光反射率 meaning in English
luminous reflectance
luninous reflectance
Examples
- Test method for measuring optical reflectivity of transparent materials
测量透明材料光反射率的试验方法 - We numerically analysis the changes of laser performances , such as laser power , with the parameters of laser cavity , including output mirror reflectivity , optimum length of double clad fiber , the cavity loss and concentration values of the fiber . these results are very important when optimizing the structure of a double - clad fiber laser . the variation of the temperature , stress , refractive index and laser efficiency of a high power double clad fiber laser due to the thermal effects is theoretical analyzed by using thermal conduction equations
由激光器输出特性准解析表达式出发详细分析了掺yb3 +双包层光纤激光器输出功率、泵浦功率、光纤的最优长度等参数与后腔镜对信号光反射率r2 、对泵浦光反射率r3 、双包层光纤掺杂浓度等结构参数的关系,并进行了数值模拟,模拟结果表明,激光器的性能参数受其结构参数的影响很大,为优化设计双包层光纤激光器的结构提供了理论依据。 - On the design of the system , the thickness measure system of mems chip is built based on lbu and pump - probe technology . on the analysis of data , the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound , and the thickness is calculated using the system designed by the article , to aluminum film the size of about 20nm can be measured , when the film be measured is single layer , the relative error of the system is less than 2 % , when the film be measured is double layer , the relative error of the system is less than 10 %
在基础理论方面研究了激光(特别是超短脉冲激光)超声的激励机理，探讨了激光调制技术以提高系统信噪比，阐述了泵束探针束技术及相关实验设置；在系统设计上，以激光超声为基本原理，以泵束探针束技术为系统设计方案完成了mems基片厚度测量系统的设计；在数据分析方法上，利用声致光反射率变化的一般规律对测得的光反射率曲线进行分析，确定超声回波在薄膜两界面间来回传播的时间，以计算薄膜的厚度。 - Measurements show that the optical properties of the co / aao composites depend on the length and the diameters of co nano - wires . as the co composition increased , the absorption band - edge is strongly red - shifted ( 115 nm ) and the even reflectance of the composite change from 70 % to 6 % . meanwhile the reflectance is more sensitive to the change of the diameter of co nano - wire
随体系中co沉积量的增加， co aao复合结构的吸收边将发生较大幅度的红移(观察到的频移量约为80nm ) ，而光反射率随之降低(调制幅度可从70至6 ) ，且反射特性更加敏感于co纳米线直径的变化； 4