Liquid crystal cell with a tapered optical fiber as an active element to optical applications

Joanna Ewa Moś, Karol Antoni Stasiewicz, Leszek Roman Jaroszewicz

Abstract


The work describes the technology of a liquid crystal cell with a tapered optical fiber as an element providing light. The tapered optical fiber with the total optical loss of 0.22 ± 0.07 dB, the taper waist diameter of 15.5 ± 0.5 μm, and the elongation of 20.4 ± 0.3 mm has been used. The experimental results are presented for a liquid crystal cell filled with a mixture 1550* for parallel orientation of LC molecules to the cross section of the taper waist. Measurement results show the influence of the electrical field with voltage in the range of 0-200 V, without, as well as with different modulation for spectral characteristics. The sinusoidal and square signal shapes are used with a 1-10 Hz frequency range.

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Photonics Letters of Poland - A Publication of the Photonics Society of Poland
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ISSN: 2080-2242