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保偏環(huán)形器(PMC)
產品介紹
保偏環(huán)形器是采用保偏光纖制作的光纖環(huán)形器。光環(huán)形器是一種多端口非互易光學器件,它的作用是使光信號只能沿著規(guī)定的端口順序傳輸。典型的光環(huán)形器結構有三端口、四端口環(huán)形器。保偏環(huán)形器中包含偏振分束器、法拉第旋轉鏡、偏振器等可以保證光的偏振態(tài)沿著保偏光纖的慢軸傳輸。保偏環(huán)形器是保偏光路系統(tǒng)中的重要器件,可以用在高精度光纖傳感、高速通信系統(tǒng)等眾多領域中。
產品特點
● 高隔離度
● 低插入損耗
● 高穩(wěn)定性
● 高可靠性
應用范圍
● 偏振模色散補償
● 摻鉺光纖放大器和拉曼放大器
● 相干通信領域
● 干涉型傳感領域
● 光纖激光器
產品參數(shù)
參數(shù) |
單位 |
指標 |
||
級數(shù) |
- |
單極 |
雙極 |
|
工作波長 |
nm |
1310、1550 |
||
工作帶寬 |
nm |
±20nm |
±30nm |
|
室溫隔離度 |
dB |
≥20 |
≥40 |
|
室溫插入損耗 |
dB |
≤0.8 |
≤1.0 |
|
全溫出入損耗 |
dB |
≤1.2 |
≤1.5 |
|
插入損耗 |
dB,P級 |
|
|
|
插入損耗 |
dB,A級 |
≤1.0 |
≤1.2 |
|
回波損耗 |
dB |
≥50 |
||
方向性 |
dB |
≥50 |
||
消光比 |
dB |
≥20 |
≥22 |
|
承受功率 |
mW |
≤500 |
||
承受拉力 |
N |
≤5 |
||
光纖類型 |
- |
PM1310,PM1550小模場熊貓光纖 |
||
工作溫度 |
℃ |
-5~+70 |
||
存儲溫度 |
℃ |
-40~+85 |
||
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 before they become applicable to any particular order or contract. In accordance with the F-tone 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 or others. Further details are available from any F-tone sales representative.