The invention discloses an antireflection film used in the all-angle and wide wavelength range and a preparation method thereof.
本发明公开了一种全角度宽波长范围使用的减反射薄膜及其制备方法。
The measurements of the cut-off wavelength and the near field intensity distribution show that the PCF does have comparatively wide single-mode operating range.
截止波长测试和近场光强分布检验表明，该光子晶体光纤确实具备较宽的单模工作范围。
This invention provides an infrared diffractive lens capable of focusing infrared rays within a wide range of wavelength band effectively.
本发明提供一种可高效地对宽波长范围的红外线进行聚光的红外线衍射透镜。
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