Introduction
Spectral combining
Coherent combining
Fiber laser beam combination
Fabrication and experiment
Results
Tab.1 Efficiency of 5 fiber lasers beam combination |
fiber laser 1 output/W | fiber laser 2 output/W | fiber laser 3 output/W | fiber laser 4 output/W | fiber laser 5 output/W | total output/W | output after beam combination/W | efficiency /% |
---|---|---|---|---|---|---|---|
4.4 | 4.6 | 4.3 | 7.0 | 3.3 | 23.5 | 16.7 | 71.12 |
7.2 | 7.0 | 7.3 | 11.0 | 4.7 | 37.8 | 27.0 | 71.34 |
12.4 | 14.1 | 16.8 | 22.1 | 13.6 | 79.2 | 56.7 | 71.56 |
24.7 | 26.0 | 30.2 | 37.8 | 18.3 | 136.9 | 98.2 | 71.72 |
34.0 | 36.4 | 40.0 | 50.1 | 23.4 | 183.6 | 132.1 | 71.89 |
68.9 | 69.5 | 77.8 | 67.7 | 32.6 | 336.6 | 243.4 | 72.32 |
77.5 | 77.9 | 85.7 | 98.3 | 36.0 | 375.3 | 273.1 | 72.76 |
86.3 | 88.4 | 94.8 | 107.9 | 36.6 | 414.3 | 302.0 | 72.89 |
93.4 | 93.6 | 103.9 | 116.2 | 44.1 | 453.4 | 331.0 | 73.01 |
103.9 | 102.1 | 115.0 | 130.3 | 49.8 | 501.0 | 368.0 | 73.45 |
108.0 | 108.4 | 121.2 | 138.7 | 51.7 | 528.0 | 389.0 | 73.57 |
114.2 | 113.9 | 128.0 | 148.1 | 54.8 | 558.9 | 412.0 | 73.72 |
121.6 | 123.9 | 142.6 | 164.9 | 64.0 | 617.1 | 456.0 | 73.89 |
134.1 | 125.1 | 151.2 | 178.1 | 71.3 | 659.7 | 489.0 | 74.12 |