Product Application
Continuous lasers, pulsed lasers
Defense, medical, scientific research
Material processing
Product Specifications
| Item | Unit | Index |
| Product Model | / | YDF14/250 | YDF20/400 | YDF25/400 |
| Geometric characteristics |
| Core Diameter | μm | 14.0±1.0 | 20.0±2.0 | 25.0±1.5 |
| Inner Cladding Side-to-Side Distance | μm | 250.0±3.0 | 400.0±15.0 | 400.0±10.0 |
| Coating Diameter | μm | 400.0±15.0 | 550.0±20.0 | 550.0±15.0 |
| Inner Cladding Shape | / | Octagon | Octagon | Octagon |
| Optical characteristics |
| Operating Wavelength | nm | 1060~1115 | 1060~1115 | 1060~1115 |
| Core Attenuation @1200nm | dB/km | ≤15 | ≤20 | ≤20 |
| Cladding Attenuation @1095nm | dB/km | ≤15 | ≤15 | ≤20 |
| Cladding Pump Absorption @915nm | dB/m | 0.7±0.10 | 0.4±0.05 | 0.6±0.10 |
| Core Numerical Aperture | / | 0.07±0.01 | 0.06±0.01 | 0.06±0.005 |
| Inner Cladding Numerical Aperture | / | ≥0.46 | ≥0.46 | ≥0.46 |
| Screening Strength | kpsi | 100 | 100 | 100 |
| Coating Material | / | Low refractive index polymers |
| Item | Unit | Index |
| Product Model | / | YTF34/460/530 |
| Core Attenuation @1200nm | dBkm | ≤15 |
| First Cladding Pump Absorption @915nm | dB/m | 1±0.15 |
| First Cladding Pump Absorption @976nm | dB/m | 4.3 |
| Second Cladding Pump Absorption @915nm | dB/m | 0.75 |
| Core Numerical Aperture | / | 0.10±0.01 |
| First Cladding Numerical Aperture | / | 0.22±0.02 |
| Second Cladding Numerical Aperture | / | ≥0.46 |
| Core Diameter | μm | 34±2.5 |
| First Cladding Diameter (F-F) | μm | 460±15 |
| Second Cladding Diameter | μm | 530±10 |
| Core-Cladding Concentricity | μm | ≤3.0 |
| Coating Diameter | μm | 650±15 |
| Screening Strength | kpsi | 110±10 |
| Operating Wavelength | nm | 1065±50 |
Customized Information
The operating wavelength, mode field diameter, beat length, geometric dimensions, coating material,screening intensity and other indicators can be customized according to customer requirements.
