She Riyin, Li Dehong, Chen Dongwen, Li Yong. Fiber Array Energy Transmission System Based on Dammann Grating Coupling[J]. Laser & Optoelectronics Progress, 2021, 58(1): 105001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 1, 105001 (2021)
Fig. 1. Fiber array energy transmission system based on Dammann grating coupling
Fig. 2. Collimating lens system
Fig. 3. Complex amplitude transmittance distribution over unit period of Dammann grating
Fig. 4. Distribution of sub-spot
Fig. 5. Optical power density distribution of different period numbers Dammann grating with fundamental mode Gaussian beam. (a) 8 periods; (b) 14 periods
Fig. 6. Optical power density distribution of 14 periods Dammann grating when incident beam waist radius is 0.5 mm
Fig. 7. Experiment system
Fig. 8. Light spot radius measurement
Fig. 9. Spot size before and after beam splitting
Fig. 10. Diagram of system parameters design
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Table 1. Phase jump points coordinate in unit period of Dammann grating
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Table 2. Diffraction efficiency of Dammann grating
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Table 3. Simulation parameters
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Table 4. Spot size before and after beam splitting
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Table 5. Sub-spots spacing
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