应用环境
双包层掺铥光纤主要用于2μm波长光纤激光器的增益介质,2μm波段是人眼安全波长波段,这种光纤激光器在激光测距、激光雷达以及激光微创医疗等领域获得重大应用,还可以作为参量振荡器(OPO)等3~5μm长波长激光器件的泵浦光源。1900~2100nm波长可调谐,高功率光纤放大器和激光器,S波段光纤放大器
产品特点
● 杰出的几何尺寸,稳定的环境特性
● 精心设计的模场直径,较小的熔接损耗
产品技术参数
双包层掺铥光纤 特性 |
|||
|
FT-LMA-DTDF10/125 |
FT-LMA-DTDF22/250 |
FT-LMA-DTDF25/400 |
纤芯直径,μm |
10±0.2 |
22.0±0.5 |
25.0±0.5 |
Tm掺杂比重,Wt% |
3.5±0.5 |
2.2±0.2 |
3.5±0.5 |
芯数值孔径(NA) |
0.15±0.02 |
0.15±0.02 |
0.08±0.02 |
内包层几何形状 |
六边形 |
六边形 |
六边形 |
内包层直径,μm |
125 |
250 |
400 |
外包层厚度,μm |
40±5 |
50±5 |
50±5 |
内包层数值孔径(NA) |
0.46±0.02 |
0.46±0.02 |
0.46±0.02 |
光学性能指标
光学性能指标 |
||
型号 |
SM-DTDF-9/125 |
LMA-DTDF-25/400 |
工作波长 |
1950 - 2100 nm |
1950 - 2100 nm |
纤芯数值孔径 NA |
≤ 0.12 |
0.08 ± 0.02 |
内包层数值孔径 NA |
≥ 0.46 |
≥ 0.46 |
内包层形状 |
八边形 |
八边形 |
包层峰值吸收 |
3.5 ± 1.0 dB/m at 793 nm |
1.60 ± 0.70 dB/m at 793 nm |
几何尺寸与材料指标
几何尺寸与材料指标 |
||
石英包层直径 (角对角) |
125.0 ± 3.0 µm |
400.0 ± 15.0 µm |
纤芯直径 |
9.0 ± 1.0 µm |
25.0 ± 2.0 µm |
涂层直径 |
245.0 ± 15.0 µm |
550.0 ± 20.0 µm |
芯包同心度 |
≤ 3.00 µm |
≤ 3.00 µm |
外包层材料 |
低折射率涂料 |
低折射率涂料 |
石英包层直径 (角对角) |
125.0 ± 3.0 µm |
400.0 ± 15.0 µm |
本产品为FT-XP系列,如有需要,请联系我们。
注:本产品有全国产化型号可选
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.