art photonics的铝涂层石英光纤是高温、真空和恶劣环境条件下应用的最佳解决方案之一。铝涂层光纤具有石英光纤的所有优点。与聚合物涂层光纤相比，其显著优点包括优越的机械强度和更好的抗疲劳性能。传输范围从220到2400nm取决于紫外或近红外石英光纤芯的选择。工作温度范围为-270°C至400°C；湿度高达100%。
铝涂层石英光纤
主要特点：
- 工作温度高达400°C
- 优良的机械强度和柔韧性
- 在高真空条件下不放气
- 可焊接到连接器中（无环氧树脂选项）
- 沿金属涂层的有效散热量
- 蒸汽、ETO、蒸汽、电子束或伽玛灭菌
规格：
| Parameters of standard Al-coated Fibers | |||||
| Code | Type | Core,?μm | Cladding,?μm | Coating Cu,?μm | NA |
| 100/110 Al | Step Index Multimode | 100 ± 2% | 110 ± 2% | 145 ± 5% | 0.22 |
| 200/220 Al | Step Index Multimode | 200 ± 2% | 220 ± 2% | 270 ± 5% | 0.22 |
| 400/440 Al | Step Index Multimode | 400 ± 2% | 440 ± 2% | 535 ± 5% | 0.22 |
| 600/660 Al | Step Index Multimode | 600 ± 2% | 660 ± 2% | 745 ± 5% | 0.22 |
| 50/125 Al | Graded Index Multimode | 50 ± 2% | 125 ± 2% | 165 ± 2% | 0.22 |
| 9/125 Al | Step Index Single Mode | 9 ± 5% | 125 ± 5% | 165 ± 2% | 0.13 |
| Specifications | |
| Core/ Cladding material Step Index | Pure Fused Silica Core / Fluorine Doped Silica Cladding |
| Graded Index | Germanium Doped Fused Silica Core / Pure Fused Silica |
| Fiber core diameters, μm | 9; 50; 62.5; 100; 200; 400; 600 |
| Al coating thickness, μm | 15 – 150 (depending on fiber diameter) |
| Standard Numerical Aperture (NA) | 0.22 ± 0.02 |
| Available Numerical Aperture (NA) | 0.12 ± 0.02 0.26 ± 0.02 |
| Min operating temperature, °C | -270 |
| Max operating temperature, °C | 400 |
| Humidity Range | Up to 100% |
| Minimal bending radius (long term) | 200 x fiber outer diameter |
| Minimal bending radius?(short term) | 100 x fiber outer diameter |
| Tensile strength (short gauge), GPa | 3.5 – 6 |
| Two point bending strength, GPa | >10 |
| Static fatigue parameter | >100 |
应用领域：
- 高温环境
- 恶劣的化学环境
- 抗核辐射装置
- 油气工业井下传感技术
- 高功率激光
- 医疗应用
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