Table 1 Main parameters and values in theoretical simulation.
From: 2 × 4.5 kW bidirectional output near-single-mode quasi-continuous wave monolithic fiber laser
Parameter | Value | Parameter | Value |
|---|---|---|---|
Core/Cladding diameter | 25/400 μm | Core numerical aperture (NA) | 0.06 |
Cladding absorption coefficient | 1.74 dB/m @976 nm | Core/Cladding attenuation | 5.6/1.7 dB/km |
Pump wavelength | 976 nm | Signal wavelength | 1080 nm |
Pump power overlap factor | 0.0025 | Signal power overlap factor | 1 |
Average pump power at both ends | 500 W | Repetition frequency | 1 kHz |
Duty cycle | 10% | Center wavelength of OC-FBG | 1080 nm |
Reflectivity of OC-FBG | 5% | 3-dB bandwidth of OC-FBG | 1 nm |
