Using wave guide theory, we deduce scalar approximate solution about transmissive light through a fiber weak-guide and give the expressions of field in each component.
根据光波导理论，推算出弱导条件下光沿光纤传输场的标量近似解，给出场的各分量表达式，以便分析讨论。
This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
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