The Polarization maintaining double clad thulium doped optical fiber is designed for high-power 2 um narrow linewidth fiber amplifiers that are eye-safe. By optimizing Tm ion doping, it has the characteristics of high slope efficiency, high absorption coefficient, and high polarization extinction ratio when pumped at a wavelength of 793nm.
BoxOptronics Polarization maintaining double clad thulium doped optical fiber is designed for high-power 2 um narrow linewidth fiber amplifiers that are eye-safe. By optimizing Tm ion doping, it has the characteristics of high slope efficiency, high absorption coefficient, and high polarization extinction ratio when pumped at a wavelength of 793nm.
High conversion efficiency;
High absorption coefficient;
High polarization extinction ratio.
2μm narrow linewidth fiber amplifier;
Radar, plastic processing, medical cosmetology, surgery.
| Part No: | BTDF-15/250-PM | BTDF-25/400-PM | BGDF-15/250-PM | BGDF-25/400-PM |
| Operating wavelength | 1900-2100nm | 1600-2100nm | 1900-2100nm | 1600-2100nm |
| Fiber Core Numerical Aperture | 0.11±0.02 | 0.10±0.02 | 0.11±0.02 | 0.10±0.02 |
| Cladding numerical aperture | ≥0.46 | ≥0.46 | ≥0.46 | ≥0.46 |
| Cladding attenuation@860nm | ≤15.0dB/km | ≤15.0dB/km | - | - |
| Cladding absorption @793nm | ≤1.0±0.2dB/m | ≤2.2±0.2dB/m | - | - |
| Birefringence(10⁴) | Customizable | 3.0±0.5 | 2.5±0.5 | 4.0±0.5 |
| Core diameter | 15.0±1.0 um | 25.0±2.0 um | 15.0±1.0 um | 26.0±1.5 um |
| Cladding diameter | 250.0±5.0um | 400.0±5.0um | 250.0±5.0um | 400.0±5.0um |
| Cladding shape | Round, panda | Round, panda | Round, panda | Round, panda |
| Coating diameter | 395.0±10.0 um | 550.0±15.0 um | 395.0±10.0 um | 550.0±15.0 um |
| Mechanical strength | ≥100kpsi | ≥100kpsi | ≥100kpsi | ≥100kpsi |
| Outer cladding material | Low Refractive Index Resin | Low Refractive Index Resin | Low Refractive Index Resin | Low Refractive Index Resin |
| Matrix material | quartz | quartz | quartz | quartz |
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
A: C-band, L band, and C+L band wavelengths.
Q: What is the requirement for the output power?A: Box optronics can customize according to your requirements.
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