The results show that the transfer efficiency of the waveguide is related to the laser beam mode the focal length of the coupling lens and the waveguide length .
结果表明 波导的传输效率与激光模式、耦合 透镜 焦距及波导长度有关,低阶模时,效率高,多模时,效率低,耦合透镜焦距长,损耗小,反之损耗大;
Design of the Optical Waveguide Geodesic Lens Without Curvature Singularity
无曲率奇点的光 波导短程 透镜的设计
In order to improve radiation from waveguide TM_ 01 mode plate lens is laid at aperture plane of conical horn phasic difference of 180 degree is produced along orthogonal fields for the acceleration of wave between plates .
为了改善 圆 波导TM01模的辐射特性,在圆锥喇叭口径处加平行板 透镜,利用平行板的加速特性使正交方向的场产生180°的相位差。
Experimental study on fabrication of polymer optical waveguide lens by photobleaching
光漂白法制备聚合物光 波导 透镜的实验研究
A new taper coupler is developed for coupling 10.6 μ m radiation from a CO 2 laser into Ge Ag Ni hollow waveguide . The design and fabrication of the taper coupler are presented and the coupling efficiency of both the lens and taper coupler are measured .
介绍了一种把CO2激光器的10.6μm辐射耦合到 Ge-Ag-Ni空心 波导的锥形耦合器,以及该耦合器的设计和制作,并对两种耦合器的耦合系数进行了对比分析。
The mode distribution of electromagnetic field in asymmetry waveguide is analyzed . Differential coefficient equation and generatrix expression of geodesic lens is deduced .
首先,分析了在非对称 光 波导中电磁场分布的模式,并推导了短程 透镜的微分方程及其旋转母线表达式。
Achievement of pencil-beam radiation from a TM_ ( 01 ) mode circular waveguide source using multi-sector dielectric lens
利用多扇区介质 透镜得到TM(01)模激励的圆锥 喇叭笔形波束辐射
Preparing chirped grating on PMMA / DR1 polymer waveguide by photobleaching method has been studied first time and the lens effect of this chirped grating for its diffraction light beam has been observed in experiment .
首次采用了光漂白方法在PMMA/DR1平面 波导上制备出了啁啾光栅,从实验上观测了这种啁啾光栅对衍射光的 透镜效应。
波导管透镜