Alpmann, Christina ; Schlickriede, Christian; Otte, Eileen ; Denz, Cornelia: Dynamic modulation of Poincaré beams
Inhalt
- Figure 1 Polarization structured LG beams.
- Spatial modulation of spin and orbital angular momentum.
- Holographic modulation of polarization singular structures.
- Figure 2 Spatial polarization modulation of a helical LG5,3 beam: (a) Polarization ellipses based on measured Stokes parameters S1,2,3 ∈ [−1, 1] shown in (e–g).
- Methods
- Figure 3 Polarization spiral containing various polarization singularities34: The polarization modulation hologram ΔφSLM in (k) results in a polarization field shown in ((a) simulation) and ((j) measurement).
- Figure 4 Schematic of (a) an experimental setup including (III) the DPMS and (II) a polarization measurement system (b) the orientation angle θ of a wave plate (WP) defined as the inclination of its fast axis to the linear horizontal input polarization, h
- Figure 5 Dynamic polarization modulation: (a) Subspace of a DPMS.
- Table 1 Retardation Γ(n) = λ/n and orientation angle θ1,2 parameters of the two wave plates WP1,2 of simulations and experiments shown in Fig.
- Figure 6 Spatial amplitude retardation of polarization components: Subspace of DPMS with (a) phase retardation only, and (b) phase retardation and additional influence to the amplitude ratio of polarization components (θ1,2 = −45°).
- Conclusion
- Acknowledgements