Publications

R. Lech, M. Polewski, J. Mazur: "Scattering in Junction by Posts Consisting of a Segment of Conducting Cylinder", IEEE Transaction on Microwave Theory and Techniques, Vol. 51, No. 3, March 2003, pp. 998-1002; LINK

R. Lech, M. Polewski, J. Mazur: "Scattering by Parallel Cylindrical Posts with Conducting Strips", Progress in Electromagnetics Research PIER 43, 305-333, 2003; LINK

R. Lech, M. Polewski, J. Mazur: "Scattering by Parallel Cylindrical Posts with Conducting Strips", Journal of Electromagnetic Waves and Applications Vol. 18, No. 1., 83-84, 2004; LINK

R. Lech, J. Mazur: "Tunable Waveguide Filter with Bow-Tie Metallic Posts" IEE Proceedings - Microwaves, Antenna and Propagation Vol. 151, No. 2, April 2004, pp. 156-160; LINK

R. Lech, J. Mazur: "Propagation in Rectangular Waveguides Periodically Loaded with Cylindrical Posts", IEEE Microwave and Wireless Components Letters, Vol. 14, Issue: 4, April 2004, pp. 177-179; LINK

M. Polewski, R. Lech, J. Mazur: "Rigorous Modal Analysis of Structures Containing Inhomogeneous Dielectric Cylinders", IEEE Transaction on Microwave Theory and Techniques, Vol. 52, No. 5, May 2004, pp. 1508-1516; LINK

R. Lech, P. Kowalczyk, J. Mazur: "Electromagnetic Wave Scattering by a Set of Axially Symmetric Omega-medium Cylinders", Microwave and Optical Technology Letters, Vol. 48, No. 9, September 2006, p. 1876-1880 LINK

M. Polewski, R. Lech, J. Mazur: "Radiation Phenomena from Pseudochiral Cylinders at Plane Wave Incidence", Microwave and Optical Technology Letters, Vol. 48, No. 9, September 2006, p. 1880-1884; LINK

R. Lech, J. Mazur, "Analysis of Circular Cavity with Cylindrical Objects", IEEE Transaction on Microwave Theory and Techniques Vol. 55, No. 10, Oct 2007, pp. 2115-2123; LINK

R Lech, M. Mazur, J. Mazur, "Analysis and Design of a Polarizer Rotator System", IEEE Transaction on Antennas and Propagation, Vol. 56, No. 3, March 2008, pp. 844-847; LINK

A. Kusiek, R Lech, J. Mazur, "A New Hybrid Method for Analysis of Scattering From Arbitrary Configuration of Cylindrical Objects", IEEE Transaction on Antennas and Propagation, Vol. 56, No. 6, June 2008, pp. 1725-1733; LINK

R Lech, J. Mazur, "Electromagnetic Curtain Effect and Tunneling Properties of Multilayered Periodic Structures", IEEE Antennas and Wireless Propagation Letters, Vol. 7, 2008, pp. 201-205 LINK

M. Sorn, R. Lech, J. Mazur, "Simulation and Experiment of a Compact Wideband 90 Differential Phase Shifter", IEEE Transaction on Microwave Theory and Techniques, Vol. 60, No. 3, March 2012, pp. 494-501 LINK

A. Kusiek, R. Lech, J. Mazur, "Analysis of Electromagnetic Plane Wave Scattering from 2-D Periodic Arrangements of Posts", Progress in Electromagnetics Research PIER 129, 2012, pp. 69-90 LINK

A. Kusiek, R. Lech, J. Mazur, "Hybrid Technique for the Analysis of Scattering from Periodic Structures Composed of Irregular Objects", Progress in Electromagnetics Research PIER 135, 2013, pp. 657-675 LINK

R. Lech, W. Marynowski, A. Kusiek, "Finite ground CPW-FED UWB antenna over the metallic cylindrical surfaces", Progress In Electromagnetics Research, Vol. 140, pp. 545-562, 2013. LINK

R. Lech, W. Marynowski, A. Kusiek, J. Mazur "Coplanar Waveguide-Fed Broadband Microwave Devices with (or without) a Thin Dielectric Substrate for Use in Flexible Electronic Systems", International Journal of Antennas and Propagation, vol. 2014, Article ID 379379, 9 pages, 2014. LINK

R. Lech, W. Marynowski, A. Kusiek, J. Mazur "An Analysis of Probe-Fed Rectangular Patch Antennas With Multilayer and Multipatch Configurations on Cylindrical Surfaces", IEEE Transaction on Antennas and Propagation, vol. 62, no. 6, pp. 2935-2945, June 2014. LINK

R. Lech, W. Marynowski, A. Kusiek, "An Analysis of Elliptical-Rectangular Multipatch Structure on Dielectric-Coated Confocal and Nonconfocal Elliptic Cylinders", IEEE Transaction on Antennas and Propagation, vol. 63, no. 1, pp. 97-105, Jan 2015. LINK

A. Kusiek, R. Lech, W. Marynowski, J. Mazur, "An Analysis of Multistrip Line Configuration on Elliptical Cylinder", IEEE Transactions on Microwave Theory and Techniques, vol. 63, no. 6, pp. 1800-1808, June 2015. LINK

R. Lech, P. Kowalczyk, A. Kusiek, "Scattering from a cylindrical object of arbitrary cross section with the use of field matching method," IEEE Transactions on Antennas and Propagation, vol. 64. no. 11, pp. 4883-4887, Nov. 2016. LINK

A. Kusiek, R. Lech, "Resonance frequency calculation of a multilayer and multipatch spherical microstrip structure using a hybrid technique," IEEE Transactions on Antennas and Propagation, vol. 64. no. 11, pp. 4948-4953, Nov. 2016. LINK

W. Marynowski, R. Lech and J. Mazur, "Edge-Guided Mode Performance and Applications in Nonreciprocal Millimeter-Wave Gyroelectric Components," IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 12, pp. 4883 - 4892, 2017 LINK

R. Lech, "Calculation of Resonance in Planar and Cylindrical Microstrip Structures Using a Hybrid Technique," IEEE Transactions on Antennas and Propagation, vol. 66. no. 01, pp. 497-500, 2018 LINK

R. Lech, "Resonance Microstrip Structure with Patch of Arbitrary Convex Geometry with the Use of Field Matching Technique," Journal of Electromagnetic Waves and Applications, vol. 32, no. 8, pp. 997-1007 , 2018  LINK

M. Warecka, R. Lech and P. Kowalczyk, "Propagation in the Open Cylindrical Guide of Arbitrary Cross Section with the Use of Field Matching Method," IEEE Transactions on Antennas and Propagation, vol. 66, no. 6, pp. 3237 - 3240, Jun. 2018. LINK

P. Kowalczyk, R. Lech, M. Warecka and A. Kusiek, "Electromagnetic Plane Wave Scattering from a Cylindrical Object with an Arbitrary Cross Section Using a Hybrid Technique," Journal of Electromagnetic Waves and Applications, vol. 33, no. 2, pp. 178-192, 2019.

M. Warecka, R. Lech and P. Kowalczyk, "Efficient Finite Element Analysis of Axially Symmetrical Waveguides and Waveguide Discontinuities," IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 11, pp. 4291-4297, Nov. 2019. LINK

D. Szypulski, G. Fotyga, R. Lech, P. Kowalczyk, "Model Order Reduction in Hybrid Methods Involving Generalized Impedance Matrix," IEEE Transactions on Antennas and Propagation, vol. 68, no. 8, pp. 6467-6472, Aug. 2020. LINK

M. Warecka, R. Lech and P. Kowalczyk, "Hybrid analysis of structures composed of axially symmetric objects," IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 11, pp. 4528-4535, Nov. 2020.

S. Dziedziewicz, R. Lech and P. Kowalczyk, "A Self-Adaptive Complex Root Tracing Algorithm for the Analysis of Propagation and Radiation Problems," IEEE Transactions on Antennas and Propagation, vol. 69, no. 8, pp. 5171-5174, Aug. 2021.

M. Warecka, G. Fotyga, P. Kowalczyk, R. Lech, M. Mrozowski, A. Pacewicz, B. Salski, J. Krupka, "Modal FEM Analysis of Ferrite Resonant Structures," IEEE Microwave and Wireless Components Letters, vol. 32, no. 7, pp. 819-822, July 2022.

S. Dziedziewicz, M. Warecka, R. Lech and P. Kowalczyk, "Self-Adaptive Mesh Generator for Global Complex Roots and Poles Finding Algorithm," IEEE Transactions on Microwave Theory and Techniques,  vol. 71, no. 7, pp. 2854-2863, July 2023. LINK

S. Dziedziewicz, M. Warecka, R. Lech and P. Kowalczyk, "Global Complex Roots and Poles Finding Algorithm in C x R Domain," IEEE Access,  vol. 11, pp. 68809-68817, 2023. LINK

M. Warecka, R. Lech, P. Kowalczyk, A. Pacewicz, B. Salski and J. Krupka, "Modal Hybrid Analysis of a Spherical Resonator with a Ferrite Load," IEEE Access, vol. 13, pp. 158483-158493, 2025, doi: 10.1109/ACCESS.2025.3606583.