Electrically tunable, fully solid, reflective optical elements (Conference Presentation)

Alexis Phillips; Kyle Schlafmann; Hayden Fowler; Timothy White

doi:10.1117/12.2650831

14 March 2023 Electrically tunable, fully solid, reflective optical elements (Conference Presentation)

Alexis Phillips, Kyle Schlafmann, Hayden Fowler, Timothy White

Proceedings Volume PC12442, Emerging Liquid Crystal Technologies XVIII; PC1244207 (2023) https://doi.org/10.1117/12.2650831
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

The Cholesteric Liquid Crystalline (CLC) phase self-organizes into a helicoidal structure that results in periodic, hierarchical organization of the LC director creating a 1-D photonic bandgap exhibiting selective reflection. We explore electrical reconfiguration of fully solid CLC elastomers (CLCEs) as dielectric elastomer actuators (DEAs). Application of an electric field causes a hypsochromic shift in the reflection resulting in a tunable electro-optic device. The electromechanical response (Maxwell stresses) in this system results in fast switching speeds, localized control, and reversible tuning. We further show how manipulation of the elastomer network has a large effect on the tunability of the electro-optic response.

Conference Presentation

Citation Download Citation

Alexis Phillips, Kyle Schlafmann, Hayden Fowler, and Timothy White "Electrically tunable, fully solid, reflective optical elements (Conference Presentation)", Proc. SPIE PC12442, Emerging Liquid Crystal Technologies XVIII, PC1244207 (14 March 2023); https://doi.org/10.1117/12.2650831

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