Conference papers

R. Lech, W. Zieniutycz: "Linear Array of Rectangular Aperture Coupled Microstrip Antennas with Sectoral Radiation Pattern" 14th International Conference on Microwaves, Radar and Wireless Communications, Mikon, Poland, Gdansk, Vol. 3, 20-22 May 2002, pp. 797-800;

R. Lech, J. Mazur: "Plane Wave Scattering by Bow-Tie Posts" 9th International Symposium on Microwave and Optical Technology, Czech Republic, Ostrava, August 11-15, 2003;

R. Lech, J. Mazur: "Bow-Tie Cylindrical Posts in a Rectangular Waveguide and Its Filter Applications" 48th Internationales Wissenschaftliches Kolloquium, Germany, Ilmenau, September 22-25, 2003;

R. Lech, M. Polewski, J. Mazur: "Polarization of a Plane Wave Scattered by an Array of Cylinders" 15th International Conference on Microwaves, Radar and Wireless Communications, Poland, Warszawa, Mikon 2004, pp. 405-408;

M. Polewski, R. Lech, J. Mazur: "Oblique Plane Wave Scattering by an Array of Dielectric and Metamaterial Cylinders" 15th International Conference on Microwaves, Radar and Wireless Communications, Poland, Warszawa, Mikon 2004, pp. 409-412;

R. Lech, M. Polewski, J. Mazur: "Rectangular waveguide junction with posts of negative isotropic media" Bianisotropics 2004 - "10th Conference on Complex Media and Metamaterials", Belgium, Ghent, September 22-24, 2004, pp. 276-279;

M. Polewski, R. Lech, J. Mazur: "Radiation phenomena from metamaterial cylinders at oblique plane wave incidence" Bianisotropics 2004 - "10th Conference on Complex Media and Metamaterials", Belgium, Ghent, September 22-24, 2004, pp. 102-105;

M. Polewski, R. Lech, J. Mazur: "Scattering patterns of stripe-metalized cylinders for arbitrary plane wave illumination" 34th European Microwave Conference, Holland, Amsterdam, 12-14 October 2004, pp. 443-446;

M. Polewski, P. Kozakowski, R. Lech, J. Mazur: "Fast iterative procedure for wave scattering by cylindrical objects" 35th European Microwave Conference, France, Paris, 03-07 October 2005, pp. 773-776;

R. Lech, J. Mazur: "Analysis of Circular Cavity with Metalized Dielectric Posts or Corrugated Cylinders" PIERS 2006, Cambridge, MA, USA, 26-29 March 2006;

M. Polewski, R. Lech, J. Mazur: "Plane Wave Scattering by an Array of Pseudochiral Cylinders" PIERS 2006, Cambridge, MA, USA, 26-29 March 2006;

R. Lech, J. Mazur: "Circular resonator with corrugated cylinders" XVI International Conference on Microwaves, Radar and Wireless Communications: Microwave & Radar Week in Poland: Kraków, Poland, May 22-26, 2006 vol. 2. - Kraków: PIT, 2006 - s.600-603;

R. Lech, P. Kowalczyk, J. Mazur: "Scattering by a Set of Pseudochiral Cylinders" XVI International Conference on Microwaves, Radar and Wireless Communications: Microwave & Radar Week in Poland: Kraków, Poland, May 22-26, 2006 vol. 2. - Kraków: PIT 2006. s.719-722;

R. Lech, J. Mazur: "Characterization of Wave Structures Containing Sets of Bow-Tie Resonators" 17th International Conference RADIOELEKTRONIKA 2007, 23-24 April, Brno, Czech Republic, pp. 313-317

R. Lech, J. Mazur: "Polarization Rotaror - Analysis and Design" 14th Conference on Microwave Technique COMITE 2008, April 23-25, Prague, Czech Republic, pp. 47-50

R. Lech, J. Mazur: "Tunneling Properties of Multilayered Periodic Structures" 17th International Conference on Microwaves, Radar and Wireless Communications MIKON 2008, May 19-21, Wroclaw, Poland, vol. 2, pp. 324-327

R. Lech, A. Kusiek, J. Mazur: "Electromagnetic curtain effect of multilayered periodic structures" Metamaterials 2008, September 21-26, Pamplona, Spain, pp. 184-186

A. Kusiek, R. Lech, J. Mazur: "Periodic array of conducting ellipses as a frequency selective surface for polarization rotator" Metamaterials 2008, September 21-26, Pamplona, Spain, pp. 181-183

A. Kusiek, R. Lech, J. Mazur: "Tunable resonant circular cavity loaded with a set of cylindrical objects of arbitrary cross-section", 2009 International Symposium on Antennas and Propagation (ISAP 2009), October 20-23, Bangkok, Thailand

R. Lech, A. Kusiek, J. Mazur: "Tunable Filter Structure - Analysis and Design", 2009 International Symposium on Antennas and Propagation (ISAP 2009), October 20-23, Bangkok, Thailand

R. Lech, A. Kusiek, J. Mazur: "Analysis of circular cavity with tunable combline resonator", 15th Conference on Microwave Techniques, COMITE 2010, Czech Republic, Brno, 19-21 April 2010, pp. 175-178

A. Kusiek, R. Lech, J. Mazur: "Analysis of waveguide junctions containing axially-symetrical posts using hybrid finite-difference mode-matching technique", 15th Conference on Microwave Techniques, COMITE 2010, Czech Republic, Brno, 19-21 April 2010, pp. 171-174

L. Sorokosz, W. Zieniutycz, R. Lech, A. Kusiek: "Parametric Study of Radiation from Circumferential Slots on a Conducting Cylinder", 15th Conference on Microwave Techniques, COMITE 2010, Czech Republic, Brno, 19-21 April 2010, pp. 31-34

R. Lech, A. Kusiek, J. Mazur: "Tuning Properties of Irregular Posts in Waveguide Junction - Tunable Filter Application", 18th International Conference on Microwave, Radar and Wireless Communications MIKON-2010, Lithuania, Vilnius, 14-16 June 2010, pp. 705-708

A. Kusiek, R. Lech, J. Mazur: "Application of hybrid approach to the analysis of resonators loaded with axially symmetrical posts", 18th International Conference on Microwave, Radar and Wireless Communications MIKON-2010, Lithuania, Vilnius, 14-16 June 2010, pp. 754-756

R. Lech, A. Kusiek, J. Mazur: "Multilayered Periodic Structures - Tunneling and Electromagnetic Curtain Effects" The 31st Progress In Electromagnetics Research Symposium, Kuala Lumpur, Malaysia, 27-30 March, 2012, p. 326

A. Kusiek, W. Marynowski, R. Lech, J. Mazur: "Application of Cylindrical Ferrite Coupled Line Junction to Nonreciprocal Devices" The 31st Progress In Electromagnetics Research Symposium, Kuala Lumpur, Malaysia, 27-30 March, 2012, p. 601

W. Marynowski, A. Kusiek, R. Lech, J. Mazur: "Novel Structures of Circulator and Isolator Employing Ferrite Coupled Line Section" The 31st Progress In Electromagnetics Research Symposium, Kuala Lumpur, Malaysia, 27-30 March, 2012, p. 602

R. Lech, A. Kusiek: "Multimodal coupling matrix for an array of rectangular slots on conducting cylinder" 2012 19th International Conference on Microwaves, Radar and Wireless Communications, MIKON-2012, pp. 396-401

R. Lech, P. Kowalczyk: "Very High Frequency Technique Laboratory - First Step to the World of Microwaves" 2012 19th International Conference on Microwaves, Radar and Wireless Communications, MIKON-2012, pp. 563-566

W. Marynowski, R. Lech, J. Mazur: "Compact Wide-band 90^o Differential Phase Shifters" The 32nd Progress In Electromagnetics Research Symposium, PIERS in Moscow, Russia, 19-23 August, 2012, p. 504

R. Lech, A. Kusiek, J. Mazur: "Analysis of Electromagnetic Wave Scattering from the Surface of Double Periodic Arrangements of Metalo-dielectric Cylinders" The 32nd Progress In Electromagnetics Research Symposium, PIERS in Moscow, Russia, 19-23 August, 2012, p. 812

R. Lech, A. Kusiek, J. Mazur: "Radiation and Mutual Coupling between Apertures on a Conducting Cylinder" The 32nd Progress In Electromagnetics Research Symposium, PIERS in Moscow, Russia, 19-23 August, 2012, p. 341

W. Marynowski, R. Lech, J. Mazur: "UWB Antennas Fed with Coplanar Three-strip Line" The 32nd Progress In Electromagnetics Research Symposium, PIERS in Moscow, Russia, 19-23 August, 2012, p. 342

R. Lech, A. Kusiek, J. Mazur: "Analysis of Periodically Loaded Rectangular Waveguide" The 32nd Progress In Electromagnetics Research Symposium, PIERS in Moscow, Russia, 19-23 August, 2012, p. 813

A. Kusiek, R. Lech, J. Mazur: "Investigations of Plane Wave Scattering on Ferrite Posts Configurations Using Hybrid Technique" The 33rd Progress In Electromagnetics Research Symposium, PIERS in Taipei, Taiwan, 25-28 March, 2013 p. 368

R. Lech, W. Marynowski, A. Kusiek: "UWB Microstrip Antennas on a Cylindrical Surfaces" The 33rd Progress In Electromagnetics Research Symposium, PIERS in Taipei, Taiwan, 25-28 March, 2013 p. 496

R. Lech, W. Marynowski, A. Kusiek: "Microstrip Antennas on a Cylindrical Surfaces" The 34th Progress In Electromagnetics Research Symposium, PIERS in Stockholm, Sweden, 12-15 August, 2013 p. 161

R. Lech, W. Marynowski, A. Kusiek: "UWB Coplanar Line Fed Antennas on the Conducting Planar and Cylindrical Surfaces" The 34th Progress In Electromagnetics Research Symposium, PIERS in Stockholm, Sweden, 12-15 August, 2013 p. 162

W. Marynowski, R. Lech, A. Kusiek: "Cheap UWB Coplanar Line Fed Antennas on Electrically Conductive Adhesive Tape" The 34th Progress In Electromagnetics Research Symposium, PIERS in Stockholm, Sweden, 12-15 August, 2013 p. 163

R. Lech, W. Marynowski, A. Kusiek "Coplanar Waveguide Fed Ultra-Wideband Antenna Over the Planar and Cylindrical Surfaces " The 8th European Conference on Antennas & Propagation, 2014 (EuCAP 2014), Hague, Netherlands, 6-11 April 2014, pp. 3737-3740

R. Lech, A. Kusiek, W. Marynowski: "Radiation from Microstrip Patch Antennas Located on Elliptical Surfaces" The 35th Progress In Electromagnetics Research Symposium, PIERS, Guangzhou (Canton), China, 25-28 August, 2014

W. Marynowski, A. Kusiek, R. Lech: "Dual Polarization Circular Slot Antenna Using Microstrip and CPW Feeding Structures" The 35th Progress In Electromagnetics Research Symposium, PIERS, Guangzhou (Canton), China, 25-28 August, 2014

W. Marynowski, A. Kusiek, R. Lech: "The Investigation of the Performance of Crossovers Placed on Curved Surfaces" The 35th Progress In Electromagnetics Research Symposium, PIERS, Guangzhou (Canton), China, 25-28 August, 2014

A. Kusiek, R. Lech, W. Marynowski: "Rigorous Analysis of Multilayered Elliptical Striplines" The 35th Progress In Electromagnetics Research Symposium, PIERS, Guangzhou (Canton), China, 25-28 August, 2014

R. Lech, A. Kusiek: "An Analysis of Elliptical-Rectangular Patch Structure on Multilayer Elliptic Cylinders" The 9th European Conference on Antennas & Propagation, 2015 (EuCAP 2015), Lisbon, Portugal, 12-17 April 2015, pp. 1-2

A. Kusiek, R. Lech, P. Kowalczyk, W. Marynowski: "Resonance Frequency Calculation of Spherical Microstrip Structure Using Hybrid Technique" The 9th European Conference on Antennas & Propagation, 2015 (EuCAP 2015), Lisbon, Portugal, 12-17 April 2015, pp. 1-4

R. Lech, W. Marynowski, A. Kusiek, J. Mazur: "Wideband Crossover Structure with Double Ring Resonators" The 9th European Conference on Antennas & Propagation, 2015 (EuCAP 2015), Lisbon, Portugal, 12-17 April 2015, pp. 1-4

R. Lech, A. Kusiek, W. Marynowski, J. Mazur: "Resonance in Rectangular Microstrip Structure Loaded with a Thin Omega Medium Layer in the Substrate", The 36th Progress In Electromagnetics Research Symposium, PIERS, Prague, Czech Republic, European Union 6-9 July, 2015, pp. 221

W. Marynowski, A. Kusiek, R. Lech, J. Mazur: "Wave Properties of the Rectangular Waveguide Loaded with Thin Pseudochiral Medium Layer", The 36th Progress In Electromagnetics Research Symposium, PIERS, Prague, Czech Republic, European Union 6-9 July, 2015, pp. 229

R. Lech, A. Kusiek, W. Marynowski: "Resonance in Rectangular Microstrip Structure Loaded with a Pseudochiral Medium Layer", International Conference on Electromagnetics in Advanced Applications 2015 (ICEAA 2015), Torino, Italy, 7-11 September 2015, pp. 444-447

R. Lech, A. Kusiek, W. Marynowski and J. Mazur, "Resonant frequencies in microstrip structure with omega medium substrate," 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON), Krakow, 2016, pp. 1-4.

W. Marynowski, A. Kusiek, R. Lech and J. Mazur, "Shielded coupled strip and slot guides with a thin omega pseudochiral medium layer," 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON), Krakow, Poland, 2016, pp. 1-4.

R. Lech and A. Kusiek, "Resonant frequencies in the open microstrip structures placed on curved surfaces," 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON), Krakow, Poland, 2016, pp. 1-4.

A. Kusiek and R. Lech, "Resonance Frequency Calculation of Microstrip Structure Located on Cylindrical Surface Using Hybrid Technique," 2016 International Symposium on Antennas and Propagation (ISAP2016), Okinawa, Japan, 24-28 October 2016, pp. 468 - 469.

R. Lech, "Plane Wave Scattering from Omega-medium Cylindrical Objects of Arbitrary Cross-section," 2016 International Symposium on Antennas and Propagation (ISAP2016), Okinawa, Japan, 24-28 October 2016, pp. 890 - 891.

W. Marynowski, P. Kowalczyk, R. Lech, A. Kusiek and J. Mazur, "Analysis of graphene multi-strip planar guiding structures with the use of spectral domain approach", IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes (IMWS-AMP 2017), Pavia, Italy,20-22 September 2017

M. Warecka, P. Kowalczyk, and R. Lech, "Evaluation of propagation parameters of open guiding structures with the use of complex root finding algorithms" IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes (IMWS-AMP 2017), Pavia, Italy,20-22 September 2017

M. Jasinski, S. Dziedziewicz, P. Kruczynski, R. Lech and P. Kowalczyk, "An Analysis of Cylindrical Posts of Arbitrary Convex Cross Sections Located in Waveguide Junctions with the Use of Field Matching Method," 2018 22nd International Microwave and Radar Conference MIKON, May 15-17, 2018, Poznań, Poland, pp. 169 - 172.

M. Warecka, R. Lech and P. Kowalczyk, "An Analysis of Periodic Arrangements of Cylindrical Objects of Arbitrary Convex Cross Sections with the Use of Field Matching Method," 2018 22nd International Microwave and Radar Conference MIKON, May 15-17, 2018, Poznań, Poland, pp. 442 - 445.

M. Pastwa, T. Olszewski, R. Lech, P. Kowalczyk and J. Mazur, "An Analysis of Scattering from Ferrite Post of Arbitrary Convex Cross Section with the Use of Field Matching Method," 2018 22nd International Microwave and Radar Conference MIKON, May 15-17, 2018, Poznań, Poland, pp. 450 - 453.

S. Dziedziewicz, M. Jasinski, R. Lech and P. Kowalczyk, "Interactive Application for Visualization of the Basic Phenomena in RF and Microwave Devices," 2018 22nd International Microwave and Radar Conference MIKON, May 15-17, 2018, Poznań, Poland, pp. 649 - 652.

M. Warecka, R. Lech and P. Kowalczyk, "Scattering and Propagation Analysis for the Multilayered Structures Based on Field Matching Technique," The 13th European Conference on Antennas & Propagation, 2019 (EuCAP 2019), Krakow, Poland, 31 March-5 April 2019, pp. 1-4

M. Warecka, P. Kowalczyk and R. Lech, "Quasi-analytical Near-to-Far Field Transformation Based on Field Matching Method for Scattering Problems," The 13th European Conference on Antennas & Propagation, 2019 (EuCAP 2019), Krakow, Poland, 31 March-5 April 2019, pp. 1-4

M. Warecka, P. Kowalczyk and R. Lech, "Domain Reduction in Hybrid Technique for Electromagnetic Wave Scattering Problems," MIKON-2020 23rd International Microwave and Radar Conference, Warsaw, Poland, 5-7 October 2020, pp. 10-13

M. Baranowski, S. Dziedziewicz, R. Lech and P. Kowalczyk, "Hybrid Technique for the EM Scattering Analysis with the Use of Ring Domain Decomposition," Baltic URSI-2020 Baltic URSI Symposium, Warsaw, Poland, 5-7 October 2020, pp. 81-84

S. Dziedziewicz, R. Lech and P. Kowalczyk, "Analysis of Corrugated Coaxial Line with the Use of Body of Revolution and Finite Element Method," MIKON-2020 23rd International Microwave and Radar Conference, Warsaw, Poland, 5-7 October 2020, pp. 388-392

M. Warecka, R. Lech and P. Kowalczyk, "Hybrid Method Analysis of Unshielded Guiding Structures," MIKON-2020 23rd International Microwave and Radar Conference, Warsaw, Poland, 5-7 October 2020, pp. 416-419

S. Dziedziewicz, M. Warecka, R. Lech and P. Kowalczyk, "Multipath Complex Root Tracing," 2022 24th International Microwave and Radar Conference (MIKON), 2022, pp. 1-4.

P. Czekala et al., "Beam Waist in a Plano-Concave Fabry-Perot Open Resonator," 2022 24th International Microwave and Radar Conference (MIKON), 2022, pp. 1-4.

M. Warecka et al., "Efficient Fabry-Perot Open Resonator Analysis by the use of a Scattering Matrix Method," 2022 24th International Microwave and Radar Conference (MIKON), 2022, pp. 1-4.