INFILTRATED SILICA PHOTONIC CRYSTAL WITH LIQUID CRYSTAL AND VARIOUS ORGANIC LIQUIDS

Naresh Dhiman (), Dinesh Pathak, Bhanu Partap Singh and Arvind Kumar Gathania
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Naresh Dhiman: Department of Physics, Sri Sai University, Palampur Himachal Pradesh 176081, India
Dinesh Pathak: Department of Physics, Sri Sai University, Palampur Himachal Pradesh 176081, India
Bhanu Partap Singh: #x2020;Department of Physics, Indian Institute of Technology, Bombay Powai, Mumbai 400076, India
Arvind Kumar Gathania: #x2021;Department of Physics, National Institute of Technology, Hamirpur 177001, India

Surface Review and Letters (SRL), 2017, vol. 24, issue 04, 1-4

Abstract: Tunable photonic crystal has been developed by infiltration of nematic liquid crystal (NLC) and different organic liquids in the void of silica microspheres. Optical properties were investigated by ultraviolet–visible (UV–Vis) spectroscopy. It has been observed that the position of photonic band gap (PBG) shifts from 336nm to 326nm with the increase of applied field from 0V to 9V and 316nm to 324nm after the infiltration of the organic liquids. The refractive index of infiltrated liquid crystal (LC) is calculated at different applied electric field. The present results could be suited for implementation of low cost and compact design tunable devices with low power consumption for high density integrated optics.

Keywords: Tunable photonic crystal; nematic liquid crystal; organic liquids; photonic band gap (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X17500548

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