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Proceedings Paper

Numerical analysis of birefringence tuning in high index microstructured fiber selectively filled with liquid crystal
Author(s): Karolina Milenko; Slawomir Ertman; Tomasz R. Woliński
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Paper Abstract

In this paper we present the theoretical investigation of the phase birefringence in multi-component glasses photonic crystal fiber PCF14(6), selectively infiltrated with 5CB nematic liquid crystal (LC). The PCF14(6) used as a host in our numerical model is made of the PBG08 high-refractive index glass (~1.95). Refractive index of the fiber is much higher than then both ordinary and extraordinary refractive indices of the LC and as a result low-loss and index-guiding propagation is possible. In our calculations we assume that the host PCF is infiltrated with LC only in the center row of the air channels. Such selective infiltration induces initial phase birefringence in the fiber equal to 1.8 .10-5 when molecules are parallel to the fiber axis. The influence of the tilt angle of the liquid crystal molecules alignment on the PLCF birefringence is presented. We show possibility to tune the phase birefringence up to 6.2 .10-5 or down to −2.4 .10-5 depending on the direction of electric field.

Paper Details

Date Published: 20 May 2013
PDF: 5 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87942C (20 May 2013); doi: 10.1117/12.2026057
Show Author Affiliations
Karolina Milenko, Warsaw Univ. of Technology (Poland)
Slawomir Ertman, Warsaw Univ. of Technology (Poland)
Tomasz R. Woliński, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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