Nanoparticle-doped isotropic liquid crystals

Alexander Parfenov; Xiaowei Xia; Alireza Shapoury; Edward A. DeHoog; Fang Zhang; Shilpa Pradhan; Tin M. Aye; Min-Yi Shih; Arlynn Z. Hall; Thomas M. Cooper

doi:10.1117/12.894197

7 September 2011 Nanoparticle-doped isotropic liquid crystals

Alexander Parfenov, Xiaowei Xia, Alireza Shapoury, Edward A. DeHoog, Fang Zhang, Shilpa Pradhan, Tin M. Aye, Min-Yi Shih, Arlynn Z. Hall, Thomas M. Cooper

Author Affiliations +

Proceedings Volume 8114, Liquid Crystals XV; 811404 (2011) https://doi.org/10.1117/12.894197
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

Abstract

We demonstrate a new material composed of isotropic liquid crystal (ILC) blended with semiconductor nanoparticles, which could result in a novel high-speed, multiple-notch broadband passive optical switch to selectively discriminate bands of electromagnetic radiation in intelligence, surveillance, or reconnaissance systems. The new material has been demonstrated high nonlinear 3rd order optical Kerr coefficients (light-induced refractive index change, n₂) exceeding 100 times of classic nonlinear material CS₂ with n₂ = 1.2E-11 esu. Details of fabrication and experimental results are presented.

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Alexander Parfenov, Xiaowei Xia, Alireza Shapoury, Edward A. DeHoog, Fang Zhang, Shilpa Pradhan, Tin M. Aye, Min-Yi Shih, Arlynn Z. Hall, and Thomas M. Cooper "Nanoparticle-doped isotropic liquid crystals", Proc. SPIE 8114, Liquid Crystals XV, 811404 (7 September 2011); https://doi.org/10.1117/12.894197

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