Lei Huang, Zhengdong Xiong, Tingqing Cheng, Haihe Jang. Experimental investigation of 2.79 μm Cr, Er: YSGG laser fiber coupling[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210236
- Infrared and Laser Engineering
- Vol. 50, Issue S2, 20210236 (2021)
Fig. 1. Diagram of output power of lens with different parameters
Fig. 2. Relationship between waist spot ω 1 of image side and focal length f of lens
像方腰斑
与透镜焦距f 的关系
Fig. 3. Relationship between numerical aperture R NA and spot radius ω 1 of image side laser
像方激光数值孔径
与光斑半径
的关系
Fig. 4. Coupling efficiency of different coupling lenses
Fig. 5. Light path diagram of single lens coupling experiment
Fig. 6. Spot of laser output end
Fig. 7. Spot image of optical fiber end
Fig. 8. Variation of output power and coupling efficiency with input power
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Table 1. Divergence angle of the output mirror with different parameters
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