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Proceedings Paper

Spectral tuning of a microfiber coupler with a liquid crystal overlay
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Paper Abstract

This paper demonstrates temperature-induced tuning of the optical spectrum of a microfiber coupler covered with a low-refractive index liquid crystal (LC) layer. The microfiber coupler with a minimum waist diameter of ~6 μm is fabricated by fusing together and tapering of two standard telecom fibers using a microheater brushing technique and by placing a thin heated LC layer over the uniform taper waist region. Repeatable and reversible tuning of the optical spectrum (~4 nm) of the microfiber coupler is demonstrated for the temperature range of 50-78 °C.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842184 (7 November 2012); doi: 10.1117/12.975208
Show Author Affiliations
Yuliya Semenova, Dublin Institute of Technology (Ireland)
Lin Bo, Dublin Institute of Technology (Ireland)
Sunish Mathews, Dublin Institute of Technology (Ireland)
Pengfei Wang, Dublin Institute of Technology (Ireland)
Univ. of Southampton (United Kingdom)
Qiang Wu, Dublin Institute of Technology (Ireland)
Gerald Farrell, Dublin Institute of Technology (Ireland)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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