Weichao Li, Yanfang Yang, Ying He, Hongyan Li, Huihui Duan. Triple Optical Chain Generated by Tight Focusing of Azimuthally Polarized Higher-Order Laguerre-Gauss Vortex Beams[J]. Acta Optica Sinica, 2019, 39(8): 0826002
- Acta Optica Sinica
- Vol. 39, Issue 8, 0826002 (2019)
Fig. 1. Focusing optical system. (a) Schematic of tight focusing optical system; (b) structure of DOE
Fig. 2. Intensity distribution. (a) Intensity distribution on ρ-z plane; (b) line diagram distribution of main optical chain at ρ=0λ and secondary optical chain at ρ=-1.8λ along z direction
Fig. 3. Total intensity distribution in z=0 plane along ρ direction for different NA values
Fig. 4. Line diagram of main optical chain total intensity along z direction with different β
Fig. 5. Total intensity distribution in z=0 plane along ρ direction with different θ2 values
Fig. 6. Ratio of the horizontal direction two peak values of the secondary optical chain varies with θ2
Fig. 7. Total intensity distribution in z=0 plane along ρ direction with different θ5 values
Fig. 8. Total intensity distribution in z=0 plane along ρ direction
Fig. 9. Total Intensity distribution on ρ-z plane when p=1. (a) Other parameters unchanged; (b) β=1.4, θ5=0.95
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