Novel polymer-dispersed liquid-crystal-based optical switch utilizing diffraction

Jihong Zheng; Lingjuan Gu; Songlin Zhuang

doi:10.1117/12.452490

12 December 2002 Novel polymer-dispersed liquid crystal based optical switch utilizing diffraction

Jihong Zheng, Lingjuan Gu, Songlin Zhuang

Proceedings Volume 4799, Liquid Crystals VI; (2002) https://doi.org/10.1117/12.452490
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

In this paper, we have developed a novel optical switch based on the electronically switchable Bragg gratings (ESGB) in holographical polymer dispersed liquid crystals (H-PDLC), which is adopted in the U.S. Patent (NO.09/963, 939). This optical switching can be produced by the superposition of H-PDLC Bragg gratings with different spatial frequencies and very high diffraction efficiency. It can provide switching speeds faster than 5ms, so that the technique can be widely applied in telecommunication to improve the transmission speed effectively.

Citation Download Citation

Jihong Zheng, Lingjuan Gu, and Songlin Zhuang "Novel polymer-dispersed liquid crystal based optical switch utilizing diffraction", Proc. SPIE 4799, Liquid Crystals VI, (12 December 2002); https://doi.org/10.1117/12.452490

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