
| Key Features | Applications |
| High Power Handling | High Power Fiber Laser |
| High Coupling Efficiency | |
| Proprietary Fiber Tapering Technique |
| Parameter | Unit | Value |
| Product Type | — | Backward (18+1)×1 |
| Pump Wavelength | nm | 976 |
| Signal Wavelength | nm | 1080 |
| Fiber Type for Input (Pump Channel) | — | 135/155DCF 0.22NA |
| Fiber Type for Input (Signal Channel) | — | 20/400DCF 0.065/0.46NA |
| Fiber Type for Output (Signal Channel) | — | 20/250DCF 0.065/0.46NA |
| Max. Signal Channel Insertion Loss¹ | dB | 0.2 |
| M2 Deterioration¹ | % | < 15 |
| Min. Pump Efficiency² | % | 97 |
| Max. Input Pump Power(Single)³ | W | 300 |
| Max. Input Pump Power(Total)³ | W | 5400 |
| Max.Backward Pump Power Handling⁴ | W | 300 |
| Package Dimensions | mm | 150 (L) × 15 (W) × 11 (H) |
| Operating Temperature | ℃ | 0 to + 65 |
| Storage Temperature | ℃ | - 40 to + 85 |
1Testing by mW class 1064nm light source.M2 Deterioration=(M2 Output/M2 Input -1)x100%
2Testing by 10W 976nm Pump.(95% Power NA ≈0.18)
3Testing by 2700W 976nm Pump.Controlling the combiner temperature rise.(95% Power NA ≈0.18)
4Testing by 300W Cladding Power Pump.