Fabrication And Characterization Of Mach-Zehnder Interferometer Based On A Hollow Optical Fiber Filled With Radial-Aligned Liquid Crystal

Keywords

hollow optical fiber; liquid crystal; liquid crystal device; Mach-Zehnder interferometer

Abstract

We demonstrate a high sensitivity all-fiber Mach-Zehnder interferometer (MZI) based on radial-aligned liquid crystal (LC) in a hollow optical fiber (HOF). The transmission spectrum of the liquid crystal-filled fiber MZI (LCF-MZI) was measured at different temperatures, and the thermal-induced wavelength shift of the interference spectrum probed. The experimental results indicate that the LC alignment and refractive indices inside the hollow capillary are significantly influenced by the temperature, which in turn changes the optical properties of LCF-MZI. Our experimental data on notch wavelength shift agree well with the measured refractive index temperature gradient.

Publication Date

6-15-2016

Publication Title

Journal of Physics D: Applied Physics

Volume

49

Issue

28

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1088/0022-3727/49/28/285102

Socpus ID

84978300205 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84978300205

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