲线；分析了走离角对非线性系数和群速匹配的影响；计算了参量过程的允许角；计算了bbo - opo的理论阈值条件；分析了饱和与泵浦光束的消耗过程；给出了转换效率与超过泵浦阈值的倍数的关系；讨论了转换效率与输出镜反射率的关系；讨论了线宽控制的各种方法；研究了利用非稳腔改善光束质量的方法；考虑了bbo晶体的设计。 - In this paper , some investigation and design as following . have been carried out on er - yb codoped phosphate glass waveguide laser first , three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation . the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched
首先,从er ~ ( 3 + ) - yb ~ ( 3 + )能级结构出发,结合激光稳态速率方程与传输方程,对铒镱波导激光器的三个主要性能参数:阈值功率、输出功率、斜率效率作了理论计算分析,并研究了铒、镱离子浓度、光波导激活长度、信号光与泵浦光光斑半径比例、输出耦合镜反射率对这三个关键性能参数的影响。