Polarized light propagation in polymer dispersed liquid crystal

Authors

Serafin Delica ⋅ PH National Institute of Physics, University of the Philippines Diliman
Carlo Mar Blanca ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

A numerical model founded on a Monte Carlo protocol is developed to describe the propagation of polarized light a polymer dispersed liquid crystal (PDLC) layer, including the effects of droplet size, shape and LC-polymer ratio. A decrease in droplet size (g) leads to more depolarization of transmitted light. That is, a degree of polarization (DOP) of 10% is seen for isotropic droplets at an LC concentration h/ds = 4, where h is the sample thickness and ds is the mean-free-path. Moreover, smaller droplets endow the light a preference to shift from a horizontal to vertical polarization states. The LC concentration decreases the DOP to as low as 75% at h/ds = 8. Spherical droplets depolarize light more compared to both oblate and prolate spheroids. Despite same equatorial to polar axis ratios, the former exhibits higher transmitted intensity than the latter.

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Issue

2001: Proceedings of the 19th Samahang Pisika ng Pilipinas Philippine Physics Congress

Article ID

SPP-2001-W1B-3

Section

Optics and Microscopy

Published

2001-10-24

How to Cite

[1]

S Delica and CM Blanca, Polarized light propagation in polymer dispersed liquid crystal, Proceedings of the Samahang Pisika ng Pilipinas 19, SPP-2001-W1B-3 (2001). URL: https://proceedings.spp-online.org/article/view/SPP-2001-W1B-3.