Min Fu, Zhixian Li, Zefeng Wang, Zilun Chen. Research on high beam quality 3×1 fiber signal combiner[J]. Infrared and Laser Engineering, 2022, 51(5): 20210354
- Infrared and Laser Engineering
- Vol. 51, Issue 5, 20210354 (2022)
Fig. 1. Propagation process of laser in the fiber signal combiner
Fig. 2. Beam quality and transmission efficiency of combiner with different cladding diameters of input fiber
Fig. 3. Cross section of TFB at splicing point
Fig. 4. Stripped fiber
Fig. 5. Splicing point between TFB and output fiber
Fig. 6. Beam quality of lasers fused with the 25/400 μm end cap is (a) M 2=1.27; (b) M 2=1.30; (c) M 2=1.36
Fig. 6. [in Chinese]
Fig. 7. Device for testing output power of combiner
Fig. 8. Measured result of beam quality at 8 620 W output power
Fig. 9. Beam quality of the combiner with the increase of output power
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