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