Ye Zheng, Miao He, Xiaoxi Liu, Ziyang Ma, Jianhua Chen, Miao Yu, Siyuan Li, Yi Cao, Junlong Wang, Xuefeng Wang. Experimental Study on High-Power Laser Beam Combining Using Dichroic Mirrors[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1514002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 15, 1514002 (2023)
Fig. 1. Coating test curves of dichroic mirrors
Fig. 2. Diagram of optical setup of incident fiber laser
Fig. 3. Output spectra of 1059 nm fiber laser
Fig. 4. Beam quality of 1059 nm fiber laser at 4 kW output power
Fig. 5. Diagram of optical setup of three-channel laser beam combining using dichroic mirrors
Fig. 6. Variation trend of combined power and efficiency versus incident power
Fig. 7. Beam quality of 1059 nm laser after beam combining system at different input powers
Fig. 8. Beam quality of combined laser at full power
Fig. 9. Influence of different substrate thicknesses on far field beam pattern of transmitted laser. (a) 3 mm; (b) 10 mm
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Table 1. Comparison of beam quality of sub-beams before and after beam combining system
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