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隨著光纖光柵的問世,光纖通信日益發(fā)達,光纖光柵出現(xiàn)了許多的種類,例如啁啾、相移、切趾、取樣光柵(SFBG)等等,取樣光柵由于其傳輸通道間隔穩(wěn)定,通帶窄,具的極好的波長選擇性,因而在光波分復用器、光纖激光器、光分插復用器、光解復用器等光器件,以及光纖傳感,光信息交換等技術領域發(fā)揮重要作用
取樣光纖光柵其實與相稱光纖光柵基本上一致,不同的地方在于,相移光柵是在均勻布拉格光柵的某一點處引入相移,導致在反射譜中新開出了一個或者多個窗口,窗口的多少與光柵的相移點的多少有關,取樣光柵在結構上與此相似,一段均勻布拉格光柵后接一段正常光纖,正常光纖的作用引起一定的相移,因而其反射譜呈現(xiàn)出梳狀結構,在反射窗口中打開一個個通道。通道的個數(shù)以及通道間隔,反射率的大小與取樣的周期、光柵長度、折射率調(diào)制深度等相關。
特征:
波長:1510nm-1590nm之間均可刻寫
柵區(qū)長度 15mm
反射峰>5個
反射率>50%
尾纖長度:1m/1m
光纖類型:smf-28
涂覆:Acrylate
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.