| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 11, 2016
|
|
|---|---|---|
| Article Number | 16007 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.2971/jeos.2016.16007 | |
| Published online | 06 February 2016 | |
Regular paper
Liquid crystal cells based on photovoltaic substrates
1
Dipartimento SIMAU, Università Politecnica delle Marche, Ancona, Italy
2
Physics Faculty, Kyiv National Taras Shevchenko University, Prosp. Glushkova 2, Kiev, Ukraine
3
Dipartimento di Fisica e Astronomia G. Galilei, Università di Padova, via Marzolo 8, Padova, Italy
4
Dipartimento SIMAU, Università Politecnica delle Marche, Ancona, Italy
Received:
27
October
2015
Revised:
18
January
2016
Liquid crystal cells with LiNbO3:Fe crystals as substrates, are described. The photovoltaic field generated by the substrates is able to reorient the liquid crystal director thus giving rise to a phase shift on the light propagating through the cell, as in liquid crystal light valves. The process does not require the application of an external electric field, thus being potentially useful for applications requiring a high degree of compactness. An efficient optical switch with a high transmission contrast, based on the described optically-induced electric field, is also proposed.
Key words: Liquid crystals / nonlinear optics / lithium niobate
© The Author(s) 2016. All rights reserved.
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