The application of photonic crystals in microwave devices, especially in high directive antennas and photonic bandgap microstrip structures, is reviewed.
文章以高方向性天线及光子晶体微带传输线为例，综述了光子晶体在微波技术中的研究进展。
Thereafter, the concept of photonic crystals is introduced, photonic bandgap theory is analyzed.
紧接着本文介绍了光子晶体的概念，分析了光子晶体的能带理论。
Photonic crystals are a new kind of materials with photonic bandgap, their unique physical features bring about a number of theory research and wide application prospect.
光子晶体是一种具有光子带隙的新型功能材料，它独特的物理性质使得光子晶体具有理论研究价值和广泛的应用前景。
Band structure of the photonic crystals shows that there exists a partial bandgap.
通过分析这种光子晶体的能带结构，显示其存在部分带隙。
Band structure of the photonic crystals shows that there exists a partial bandgap.
通过分析这种光子晶体的能带结构，显示其存在部分带隙。
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