Therefore, it is possible to fabricate PCs whose band gap range is from the near-infrared to visible wave band.

因此，采用飞秒激光直写技术制作光子带隙位于近红外或可见光波段的光子晶体是可行的。

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Photonic crystals(PCs) has the properties of photonic band-gap(PBG) which is similar with semiconductor, because of this, it is a hotspot in optical communication and optical device.

光子晶体由于能够产生与半导体能带结构类似的光子禁带，成为了国内外光通信和光学器件方面研究的热点。

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Photonic crystals(PCs) has the properties of photonic band-gap(PBG) which is similar with semiconductor, because of this, it is a hotspot in optical communication and optical device.

光子晶体由于能够产生与半导体能带结构类似的光子禁带，成为了国内外光通信和光学器件方面研究的热点。

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