Bragg Polarization Grating
Nanoscale liquid crystal polymer Bragg polarization gratings
Report on a diffraction grating with wider angular bandwidth and significantly higher average first-order efficiency than the nearest prior art of metasurfaces, volume holographic gratings, and surface-relief gratings configured to achieve a steep deflection angle.
Bragg polarization gratings for wide angular bandwidth and high efficiency at steep deflection angles
Experimentally demonstrate nearly ideal liquid crystal (LC) polymer Bragg polarization gratings (PGs) operating at a visible wavelength of 450 nm and with a sub-wavelength period of 335nm.