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Rafał Kowerdziej
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Year
Terahertz characterization of tunable metamaterial based on electrically controlled nematic liquid crystal
R Kowerdziej, M Olifierczuk, J Parka, J Wróbel
Applied Physics Letters 105 (2), 2014
702014
Ultrafast electrical switching of nanostructured metadevice with dual-frequency liquid crystal
R Kowerdziej, J Wróbel, P Kula
Scientific Reports 9 (1), 20367, 2019
502019
Graphene-based hyperbolic metamaterial as a switchable reflection modulator
A Pianelli, R Kowerdziej, M Dudek, K Sielezin, M Olifierczuk, J Parka
Optics Express 28 (5), 6708-6718, 2020
432020
Experimental study on terahertz metamaterial embedded in nematic liquid crystal
R Kowerdziej, L Jaroszewicz, M Olifierczuk, J Parka
Applied physics letters 106 (9), 2015
412015
Dielectric properties of highly anisotropic nematic liquid crystals for tunable microwave components
R Kowerdziej, J Parka, J Krupka, M Olifierczuk, ...
Applied Physics Letters 103 (17), 2013
352013
Thermally induced tunability of a terahertz metamaterial by using a specially designed nematic liquid crystal mixture
R Kowerdziej, M Olifierczuk, J Parka
Optics Express 26 (3), 2443-2452, 2018
312018
Microwave complex permittivity of voltage-tunable nematic liquid crystals measured in high resistivity silicon transducers
R Kowerdziej, J Krupka, E Nowinowski-Kruszelnicki, M Olifierczuk, ...
Applied Physics Letters 102 (10), 2013
302013
Tunable dual-band liquid crystal based near-infrared perfect metamaterial absorber with high-loss metal
R Kowerdziej, L Jaroszewicz
Liquid Crystals 46 (10), 1568-1573, 2019
292019
The influence of structure and concentration of cyano-terminated and terphenyl dopants on helical pitch and helical twist sense in orthoconic antiferroelectric mixtures
M Czerwiński, M Tykarska, R Dąbrowski, A Chełstowska, M Żurowska, ...
Liquid Crystals 39 (12), 1498-1502, 2012
292012
Graphene-based tunable hyperbolic microcavity
M Dudek, R Kowerdziej, A Pianelli, J Parka
Scientific Reports 11 (1), 74, 2021
242021
Electromagnetic simulations of tunable terahertz metamaterial infiltrated with highly birefringent nematic liquid crystal
R Kowerdziej, T Stańczyk, J Parka
Liquid Crystals 42 (4), 430-434, 2015
242015
Tunable negative index metamaterial employing in-plane switching mode at terahertz frequencies
R Kowerdziej, M Olifierczuk, B Salski, Parka, J
Liquid Crystals 39 (7), 827-831, 2012
202012
Nematic liquid crystal mixtures dedicated to thermally tunable terahertz devices
R Kowerdziej, K Garbat, M Walczakowski
Liquid Crystals 45 (7), 1040-1046, 2018
182018
Simulation of a tunable metamaterial with nematic liquid crystal layers
R Kowerdziej, J Parka, P Nyga, B Salski
Liquid Crystals 38 (3), 377-379, 2011
182011
Numerical analysis of THz metamaterial with high birefringence liquid crystal
M Olifierczuk, R Kowerdziej, L Jaroszewicz, M Czerwiński, J Parka
Liquid Crystals 39 (6), 739-744, 2012
172012
Soft‐Matter‐Based Hybrid and Active Metamaterials
R Kowerdziej, A Ferraro, DC Zografopoulos, R Caputo
Advanced Optical Materials 10 (19), 2200750, 2022
162022
Experimental study of thermally controlled metamaterial containing a liquid crystal layer at microwave frequencies
R Kowerdziej, J Parka, J Krupka
Liquid Crystals 38 (6), 743-747, 2011
152011
Active control of terahertz radiation using a metamaterial loaded with a nematic liquid crystal
R Kowerdziej, L Jaroszewicz
Liquid Crystals 43 (8), 1120-1125, 2016
142016
Investigations of twist elastic constant K22 of new nematic liquid crystal materials using threshold IPS method
J Parka, M Dąbrowski, R Kowerdziej
Opto-Electronics Review 19, 114-118, 2011
112011
Tunable liquid crystalline metamaterial structure in GHz range
R Kowerdziej, J Parka, P Nyga
Molecular Crystals and Liquid Crystals 545 (1), 91/[1315]-95/[1319], 2011
102011
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Articles 1–20