类波导结构
analogue waveguide configuration
光弹波导结构
photoelastic waveguide structures
圆结构光
Circle structured light
circular structured light
ring-structured-light
光波导结构
optical waveguide structure
圆底结构
round bottom construction
折叠波导慢波结构
Folded waveguide slow wave structure
多层电介质波导结构
Multilayer dielectric waveguide
管状和圆盘状结构
tubular and disc shaped structure
圆柱型结构
cylindrical configuration