Characterization of the diffraction efficiency of polymer-liquid-crystal-polymer-slices gratings at all incidence angles

Journal article (2008)

Authors

M. Xu

L. De Sio

R. Caputo

C.P. Umeton

A.J.H. Wachters

D.K.G. De Boer

H.P. Urbach

Department

Imaging Science and Technology () (TU Delft)

DOI: https://doi.org/doi:10.1364/OE.16.014532

Diffraction gratings Liquid crystals Volume gratings Holographic optical elements

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Published Date

02-09-2008

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Source:

Optics Express, 16 (19), 2008

Faculty

Applied Sciences

Department

Imaging Science and Technology

Abstract

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. The diffraction efficiency depends strongly on the angles of incidence. Besides, the characterization of the diffraction efficiency at Bragg angle incidence is studied. A uniform high diffraction efficiency is achieved when the incident wave satisfies the Bragg condition.

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