Creating and sharing knowledge for telecommunications

IT Member Profile

... António Luís Campos da Silva Topa

Senior Researcher

António Topa

Academic position: Assistant Professor
Joining date: 03-01-1995
Roles in IT: Senior Researcher
Thematic Line: Wireless Technologies
Group: Antennas and Propagation – Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54
Fax: +351 21 841 84 72

ORCID iD
https://www.orcid.org/0000-0003-1364-2494

SCOPUS

Scientific Achievements

  • PhD, Instituto Superior Técnico, 27-03-1998
  • MSc, Instituto Superior Técnico, 18-12-1989
  • Licenciatura, Instituto Superior Técnico, 31-07-1985
  • Ordem dos Engenheiros, 01-07-1989, Membro
  • IEEE - Institute of Electrical and Electronics Engineers, 01-05-1989, Member
  • Instituto Superior Técnico, 04-12-1984, PhD
26Supervision of MSc theses
As Supervisor
4Books Chapters
  • A. Topa, C. R. Paiva, A. Barbosa, Dispersion and losses in metamaterial DNG H-guides, Chapter in, Metamaterials and Plasmonics: Fundamentals, Modelling and Applications, S. Zouhdi, A. Sihvola, and A. Vinogradov, Springer, 2009
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation in Omega Waveguides:Discrete Complex Modes and Application to a Ridge Waveguide, Chapter in, Progress in Electromagnetic Research, J. A. Kong, EMW Publishing, Cambridge, Massachussets, 2004
  • A. Topa, C. R. Paiva, A. Barbosa, Surface and Leaky Modes of Multilayered Omega Structures, Chapter in, Advances in Electromagnetics of Complex Media and Metamaterials, Saïd Zouhdi, Ari Sihvola, and Mohamed Arsalane, Kluwer Academic, Dordrecht, Netherlands, 2002
  • A. Topa, C. R. Paiva, A. Barbosa, Complete Spectral Representation for the Electromagnetic Field of Planar Multilayered Waveguides Containing Pseudochiral Omega Media, Chapter in, Progress In Electromagnetic Research, J. A. Kong, EMW Publishing, Cambridge, Massachussets, 1998
17Papers in Journals
  • S. Maslovski, H. F. Ferreira, I. Medvedev, N. Brás, A. Abraray, T. Fernandes, H. A. Silva, A. Topa, Conjugate impedance matched metamaterials: Physical modeling and wave interaction effects, Journal of Physics: Conference Series, Vol. 1092, No. 012084, pp. 1 - 4, September, 2018 | BibTex
  • I. V. Neves, A. Topa, M. Neves, Waveguide Dispersion in a Strongly Biaxial Anisotropic Fiber: An Analytical Solution, Journal of Lightwave Technology, Vol. 30, No. 14, pp. 2262 - 2270, July, 2012,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation in Chiral H-Guides, Progress in Electromagnetics Research, Vol. PIER 103, No. 103, pp. 285 - 303, April, 2010 | Full text (PDF 785 KBs) | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Guidance and Leakage Behavior of Uniaxial Ridge Waveguides, Journal of Electromagnetic Waves and Applications, Vol. 23, No. 13, pp. 1675 - 1684, September, 2009,
    | Abstract     | Full text (PDF 270 KBs) | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Novel propagation features of double negative H-guides and H-guide couplers, Microwave and Optical Tech. Letters, Vol. 47, No. 2, pp. 185 - 190, October, 2005 | Full text (PDF 141 KBs) | BibTex
  • F. M. Janeiro, C. R. Paiva, A. Topa, Guidance and leakage properties of chiral optical fibers, Journal of the Optical Society of America B: Optical Physics, Vol. 19, No. 11, pp. 2558 - 2566, November, 2002 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Complex Eigenmodes in Planar Waveguides with Pseudochiral Omega Media, Izvestiya Gomel'skogo Gosundarstvennogo Universitet, Vol. 9, No. 6, pp. 84 - 88, November, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Least Squares Boundary Residual Method for the Analysis of Step Discontinuities in Open Chiral Waveguides, AEU - International Journal of Electronics and Communications, Vol. 55, No. 4, pp. 281 - 291, July, 2001 | BibTex
  • W. Weiglhofer, A. Barbosa, A. Topa, Guest Editorial, AEU - International Journal of Electronics and Communications, Vol. 55, No. 4, pp. 209 - 210, July, 2001 | BibTex
  • C. R. Paiva, A. Topa, A. Barbosa, Influence of intermodal dispersion on the switching of solitons at different wavelengths in twin-core fiber couplers, Journal of the Optical Society of America B: Optical Physics, Vol. 16, No. 10, pp. 1636 - 1641, October, 1999 | Full text (PDF 141 KBs) | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Propagation Characteristics of the Rectangular Waveguide Inhomogeneously Filled with Uniaxial Omega Media, IEICE Transactions on Electronics, Vol. E82-C, No. 7, pp. 1166 - 1171, July, 1999 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Full-Wave Analysis of a Nonradiative Dielectric Waveguide with a Pseudochiral Omega Slab, IEEE Transactions on Microwave Theory and Techniques, Vol. 46, No. 9, pp. 1263 - 1269, September, 1998,
    | Abstract     | Full text (PDF 246 KBs) | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Complete Spectral Representation for the Electromagnetic Field of Planar Multilayered Waveguides Containing Pseudochiral Omega Media - Abstract, Journal of Electromagnetic Waves and Applications, Vol. 12, No. 3, pp. 349 - 350, March, 1998 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, New Biorthogonality Relations for Inhomogeneous Biisotropic Planar Waveguides, IEEE Transactions on Microwave Theory and Techniques, Vol. 42, No. 5, pp. 629 - 634, April, 1994 | BibTex
  • C. R. Paiva, A. Topa, A. Barbosa, Novel propagation features of dielectric planar chirowaveguides due to nonreciprocity, Microwave and Optical Tech. Letters, Vol. 6, No. 3, pp. 182 - 185, March, 1993 | BibTex
  • C. R. Paiva, A. Topa, A. Barbosa, Semileaky waves in dielectric chirowaveguides, Optics Letters, Vol. 17, No. 23, pp. 1670 - 1672, December, 1992 | Full text (PDF 354 KBs) | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Rigorous Analysis of a Step Discontinuity in a Dielectric Planar Anisotropic Waveguide, Microwave and Optical Tech. Letters, Vol. 5, No. 11, pp. 602 - 606, October, 1992 | BibTex
80Papers in Conferences
  • P. Sustelo, A. Topa, Modeling of Radar Pulse Compression Using Adapted Filters, EIEC Encuentro Iberico de Electromagnetismo Computacional EIEC, Cádiz, Spain, Vol., pp. -, November, 2023 | Full text (PDF 198 KBs) | BibTex
  • A. Duarte, A. Topa, Synthetic Aperture Radar Imagery using SOCET GXP®, EIEC Encuentro Iberico de Electromagnetismo Computacional EIEC, Núria (Girona), Spain, May, 2022,
    | Abstract     | Full text (PDF 2 MBs) | BibTex
  • P. Lopes, A. Topa, Design and Optimization for Mobile Networks in Stadium Environments, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Santander, Spain, October, 2019 | Full text (PDF 48 KBs) | BibTex
  • B. Rebelo, A. Topa, Public Protection and Disaster Relief network for the eastern group, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Santander, Spain, October, 2019 | Full text (PDF 106 KBs) | BibTex
  • S. Maslovski, T. Fernandes, N. Brás, H. A. Silva, A. Topa, Energy harvesting with conjugate-impedance matched metamaterials, Progress in Electromagnetics Research Symp. - PIERS, St. Petersburg, Russia, Vol. -, pp. 1449 - 1449, May, 2017 | BibTex
  • A. Topa, Mode Orthogonality in Metamaterial waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Oviedo, Spain, Vol. 1, pp. 1 - 1, November, 2016 | Full text (PDF 8 KBs) | BibTex
  • M. Garcia, A. Topa, Gesture Recognition by Electromagnetic-Wave Reflection, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Baeza, Spain, Vol. 1, pp. 1 - 2, May, 2015,
    | Abstract     | BibTex
  • A. Topa, Linear-Operator Theory for Inhomogeneous Omega Planar Waveguides, Progress in Electromagnetics Research Symp. - PIERS, Stockholm, Sweden, Vol. 1, pp. 1 - 1, August, 2013,
    | Abstract     | BibTex
  • A. Topa, Recent Advances on the Analysis and Design of Metamaterial Waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Dénia, Spain, Vol. 1, pp. 1 - 1, May, 2013,
    | Abstract     | BibTex
  • A. Topa, Metamaterial Waveguides, URSI Seminar of the Portuguese Committee, Lisboa, Portugal, Vol. 1, pp. 1 - 1, November, 2012,
    | Abstract     | BibTex
  • A. Topa, Linear Operator Formalism in the Analysis of Omega Planar Layered Waveguides, WASET International Conf. on Electrical, Computer, Electronics and Communication Engineering - ICECECE, Paris, France, Vol. 1, pp. 1 - 1, August, 2012 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Recent Investigation on Indefinite Medium Waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Sesimbra, Portugal, Vol. 1, pp. 1 - 1, November, 2011,
    | Abstract     | BibTex
  • A. Topa, Full-Wave Analytical Methods for the Electromagnetic Characterization of Metamaterial Waveguides, International Conf. on Electromagnetics in Advanced Applications - ICEAA, Torino, Italy, Vol. 1, pp. 1 - 1, September, 2011,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Dispersion Diagrams of Waveguides Filled With Indefinite Media, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. 1, pp. 1 - 1, April, 2011,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation in Waveguides with Indefinite Media, IEEE AP-S/URSI International Symp., Toronto, Canada, Vol. 1, pp. 1 - 1, July, 2010,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Variable Omega Directional Couplers, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Cáceres, Spain, Vol. 1, pp. 1 - 1, May, 2010,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, NRD Directional Couplers using Omega Media, NATO Advanced Research Workshop: Metamaterials for Secure Information and Communication Technologies - ARW, Cairo, Egypt, Vol. 1, pp. 1 - 1, February, 2010,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, New NRD-waveguide Devices Using Metamaterials, Progress in Electromagnetics Research Symp. - PIERS, Moscow, Russia, Vol. 1, pp. 1 - 1, August, 2009,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leakage, Dispersion and Losses in Omega H-Guides, IEEE AP-S/URSI International Symp., Charleston, United States, Vol. 1, pp. 1 - 1, June, 2009,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leaky Mode Dispersion in Omega NRD Waveguides, Conf. on Telecommunications - ConfTele, Vila da Feira, Portugal, Vol. 1, pp. 1 - 1, May, 2009,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Metamaterial Dispersion and Loss in a Double Negative Nonradiative Dielectric Waveguide, IEEE CONVENTION OF ELECTRICAL AND ELECTRONICS ENGINEERS IN ISRAEL, Eilat, Israel, Vol., pp. - - -, December, 2008,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Guided Waves in Metamaterials, URSI Seminar of the Portuguese Committee, Lisboa, Portugal, Vol., pp. - - -, November, 2008,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Guided Waves in Metamaterial Three-dimensional Waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Cádiz, Spain, Vol., pp. 1 - 1, October, 2008,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, The effect of material dispersion in omega nonradiative dielectric waveguides, URSI General Assembly, Chicago, United States, Vol. 1, pp. 1 - 1, August, 2008,
    | Abstract     | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, The effect of metamaterial losses in DNG H-guide performance, NATO Advanced Research Workshop: Metamaterials for Secure Information and Communication Technologies - ARW, Marrakesh, Morocco, Vol. 1, pp. 569 - 569, May, 2008 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Proper Leaky Modes in DNG Ridge Waveguides, Progress in Electromagnetics Research Symp. - PIERS, Prague, Czech Republic, Vol. 1, pp. 1 - 4, August, 2007 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Dispersive Leaky-Mode Propagation in Metamaterial Nonradiative Dielectric Waveguides, IEEE AP-S/URSI International Symp., Honolulu, United States, Vol. 1, pp. 1 - 4, June, 2007 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Propagation Analysis of Chiral H-Guides, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 5 - 8, May, 2007 | BibTex
  • R. Rosa, P. Oliveira, A. Topa, C. A. Fernandes, Visualization Tool for the Propagation of Electromagnetic Waves, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 93 - 96, May, 2007 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Assessment of the Effective Index Method in the Analysis of DNG Metamaterial Waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Barcelona, Spain, Vol. 1, pp. 1 - 4, April, 2007 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic-Wave Propagation in Chiral H-Guides, USNC/URSI National Radio Science Meeting, Albuquerque, United States, Vol. 1, pp. 1 - 1, July, 2006 | BibTex
  • João R. Canto, S.A. Matos, A. Topa, C. R. Paiva, Comportamento Dispersivo de Modos Leaky em Guias Metamateriais DNG, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Seia, Portugal, Vol. 1, pp. 29 - 32, September, 2005 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, DNG-NRD Directional Couplers, Progress in Electromagnetics Research Symp. - PIERS, Hangzhou, China, Vol. 1, pp. 115 - 115, August, 2005 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Surface and Leaky Modes in a Symmetric DPS-DNG Slab, IEEE AP-S/URSI International Symp., Washington, United States, Vol. -, pp. - - -, July, 2005 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Mode Coupling in Parallel DNG/DPS H-Guides: A Full-wave Analysis, USNC/URSI National Radio Science Meeting, Washington, United States, Vol. 1, pp. 1 - 1, July, 2005 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation in Waveguiding Structures Containing DNG Metamaterials, Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. 1, pp. 1 - 1, April, 2005 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Reflection and Transmission at a Chiral Planar Interface, Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. 1, pp. - - -, April, 2005 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Guided Wave Propagation in H-guides using Double Negative Materials, USNC/URSI National Radio Science Meeting, Monterey, United States, Vol. 1, pp. 156 - 156, June, 2004 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation in 3D Planar Waveguides Using Unconventional Media, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Burgos, Spain, Vol. 1, pp. 1 - 4, December, 2003 | BibTex
  • A. Topa, Leaky modes in planar waveguides containing DNG metamaterials, International Conf. on Electromagnetics in Advanced Applications - ICEAA, Torino, Italy, Vol. 1, pp. 447 - 450, September, 2003 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Discrete Complex Spectrum of 3D Omega Waveguides, USNC/URSI National Radio Science Meeting, Columbus, United States, Vol. 1, pp. 221 - 221, June, 2003 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Recent Results on the Electromagnetic Characterization of Chiral Planar Waveguides, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 115 - 118, June, 2003 | BibTex
  • A. Topa, Contra-Directional Coupling in NRD Directional Coupler with a Metamaterial Slab, URSI General Assembly, Maastricht, Netherlands, Vol. 1, pp. 1878 - 1878, August, 2002 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Complex Spectrum of 3D Open Chiral Waveguides, USNC/URSI National Radio Science Meeting, San Antonio, United States, Vol. 1, pp. 111 - 111, June, 2002 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Surface and Leaky Modes of Multilayered Omega Structures, International Conf. on Electromagnetics of Complex Media - BIANISOTROPICS, Marrakech, Morocco, Vol. 1, pp. 46 - 46, May, 2002 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Leakage characteristics of open chirowaveguides – Dielectric slabs and optical fibers, International Conf. on Electromagnetics of Complex Media - BIANISOTROPICS, Marrakech, Morocco, Vol. 1, pp. 69 - 69, May, 2002 | BibTex
  • H. M. Ramos, F. M. Janeiro, A. Topa, C. R. Paiva, Material and waveguide dispersion in a symmetric planar chirowaveguide, International Conf. on Electromagnetics of Complex Media - BIANISOTROPICS, Marrakech, Morocco, Vol. 1, pp. 75 - 75, May, 2002 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Characterization of Abrupt Discontinuities in Chiral Waveguides, Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Aracena, Spain, Vol. 1, pp. 12 - 12, December, 2001 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Semi-Leaky Modes in Chiral Optical Fibers, IEEE Lasers and Electro Optics Society Annual Meeting - LEOS, San Diego, United States, Vol. 1, pp. 897 - 898, November, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Complex Eigenmodes in Planar Waveguides with Pseudochiral Omega Media, Problems of Interaction of Radiation with Matter, Gomel, Belarus, Vol. 1, pp. 69 - 69, October, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Complex Spectrum of Planar Omega Structures, International Conf. on Electromagnetics in Advanced Applications - ICEAA, Torino, Italy, Vol. 1, pp. 719 - 722, September, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Semileaky Modes in Dielectric Pseudochiral Slabs, USNC/URSI National Radio Science Meeting, Boston, United States, Vol. 1, pp. 388 - 388, July, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Theory of Inhomogeneous Planar Layered Waveguides with Transverse Anisotropy, URSI International Symp. in Electromagnetic Theory, Victoria, Canada, Vol. 1, pp. 98 - 100, May, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Continuous and Discrete Spectrum of 3D Waveguides with Complex Media – Radiative and Leakage Behavior, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 42 - 46, April, 2001 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Optimal Dispersion Maps in Filtered WDM Soliton Systems, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 493 - 496, April, 2001 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Design of Pseudochiral Omega-NRD Directional Couplers, Asia Pacific Microwave Conf. - APMC, Sidney, Australia, Vol. 1, pp. 1238 - 1241, December, 2000 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Radiation Control on a Step Discontinuity of a Grounded Chiral Slab, International Conf. on Electromagnetics of Complex Media - BIANISOTROPICS, Lisbon, Portugal, Vol. 1, pp. 325 - 328, September, 2000 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Mode Orthogonality in Pseudochiral Planar Waveguides, USNC/URSI National Radio Science Meeting, Salt Lake City, United States, Vol. 1, pp. 65 - 65, July, 2000 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leakage Effects in Pseudochiral Waveguides, Progress in Electromagnetics Research Symp. - PIERS, Cambridge, United States, Vol. 1, pp. 95 - 95, July, 2000 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Dispersion-Managed Wavelength Division Multiplexed Soliton Systems with Filtering, Progress in Electromagnetics Research Symp. - PIERS, Boston, United States, Vol. 1, pp. 45 - 45, July, 2000 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Electromagnetic Wave Propagation Characteristics of Chiral and Pseudochiral Waveguides, URSI General Assembly, Toronto, Canada, Vol. 1, pp. 200 - 200, August, 1999 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leakage Properties of Open 3D Anisotropic Waveguides, USNC/URSI National Radio Science Meeting, Orlando, United States, Vol. 1, pp. 32 - 32, July, 1999 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, Gestão da Dispersão em Sistemas de Comunicação Óptica WDM com Solitões, Encontro do Colégio de Electrotecnia da Ordem dos Engenheiros, Lisboa, Portugal, Vol. 1, pp. 127 - 132, May, 1999 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leaky Modes in Anisotropic Planar Structures with Application to LiNb03 Waveguides, Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 476 - 480, April, 1999 | BibTex
  • F. M. Janeiro, A. Topa, C. R. Paiva, A New Design Procedure to Select Optimal Dispersion Maps for WDM Soliton Communication Systems, Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 167 - 171, April, 1999 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leaky Modes in Open Uniaxial Waveguides, Progress in Electromagnetics Research Symp. - PIERS, Taipei, Taiwan, Vol. 1, pp. 940 - 940, March, 1999 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Rigorous Analysis of the Rectangular Waveguide Loaded with a Pseudochiral Omega Slab, Asia Pacific Microwave Conf. - APMC, Yokohama, Japan, Vol. 1, pp. 277 - 280, December, 1998 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Aplicação do Método dos Mínimos Quadrados ao Estudo de Descontinuidades em Degrau em Guias Dieléctricos Planares, Matemática em Telecomunicações - Que Problemas? - MTQP, Coimbra, Portugal, Vol. 1, pp. 37 - 45, September, 1998 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Leaky Modes in Chiral Rib Waveguides, Progress in Electromagnetics Research Symp. - PIERS, Nantes, France, Vol. 2, pp. 517 - 517, July, 1998 | BibTex
  • A. Topa, L. N. Vicente, C. R. Paiva, A. Barbosa, Application of the Least Squares Method to the Analysis of Planar Waveguides for Integrated Optics, Optimization, Coimbra, Portugal, Vol. 1, pp. 63 - 63, July, 1998 | BibTex
  • L. N. Vicente, A. Topa, C. R. Paiva, A. Barbosa, Application of The Least Squares Boundary Residual Method to the Study of Step Discontinuities in Dielectric Planar Waveguides, Matemática em Telecomunicações - Que Problemas? - MTQP, Coimbra, Portugal, Vol. 1, pp. 99 - 108, July, 1998 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Hybrid Mode Propagation in Pseudochiral Uniaxial Waveguides with Rectangular Cross-Section, International Conf. on Electromagnetics of Complex Media - BIANISOTROPICS, Braunschweig, Germany, Vol. 1, pp. 151 - 154, June, 1998 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Omega NRD – Pseudochiral Nonradiative Dielectric Waveguide, Asia Pacific Microwave Conf. - APMC, Hong Kong (SAR), China, Vol. 2, pp. 597 - 600, December, 1997 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, A Linear-Operator Formalism for the Analysis of Inhomogeneous Pseudochiral Planar Waveguides, USNC/URSI National Radio Science Meeting, Montreal, Canada, Vol. 1, pp. 81 - 81, July, 1997 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, A Linear-Operator Formalism for the Analysis of Planar Layered Waveguides Containing Omega Media: Application to Microwave Devices, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 111 - 114, April, 1997 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Radiation Modes of an Asymmetric Chiral Slab Waveguide - A General Approach to a New Canonical Problem, Progress in Electromagnetics Research Symp. - PIERS, Hong Kong, Hong Kong, Vol. 2, pp. 684 - 684, January, 1997 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Step Discontinuity in a Planar Dielectric Chiral Slab: An Improved Analysis, Progress in Electromagnetics Research Symp. - PIERS, Innsbruck, Austria, Vol. 1, pp. 495 - 495, July, 1996 | BibTex
  • A. Topa, C. R. Paiva, A. Barbosa, Rigorous Analysis of a Step Discontinuity in a Planar Dielectric Chiral Slab, International Conf. on Chiral, Bi-isotropic and Bi-anisotropic - CHIRAL, State College, PA, United States, Vol. 1, pp. 131 - 134, October, 1995 | BibTex
  • C. R. Paiva, A. Barbosa, A. Topa, A new analytical method for the study of layered anisotropic waveguides, IEEE Mediterranean Electrotechnical Conference - MELECON, Lisboa, Portugal, Vol. 89, pp. 691 - 694, April, 1989 | BibTex
  • C. R. Paiva, A. Barbosa, A. Topa, Analysis of the conductor-backed uniaxial slab with upper-shielding in the polar configuration, Simpósio de Electrónica das Telecomunicações, Porto, Portugal, Vol. 3, pp. xx - xx, May, 1988 | BibTex

Closed Projects5

Acronym Name Funding Agency Start date Ending date
CHIRAL 2D and 3D Chiral and Omega Structures:Guidance,Leakage and Radiation Behaviour FCT/POSI 01-02-2002 30-09-2005
FS Fiber Solitons: Propagation, Amplification and Switching FCT/POSI 01-10-2000 01-10-2004
MEIOS ARTIFICIAIS Propagation and Radiation in Complex Media Using Planar Technology CRUP 01-01-2002 31-12-2003
MMSUPER Metamaterial superabsorbers for harnessing wireless power IT, FCT 01-12-2016 01-12-2018
Non Linear and Chiroguides Microwave and optical devices for transmission and switching using linear and nonlinear media FCT/PRAXIS 15-05-1997 21-02-2001
1Miscellaneous
  • A. Barbosa, A. Topa, 8th International Conference on Electromagnetics of Complex Media-BIANISOTROPICS 2000, Editor of Conference Proceedings, ISBN 972-98115-1-2, 01-09-2000
6Conference Committees
  • Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Technical Programme Committee, 2007
  • IV Encontro Ibérico de Electromagnetismo Computacional, Technical Programme Chairman, 2005
  • ConfTele 2005 - 5th Conference on Telecommunications, Organizing Committee, 2004
  • PIRM 2001 - Problems of Interaction of Radiation with Matter, Technical Programme Committee, 2001
  • BIANISOTROPICS 2000 - 8th International Conference on Electromagnetics of Complex Media, Organizing Committee, 2000
  • ConfTele'99 - 2nd Conference on Telecommunications, Organizing Committee, 1999
1Refereeing Journals
  • IEEE Transactions on Microwave Theory and Techniques
    2007, 1 review(s);
1Refereeing Conferences

  • 2007, 1 review(s);

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