gradient refractive index meaning in English
陡度折射率
Examples
- This work mainly studies the application of a kind of polymer gradient refractive index ( grin ) micro - sphere - lens fabricated by suspension diffusion co - polymerization method on retro - reflection materials
本工作研究的是具有梯度折射率( gradientrefractiveindex ， grin )分布的聚合物微球在回归反射材料上的应用。 - The digital oral endoscope is designed and realized in this paper , which is based on the technologies of digital signal processing and database , by using gradient refractive index rod lens , that is grin - lens , and photo - electronic imaging device
摘要以梯度折射率透镜（自聚焦透镜）为摄像镜头，通过光电转换，结合数字信号处理和数据库技术，设计并实现了数字化口腔内窥镜。 - Compared with current instruments , the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel , and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens . with a low power laser , the sample has a low scathe , and the laser and the measurement system can be integrated conveniently
与现有的同类型仪器相比，该仪器采用双层折射率样品匹配池减少了杂散光的干扰；采用带梯度折射率透镜的单模光纤接收、传输散射光信号提高了散射光的收集传输效率；用低强度的激光避免了对样品的辐射损伤，同时可以使激光器和系统集成在一起，整个系统小型实用。 - The physical meaning for each of the term in the coupling coefficient is stated . in particular , we advance firstly ( as far as our knowledge ) , that the birefringence can cause additional coupling for the directional coupler . then , taking the ti - diffused linbo3 directional coupler and the ti - diffused linbo3 with gradient refractive index for examples , we make the numerical simulation for the coupling coefficient or the propagation constant , which prove that the birefringence has played a crucial effect on the propagation constant and the coupling between the modes that we can not neglect
第二，我们推导出了弱导近似下各向异性光波导在任意微扰下的非正交耦合模理论，得到了物理意义鲜明的耦合波方程和耦合系数表达式，指明了耦合系数所包含的四项各自的物理意义及在不同条件下的取舍，首次提出在方向耦合器中双折射将引起附加的耦合，并以钛扩散铌酸锂方向耦合器和折射率渐变分布的钛扩散铌酸锂矩形波导为例对耦合系数进行了数值模拟，充分体现了双折射项对传播常数的影响。