Wei SONG, Youjin XIE, Zhiguo LI, Wei HAO, Peipei YAN, Xin LI, Chuandong SUN. Research on Coupling Efficiency Based on Fiber Optic Rotary Joints[J]. Acta Photonica Sinica, 2022, 51(11): 1106005
- Acta Photonica Sinica
- Vol. 51, Issue 11, 1106005 (2022)
Fig. 1. Coupling model of two G-lenses with Gaussian beam
Fig. 2. Transmission with errors in fiber optic rotary joints
Fig. 3. Transmission path of Gaussian beam between G-Lenses
Fig. 4. Separation misalignment，lateral offsets，angular tilt misalignment between two GRIN lenses
Fig. 5. Ray tracing in two G-Lens collimators
Fig. 6. Insertion loss curves at different
Fig. 7. Insertion loss curves under different errors
Fig. 8. Schematic of the principle of beam steering technology
Fig. 9. Insertion loss change diagram after optimization
Fig. 10. Experiment scheme
Fig. 11. Insertion loss of measurement and simulation with changing
Fig. 12. Insertion loss of G-Lens1 and G-Lens2 at different positions
Fig. 13. Insertion loss influenced by lateral offsets and separation misalignment
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Table 1. Parameters of GRIN lens-1 and GRIN lens-2
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Table 2. Main optical components in beam steering technology
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