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结构类型 | 1x2或2x2 | ||
中心波长（nm） | 1950/2000/2050 | ||
带宽范围（nm） | ±20 | ||
插入损耗(dB) | 定制（1:99~50:50） | 端口1插损 | 端口2插损 |
50:50 | 3.6 | 3.6 | |
均匀性(dB) | ≤0.5 | ||
附加损耗 (dB) | ≤0.2 | ||
消光比(dB) | 20 | ||
承受功率（CW）(W） | 0.5/1/3/5/10/20 | ||
回波损耗（dB） | 50 | ||
接头类型 | 默认FC/APC 或 定制 | ||
光纤类型 | PM1950 | ||
光纤长度（m） | 默认1米 或 定制 | ||
封装尺寸（mm） | 60 x Ø3.0 | ||
工作温度（℃） | -10~+70 | ||
储存温度（℃） | -40~+85 | ||
最大拉力（N） | ≤5 | ||
分光比（%） | 参数误差（%） | 端口1插损 | 端口2插损 |
0.5/99.5 | ±0.2 | 23 | 0.2 |
1/99 | ±0.4 | 22 | 0.35 |
3/97 | ±0.7 | 17 | 0.5 |
5/95 | ±0.8 | 14.8 | 0.8 |
10/90 | ±1.2 | 11.6 | 1.2 |
20/80 | ±2 | 8.0 | 1.5 |
30/70 | ±2.2 | 5.8 | 2.0 |
40/60 | ±2.2 | 5.2 | 3.1 |
50/50 | ±3.5 | 3.8 | 3.8 |
*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： | ||||||
PMFBT=保偏拉锥型耦合器 | XYT-PMFBT-A-B-C-D-E-F-G-H | |||||
A=结构 | 1X2=1X2 | 2X2=2X2 | …… | SS=可定制 | ||
B=工作波长 | 1950=1950nm | 2000=2000nm | 2050=2050nm | SS=可定制 | ||
C=分光比 | 1/99=1:99 | 10/90=10:90 | 50/50=50:50 | SS=可定制 | ||
D=光纤类型 | P19=PM1950 | SS=可定制 | ||||
E=套管类型 | 0.25=250μm | 0.9=900μm | …… | SS=可定制 | ||
F=光纤长度 | 1M=1米 | 2M=2米 | …… | SS=可定制 | ||
G=接头类型 | FA=FC/APC | SA=SC/APC | N=不含头 | SS=定制 | ||
H=承受功率 | 05=0.5W | 1=1W | …… | SS=可定制 | ||
光纤特性：
类型 | PM1550-XP | PM1950 |
工作波长 | 1440 – 1625 nm | 1850 – 2200 nm |
数值孔径NA | 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 |
双折射 | ≤ - 30.0 dB at 100 m @ 1550 nm | N/A |
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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We promise that the product we provide can meet the performance requirements of users , and it is supplied by the user's sample request. |
