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Manufacture of double-direction WDM filters for single fiber
Author(s): 
Pages: 520-521
Year: Issue:  6
Journal: OPTICAL TECHNIQUE

Keyword:  光纤通信波分复用滤光片;
Abstract: 随着光纤接入网的发展,对光纤器件的价格、性能等方面提出了更严格的要求.尤其是当光纤线路紧张时,需要进行单纤双向传输.滤光片是关键元件,它分别要求1 310 nm透过时要大于98%、1 550 nm反射时要大于95%以上,或者1 310 nm反射时大于95%、1 550 nm透过时大于98%以上,并且带宽为±40 nm.由于滤光片尺寸较小,必须切割划片,所以对膜层的牢固度有很高的要求.经过膜系优化和大量的工艺实验,提供的样品完全满足用户的要求,现已定型批量生产.
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