Xiaoyan Pang, Chen Feng, Xinying Zhao. Evolution of spin density vectors in a strongly focused composite field[J]. Chinese Optics Letters, 2021, 19(2): 022601
- Chinese Optics Letters
- Vol. 19, Issue 2, 022601 (2021)
Fig. 1. Intensity and phase distribution of the incident field at the waist plane. (a) Intensity, (b) phase. Here, A
Fig. 2. Schematic illustration of a strongly focusing system. The origin O of the coordinate system is taken at the geometrical focus.
Fig. 3. Gouy phase difference
Fig. 4. SDVs on the propagation axis with different semi-aperture angles. (a)
Fig. 5. Gouy phase differences
Fig. 6. SDVs on the ys axis. (a) and (b) are the same figure from different views:
Fig. 7. (a) tSDVs and (b) transverse SDs on the focal plane.
Fig. 8. tSDVs on selected transverse planes.
Fig. 9. Rotation angles of two maxima points of the transverse SD on the transverse planes from zs
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