rectangular wave grating

基本解釋

The electromagnetic field problem of a rectangular grating illuminated with TM wave is studied theoretically by means of rigorous field-matching and moment method.
本文從嚴(yán)格的場匹配方法出發(fā)，對電磁波在矩形截面光柵上的反射和衍射進(jìn)行了理論研究。
The refractive index distribution function of long period fiber grating (LPG), which is ultraviolet written by amplitude mask, is a rectangular wave in the core region.
振幅掩膜紫外寫入的長周期光纖光柵的纖芯折射率分布函數(shù)為矩形波。
The beam-wave interaction of an open rectangular grating waveguide SWS is analyzed. The 'hot' dispersion equation of the SWS is obtained according to the self-consistent field theory.
采用自洽場理論，推導(dǎo)出了“熱”色散方程，并通過數(shù)值計(jì)算的方法考察了慢波結(jié)構(gòu)參數(shù)以及電子注參數(shù)對小信號增益的影響。