
XYT-PMWDM-780/1550
【NO.】PMWDM-780&1550-FBT55
拉锥型PMWDM保偏光纤波分复用器(780/1550nm)
保偏拉锥型波分复用器,是由两根光纤缠绕在一起。通过高温使光纤逐渐融化同时进行拉伸,进将两根光纤纤芯 逐渐靠近,同时通过仪器测量,一旦达到所需的插入损耗和隔离度规格后,则可停止熔接过程,从而制作而成。在熔接过程中,一端使用宽带光源,另一端使用光谱分析仪(OSA),以监测短波长端的输出。然后根据从OSA获得的光谱,计算插入损耗与波长的函数关系。

1x2 | ||
中心波长(nm) | 780/1550 | |
带宽范围(nm) | ±10 | |
隔离度(dB) | ≥14@780nm | ≥18@1550nm |
插入损耗(dB) | ≤1.0@780nm | ≤0.8@1550nm |
消光比(dB) | ≥18 | |
承受功率(W) | 0.5或 定制 | |
回波损耗(dB) | 50 | |
接头类型 | FC/APC 或 定制 | |
光纤类型 | PM780-HP@780nm | PM1550-XP@COM/1550nm |
光纤长度(m) | 1米 或 定制 | |
封装尺寸(mm) | Ø3.0x60 | Ø3.0x54 |
工作温度(℃) | 0~+70 | |
储存温度(℃) | -40~+85 | |
最大拉力(N) | ≤5 | |
*规格为不带连接器,测试数据指标25℃。
*对于带连接器的设备,插入损耗高0.3dB,回波损耗低5dB,消光比低2dB,慢轴对准Key键。
*对于不同功率参数,产品采用封装尺寸不同。
封装结构图:(mm)

订购信息: | ||||
PMWDM=保偏波分复用器 | XYT-PMWDM-A-B-C-D-E-F-G | |||
A=结构 | 1X2=1X2 | …… | SS=可定制 | |
B=工作波长 | 780/1480=780/1480nm | 780/1550=780/1550nm | 780/1590=780/1590nm | SS=可定制 |
C=光纤类型 | P7P15= PM780-HP/PM1550-XP | SS=可定制 | ||
D=套管类型 | 0.25=250μm | 0.9=900μm | …… | SS=可定制 |
E=光纤长度 | 1M=1米 | 2M=2米 | …… | SS=可定制 |
F=接头类型 | FA=FC/APC | SA=SC/APC | N=不含头 | SS=定制 |
G=承受功率 | 0.3=0.3W | 0.5=0.5W | …… | SS=可定制 |
类型 | PM1550-XP | PM780-HP |
工作波长 | 1440 – 1625 nm | 770 – 1100 nm |
数值孔径 | 0.125 | 0.120 |
模场直径(Gaussian) | 10.1 ± 0.4 µm @ 1550 nm | 5.3 ± 1.0 µm @ 850 nm |
截止波长 | 1380 ± 60 nm | 710 ± 60 nm |
损耗衰减 | ≤ 1.0 dB/km @ 1550 nm | ≤ 4.0 dB/km @ 850 nm |
拍频长度(标称) | ≤ 5.0 mm @ 1550 nm | 2.4 mm @ 850 nm |
归一化交叉串扰 | ≤ - 40.0 dB at 4 m @ 1550 nm | ≤ - 40 dB at 4 m @ 850 nm |
双折射 | N/A | nominal 3.5 × 10⁻⁴ |
包层直径 | 125.0 ± 1.0 µm | 125.0 ± 1.0 µm |
芯径 | 8.5 µm | 4.5 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) | ≥ 200 kpsi (1.4 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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We promise that the product we provide can meet the performance requirements of users , and it is supplied by the user's sample request. |