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Tapered fiber optic devices with liquid crystal cladding
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Paper Abstract

The paper presents the results of manufacturing and characterization of a broad band in-line hybrid device using a nematic liquid crystal as an active cladding for biconical tapered optical fiber. Two different liquid crystal mixtures denoted as 1550* and E7 were used for electric and temperature control in a broad wavelength range. An optical fiber tapers with a waist of 10±0.5 μm and losses lower than 0.5 dB in a whole broad band spectrum range were applied. Such taper waist diameter makes the whole waist as core for light propagation, where the surrounding air becomes the cladding. Additionally, such diameter enables an effective control of molecules orientation. Performance of a tuned cladding was studied in an electric field in the range between 0 V and 160 V in the room temperature equal to 20 °C. Influence of induced liquid crystal molecules reorientation was measured at a broad wavelength range (500-1700 nm).

Paper Details

Date Published: 15 March 2019
PDF: 6 pages
Proc. SPIE 11045, Optical Fibers and Their Applications 2018, 110450E (15 March 2019); doi: 10.1117/12.2522018
Show Author Affiliations
Mariusz Florek, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Karol A. Stasiewicz, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Joanna Korec, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Joanna E. Moś, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Olga Strzeżysz, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Katarzyna Garbat, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)
Leszek R. Jaroszewicz, Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego (Poland)


Published in SPIE Proceedings Vol. 11045:
Optical Fibers and Their Applications 2018
Ryszard S. Romaniuk; Waldemar Wójcik; Andrzej Smolarz, Editor(s)

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