考虑了在CIEL a b 3D色空间中以色立体作为综合评价分色合色膜色再现性能的标准 ,分析了宽锥角光束入射时分色合色膜空间角度特性对图像色再现质量的影响 ,从优化色立体体积出发提出了用预补偿的方法来优化膜系设计 ,提高了宽锥角光束...考虑了在CIEL a b 3D色空间中以色立体作为综合评价分色合色膜色再现性能的标准 ,分析了宽锥角光束入射时分色合色膜空间角度特性对图像色再现质量的影响 ,从优化色立体体积出发提出了用预补偿的方法来优化膜系设计 ,提高了宽锥角光束入射下膜系的色再现性能。展开更多
A wide-angle beam propagation algorithm based on an oblique coordinate system is presented.A waveguide with tilted structure is simulated in terms of this method and the conventional wide-angle BPM. By comparing the r...A wide-angle beam propagation algorithm based on an oblique coordinate system is presented.A waveguide with tilted structure is simulated in terms of this method and the conventional wide-angle BPM. By comparing the results,it is found that this method is effective especially in tilted structure. The Y-junction has been also simulated in terms of this new method,and the good results are obtained.展开更多
文摘A wide-angle beam propagation algorithm based on an oblique coordinate system is presented.A waveguide with tilted structure is simulated in terms of this method and the conventional wide-angle BPM. By comparing the results,it is found that this method is effective especially in tilted structure. The Y-junction has been also simulated in terms of this new method,and the good results are obtained.