The ray optics and wave optics methods for slab waveguides are also explained while the Marcatili's method and the effective index method are introduced for channel waveguides.
研究了平面平板波导的射线理论分析法和电磁场分析法，条形波导的马卡梯里法和等效折射率法。
2
OKALUX, like channel glass, is an insulating glass product that, per the catalog, features, "a translucent capillary slab covered with glass fiber tissues in the cavity."