Ray-tracing simulations and applications of liquid crystal beam control devices

Maarten Sluijter; Dick K. G. de Boer; H. Paul Urbach; Jan Strömer; Giovanni Cennini

doi:10.1117/12.816508

3 February 2009 Ray-tracing simulations and applications of liquid crystal beam control devices

Maarten Sluijter, Dick K. G. de Boer, H. Paul Urbach, Jan Strömer, Giovanni Cennini

Proceedings Volume 7232, Emerging Liquid Crystal Technologies IV; 72320S (2009) https://doi.org/10.1117/12.816508
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We have developed a general ray-tracing method in the geometrical-optics approach which enables the modeling of in general inhomogeneous liquid crystal configurations. In this manuscript, we discuss two prominent examples in which we calculate the optical properties of two liquid crystal configurations. We first present simulations of a liquid crystal-based electro-optical device that enables a switching effect due to a back reflection phenomenon. In these simulations, we exploit the optical properties of a liquid crystal with a special Freedericksz alignment. Secondly we present preliminary results of the optical properties of a liquid crystal-based optical element that can actively control guiding and extraction of light. A promising application of such a device can be found in for example beam control devices for lighting applications or applications that require local dimming and highlighting.

Citation Download Citation

Maarten Sluijter, Dick K. G. de Boer, H. Paul Urbach, Jan Strömer, and Giovanni Cennini "Ray-tracing simulations and applications of liquid crystal beam control devices", Proc. SPIE 7232, Emerging Liquid Crystal Technologies IV, 72320S (3 February 2009); https://doi.org/10.1117/12.816508

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