In this paper, we present our studies on electrical and thermal tuning of light propagation in waveguide channels, made for the scope from a polydimethylsiloxane (PDMS) substrate infiltrated with nematic liquid crystal (LC). We demonstrated, via numerical simulations, the changes of the waveguide optical parameters when solicited by temperature changes or electric fields. Moreover, the paper goes through the fabrication process of a waveguide channel sample and its characterization, as well as some preliminary experimental trials of sputtering indium tin oxide (ITO) and chromium layers on PDMS substrate to obtain flat electrodes.
Voltage- and temperature- controlled LC:PDMS waveguide channels / Rutkowska, Katarzyna A.; Asquini, Rita; D'Alessandro, Antonio. - STAMPA. - 10455:(2017), pp. 104550X-1-104550X-9. (Intervento presentato al convegno 12th Conference on Integrated Optics: Sensors, Sensing Structures, and Methods, IOS 2017 tenutosi a META Poland nel 27 February - 3 March 2017) [10.1117/12.2283028].
Voltage- and temperature- controlled LC:PDMS waveguide channels
Asquini, Rita;D'Alessandro, Antonio
2017
Abstract
In this paper, we present our studies on electrical and thermal tuning of light propagation in waveguide channels, made for the scope from a polydimethylsiloxane (PDMS) substrate infiltrated with nematic liquid crystal (LC). We demonstrated, via numerical simulations, the changes of the waveguide optical parameters when solicited by temperature changes or electric fields. Moreover, the paper goes through the fabrication process of a waveguide channel sample and its characterization, as well as some preliminary experimental trials of sputtering indium tin oxide (ITO) and chromium layers on PDMS substrate to obtain flat electrodes.File | Dimensione | Formato | |
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