Figure 2
From: Polarization-tuned Dynamic Color Filters Incorporating a Dielectric-loaded Aluminum Nanowire Array
Polarization-tuned transmission spectra and corresponding color responses.
(a) Measured transmission spectra of the filters with NW array periods of (i) 300, (ii) 380 and (iii) 460 nm, respectively, from left to right respectively, for different polarization directions from ϕ = 0° to 90° in the steps of 15°. Transmission spectra were highly affected by incident polarization, indicating the polarization-tunability. (b) Chromaticity coordinates corresponding to the measured spectra for filters with periods of (i) 300, (ii) 380 and (iii) 460 nm in the CIE 1931 chromaticity diagram as polarization angles ϕ varied from 0° to 90° in steps of 15°.
