Full-field measurement of laser induced non-local birefringence in homeotropically aligned nematic liquid crystals

Authors

Paul Eric B. Parañal ⋅ PH National Institute of Physics, University of the Philippines Diliman
Marlon Rosendo H. Daza ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

Digital Speckle Pattern Interferometry is used to investigate and measure the transient and non-local refractive index change in a 32 μm-thick homeotropic sample of a methyl red-doped nematic liquid crystal E7 illuminated by an Argon-ion laser (λ = 514.5 nm). Changes in the birefringence are readily observed as changes in the transmittance and the interference pattern obtained from the He-Ne (λ = 632.8 nm) laser probe.

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Issue

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

Scaling new heights in physics and physics education
24-26 October 2001, Saint Mary's University, Nueva Vizcaya

Article ID

SPP-2001-W2A-5

Section

Lasers and Applications

Published

2001-10-24

How to Cite

[1]

PEB Parañal and MRH Daza, Full-field measurement of laser induced non-local birefringence in homeotropically aligned nematic liquid crystals, Proceedings of the Samahang Pisika ng Pilipinas 19, SPP-2001-W2A-5 (2001). URL: https://proceedings.spp-online.org/article/view/SPP-2001-W2A-5.