A band-stop angular filter (BSF) based on hump volume Bragg gratings (HVBGs) is proposed. Band-stop filtering in a two-s......

基于对体光栅衍射效率的计算分析,本文直接地、精细地讨论了体光栅的功率守恒问题.结果指出:弱耦合前提假定下的双波耦合波二阶理......