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document
Xu, M. (author), De Sio, L. (author), Caputo, R. (author), Umeton, C.P. (author), Wachters, A.J.H. (author), De Boer, D.K.G. (author), Urbach, H.P. (author)
Recently, a novel holographic diffraction grating made of polymer slices alternated to homogeneous films of nematic liquid crystal (POLICRYPS) was realized. We study the optical performance of the POLICRYPS gratings by both numerical simulations and experiments. Characterization of the grating at normal and conical reading mount are performed....
journal article 2008
document
Xu, M. (author), Urbach, H.P. (author), De Boer, D.K.G. (author)
A color and polarization separating backlight can be obtained by using a surface-relief grating made of birefringent material as an outcoupling structure on top of the lightguide. A rigorous finite element diffraction model was applied to study the polarization effect of such a grating. The diffraction of plane waves by the anisotropic grating...
journal article 2007