Chinese Physics B, Volume. 29, Issue 9, (2020)
Hybrid vector beams with non-uniform orbital angular momentum density induced by designed azimuthal polarization gradient
Fig. 1. Illustration of the proposed scheme under circularly polarized basis vector. The cases (0, –1,
Fig. 2. Modulation effect of
Fig. 3. Hybrid vector beams under various base states. The red and blue ellipses represent right- and left-handed polarization states, respectively.
Fig. 4. Polarization structures (upper) and transverse Poynting vector patterns (lower) of hybrid vector beams with (a)–(d): (0, –1, 0), (0, –1,
Fig. 5. Experimental setup. BE: beam expansion module; HWP: half-wave plate; PBS: polarizing beam splitter; M1–M4: mirrors; RAPM: right-angle prism mirror; SLM: spatial light modulator; QWP: quarter-wave plate; L: lens; F: spatial filter; PMS: polarization measuring system; CCD: charge coupled device. Insets: (a) the computer-generated holograms and (b) the measured intensity patterns of
Fig. 6. Experimental and theoretical results for (a) (1, –2,
Get Citation
Copy Citation Text
Lei Han, Shuxia Qi, Sheng Liu, Peng Li, Huachao Cheng, Jianlin Zhao. Hybrid vector beams with non-uniform orbital angular momentum density induced by designed azimuthal polarization gradient[J]. Chinese Physics B, 2020, 29(9):
Category: Optical field manipulation
Received: May. 17, 2020
Accepted: --
Published Online: Apr. 29, 2021
The Author Email: Liu Sheng (jlzhao@nwpu.edu.cn)