Enhanced efficiency of electric field tunability in photonic liquid crystal fibers doped with gold nanoparticles | Zendy

Daniel Budaszewski | Zendy; Miłosz Chychłowski | Zendy; Agata Budaszewska | Zendy; Bartosz Bartosewicz | Zendy; Bartłomiej Jankiewicz | Zendy; Tomasz R. Woliński | Zendy

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Enhanced efficiency of electric field tunability in photonic liquid crystal fibers doped with gold nanoparticles

Author(s) -

Daniel Budaszewski,

Miłosz Chychłowski,

Agata Budaszewska,

Bartosz Bartosewicz,

Bartłomiej Jankiewicz,

Tomasz R. Woliński

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.014260

Subject(s) - liquid crystal , materials science , colloidal gold , doping , electric field , photonic crystal fiber , optics , nanoparticle , photonic crystal , optoelectronics , photonics , nanotechnology , wavelength , physics , quantum mechanics

In this paper, we present our recent research results on light propagation in photonic crystal fibers (PCFs) infiltrated with a 6CHBT nematic liquid crystal (LC) doped with 2-nm gold nanoparticles (NPs) with a concentration in the range of 0.01 - 0.5% wt. Electro-optical response times and thermal tuning of the investigated samples have been studied in detail. We have observed up to ~80% decrease of rise times for different concentrations of gold NPs in the LC. Moreover, a significant reduction of the Fréedericksz threshold voltage (up to 60%) has been observed for samples with higher concentrations of 2-nm gold NPs in 6CHBT.

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