Zhiqiang Wan, Aibi Yang, Guanghua Yang, Shan Yu, Ziye Hu, Jilong Tang, Zhipeng Wei. Ring Light Spot Adjustable Signal Combiner with High Power and Large Core Diameter[J]. Chinese Journal of Lasers, 2024, 51(8): 0801004
- Chinese Journal of Lasers
- Vol. 51, Issue 8, 0801004 (2024)
Fig. 1. Structure of (6+1)×1 signal combiner and cross sections of TFB and output fiber
Fig. 2. Transmission range of outer ring input beam on TFB cross section
Fig. 3. Input fiber diameter versus taper ratio
Fig. 4. Proportion of three modes when
Fig. 5. Weld images of TFB. (a) Cross section of TFB; (b) installation diagram of welding machine; (c) side view of weld point
Fig. 6. Experimental setup for combiner performance test
Fig. 7. Relationship between input power ratio and temperature
Fig. 8. M2 test data at central port
Fig. 9. M2 test data at outer ring port 2
Fig. 10. Experimental diagrams of environmental resistance test. (a) Experimental sample at low temperature of -30 ℃; (b) experimental sample at high temperature of 70 ℃; (c) efficiencies of each port in three cases
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Table 1. Signal transmission efficiency of combiner at each port
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Table 2. Beam quality of signal combiner at each port
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