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Humidity-enhanced thermally tunable TiO 2/SiO 2 Bragg stacks
(2012)Tunable, stimuli-responsive photonic crystals (PCs) have developed into a fast growing, interdisciplinary research field attracting attention from various scientific communities, such as photonics, sensing, and materials ... -
A step towards the electrophotonic nose: Integrating 1D photonic crystals with organic light-emitting diodes and photodetectors
(Wiley-VCH Verlag, 2014)An innovative integrated sensing platform for the detection of various chemical analytes via translating the photonic stop-band shift of a one-dimensional photonic crystal (PC) into an electrical current change is proposed. ... -
Bringing one-dimensional photonic crystals to a new light: An electrophotonic platform for chemical mass transport visualisation and cell monitoring
(Royal Society of Chemistry, 2015)Photonic sensor technologies represent an important milestone in monitoring complex physical, chemical and biological systems. We present an integrated chemo- and bio-photonic sensing scheme drawing on the integration of ... -
Ultra-thin titanium oxide
(2012)We demonstrate the fabrication of ultra-thin titanium oxide films by plasma-induced surface oxidation. Ellipsometry measurements indicate an oxide thickness of about 2 nm. Electrical characterization was performed on ... -
Low-cost thermo-optic imaging sensors: A detection principle based on tunable one-dimensional photonic crystals
(2013)Infrared (IR) sensors employing optical readout represent a promising class of devices for the development of thermographic imagers. We demonstrate an infrared radiation detection principle based on thermally tunable ... -
Tunable thermoresponsive TiO2/SiO2 Bragg stacks based on sol-gel fabrication methods
(2013)Thermoresponsive TiO2/SiO2 one-dimensional photonic crystals (Bragg stacks) fabricated via sol-gel processing methods represent a promising class of environmentally responsive nanostructures featuring optically encoded ...