
【NO.】PMILFR-1315-26Jv16
在线式保偏光纤法拉第旋转器(1950 2000 2050nm)

法拉第旋转器基于磁光法拉第效应:线偏振光在沿传播方向施加磁场的磁光介质中传播时,其偏振平面会发生旋转,旋转角仅由磁场方向和材料参数决定,与光的传播方向无关。通过选择合适的磁光材料(如 TGG)、磁场强度及晶体长度,可以使光在单程通过时精确旋转 45°。由于法拉第旋转器具有非互易性,光在反射后再次通过同一旋转器时,偏振方向不会被抵消,而是继续沿原方向再旋转 45°,从而在双程结构中实现总计 90° 的偏振旋转

中心波长(nm) | 1950 | 2000 | 2050 |
带宽范围(nm) | ±15 | ||
旋转角度,λc,23℃ | 单程45° | ||
旋转角度公差(CW,23°C) | ±2° | ||
23℃时的插入损耗(dB) | ≤0.6 | ||
-5℃~50℃时的插入损耗(dB) | ≤0.8 | ||
消光比(dB) | ≥20 | ||
承受功率(连续光CW)(W) | 0.5或 其它 | ||
接头类型 | FC/APC 或 定制 | ||
光纤类型 | PM1950或 定制 | ||
光纤长度(m) | 1米 或 定制 | ||
封装尺寸(mm) | Φ5.5x35 | ||
工作温度(℃) | -5~70 | ||
储存温度(℃) | -40~85 | ||
最大拉力(N) | ≤5 | ||
*规格为不带连接器,上述规格参数在中心波长、无连接器、室温23℃条件下测试得出。
*规格为不带连接器,对于带连接器的器件,插入损耗(IL)将增加0.3dB,回波损耗(RL)将降低5dB , 消光比(ER)低2dB ,key键对准慢轴。
*对于不同功率参数,产品采用封装尺寸不同。

PMILFR=在线式法拉第旋转器 | XYT-PMILFR-A-B-C-D-E-F | |||||
A=工作波长 | 1950=1950m | 2000=2000nm | 2050=2050nm | 1550=1550nm | S=可选 | |
B=光纤类型 | P19= PM1950 | P15=PM1550-XP | SS=可定制 | |||
C=套管类型 | 0.25=裸纤250μm | 0.9=松套管900μm | …… | SS=可定制 | ||
D=光纤长度 | 1M=1米 | 2M=2米 | …… | SS=可定制 | ||
E=接头类型 | FA=FC/APC | SA=SC/APC | FU=FC/UPC | …… | N=不含头 | S=可选 |
F=承受功率 | 0.5=500mW | …… | SS=可定制 | |||
类型 | PM1550-XP | PM1950 |
工作波长 | 1440 – 1625 nm | 1850 – 2200 nm |
数值孔径 | 0.125 | 0.200 |
模场直径(Gaussian) | 10.1 ± 0.4 µm @ 1550 nm | 8.0 µm @ 1950 nm |
截止波长 | 1380 ± 60 nm | 1720 ± 80 nm |
损耗衰减 | ≤ 1.0 dB/km @ 1550 nm | N/A |
拍频长度(标称) | ≤ 5.0 mm @ 1550 nm | 5.2 mm @ 1950 nm |
归一化交叉串扰 | ≤ - 40.0 dB at 4 m @ 1550 nm | N/A N/A |
双折射 | ≤ - 30.0 dB at 100 m @ 1550 nm | |
包层直径 | 125.0 ± 1.0 µm | 125.0 ± 1.0 µm |
芯径 | 8.5 µm | 7.0 µm |
涂覆层直径 | 245.0 ± 15.0 µm | 245.0 ± 15.0 µm |
包层/涂覆层偏差 | < 5.0 µm | < 5.0 µm |
纤芯/包层同心度偏差 | ≤ 0.50 µm | ≤ 0.50 µm |
涂覆层材料 | Acrylate | Acrylate |
工作温度 | -40 to 85 °C | -40 to 85 °C |
强度测试的等级 | ≥ 200 kpsi (1.4 GN/m² | ≥ 100 kpsi (0.7 GN/m²) |
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Products damaged due to human or non-use of other causes of improper,we promises one year warranty and lifetime maintenance,but the unauthorized disassembly equipment caused damage is not covered under warranty and returned within range. |
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Under normal use,if there are product quality problems,or not work normally,we provide free repair or replacement service within one year;Within three years more than one year,we provide to collect the material cost,maintenance free. Repair warranty period of three years from the freight borne by each of the parties.After three years of warranty,the material cost,maintenance,freight(refers to the product of the two-way shipping to and from)shall be borne by the user. |
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