Nodule defects on dielectric multi-layer optical thin film are key factors resulting in laser-induced damage.

在多层介质薄膜中，节瘤缺陷是影响薄膜激光损伤的关键因素。

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At the present time, the mainstream optical filter techniques including dielectric thin-film filter, array waveguide (AWG), Fabry-Perot (F-P) filter, fiber Bragg grating (FBG).

目前主要滤波技术有薄膜干涉滤波器、阵列波导光栅(awg)和光纤布拉格光栅(FBG)。

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With the rapid increase in DWDM (Dense Wavelength Division Multiplexing) demand, dielectric thin film filters have increasingly become a key component for optical telecommunications.

随着高密集型分波复合器需要的不断增加，在光纤通讯领域中，光学薄膜滤光片已经成为了一个很关键的光学元件。

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