近几年来,人们对可调谐光子晶体的兴趣日益增长,并且实际光子器件的应用推动着动态调谐方法的进一步发展.本文主要从光子带隙晶体的调谐机制、调谐途径、所用材料等方面,综述了可调谐光子晶体的研究进展.系统介绍了利用外部应力、电场、磁场、温度等激励,控制晶体结构参数的变化,实现光子带隙的改变;还介绍了通过控制介电材料来改变光子带隙,主要介绍了液晶材料、电光材料等几种常用的材料.比较了不同调谐方法的特点.最后分析了光子晶体带隙调谐的进一步研究方向.
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