光子晶体是周期性介电结构，它能象周期性原子结构中的电子禁带一样，产生光子禁带。

Photonic crystals were periodic optical structures that were capable of generating photonic band gaps, analogous to the way of electronic band gaps generated by periodic atomic structure.

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光子晶体是周期性介电结构，它能象周期性原子结构中的电子禁带一样，产生光子禁带。

Photonic crystals were periodic optical structures that were capable of generating photonic band gaps, analogous to the way of electronic band gaps generated by periodic atomic structure.

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