Sheng Liu, Shuxia Qi, Yi Zhang, Peng Li, Dongjing Wu, Lei Han, Jianlin Zhao, "Highly efficient generation of arbitrary vector beams with tunable polarization, phase, and amplitude," Photonics Res. 6, 228 (2018)
- Photonics Research
- Vol. 6, Issue 4, 228 (2018)
Fig. 1. Experimental setup for generating arbitrary vector beams. λ / 2 λ / 4
Fig. 2. Intensity and polarization distributions of the radially (1) and azimuthally (2) polarized beams. (a) Light intensity distributions captured by CCD, (b)–(d) measurement results of normalized Stokes parameters (S 1 S 2 S 3
Fig. 3. Generated vector beams on a higher order Poincaré sphere. (a) Schematic of polarizations on a higher order Poincaré sphere for l = 1 θ = 0.08 π φ 0 = 0 θ = 0.2 π φ 0 = π / 6 l = 2 θ = 0 φ 0 = 0
Fig. 4. Experimental results of the generated arbitrary vector beams. (a), (b) Vector beams with double singularities, (c) vector beam with radially and azimuthally varied polarization, and (d) vector beam with taiji-shaped polarization distribution. Top: measured polarization distributions. Bottom: corresponding orientation distributions of polarizations.
Fig. 5. Generated vector beams (top) and their phase distributions (bottom). (a) Θ = φ Ψ = − φ Θ = 3 φ Ψ = 2 φ Θ = φ + π / 6 Ψ = − 2 π r / 260 μm
Fig. 6. Amplitude modulation of vector beams. (a), (b) Vector beams of Laguerre–Gaussian modes, (c) radially polarized S-shaped beam, and (d) flower-shaped vector beam with double singularities.
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20