Avramidis KA, Ioannidis ZC, Aiello G, Bénin P, Chelis I, Dinklage A, Gantenbein G, Illy S, Jelonnek J, Jin J, et al. Towards a 1.5 MW, 140 GHz gyrotron for the upgraded ECRH system at W7-X. Fusion Engineering and Design [Internet]. 2021;164. Website

Garavaglia S, Baiocchi B, Bruschi A, Čufar A, Fanale F, Granucci G, Moro A, Poli E, Rispoli N, Scherer T, et al. EU DEMO EC equatorial launcher pre-conceptual performance studies. Fusion Engineering and Design [Internet]. 2020;156. Website

Bin W, Bruschi A, Fanale F, Lucca F, Alberti S, Carannante G, Cavinato M, Goodman T, Hogge J-P, Legrand F, et al. Operations with spherical calorimetric loads in different configurations at gyrotron test stands at EPFL and QST. In: AIP Conference Proceedings. Vol. 2254. ; 2020. Website

Peponis DV, Latsas GP, Ioannidis ZC, Tigelis IG. Dispersion properties of rectangularly-corrugated waveguide structures by the in-house 3D FDTD code COCHLEA in cylindrical coordinates. IET Microwaves, Antennas and Propagation [Internet]. 2019;13:28-34. Website

Jelonnek J, Aiello G, Albaiar F, Alberti S, Avramidis KA, Bertinetti A, Brucker PT, Bruschi A, Chclis I, Dubray J, et al. From W7-X Towards ITER and Beyond: 2019 Status on EU Fusion Gyrotron Developments. In: 2019 International Vacuum Electronics Conference, IVEC 2019. ; 2019. Website

Ioannidis ZC, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Bruschi A, Chelis J, Fanale F, Gantenbein G, et al. Recent experiments with the European 1MW, 170GHz industrial CW and short-pulse gyrotrons for ITER. Fusion Engineering and Design [Internet]. 2019. Website

Ram AK, Hizanidis K, Papadopoulos A, Valvis SI, Zisis A, Tigelis IG. Scattering of radio frequency waves by plasma turbulence. In: 46th EPS Conference on Plasma Physics, EPS 2019. ; 2019. Website

Peponis DV, Latsas GP, Chelis IG, Tigelis IG. Calculation of Electron Beam Properties under the Presence of an Axially Varying Magnetostatic Field by Using the FDTD Code COCHLEA. In: Progress in Electromagnetics Research Symposium. Vol. 2019-June. ; 2019. pp. 2598-2602. Website

Latsas GP, Tigelis IG, Genoud J, Alberti S. The Effect of the Lossy Material on the Modes in a Smooth Metallic Dielectric Loaded Gyrotron Beam Tunnel. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Chelis IG, Peponis DV, Latsas GP, Tigelis IG. Increasing the diffraction losses in gyrotron beam tunnels for improved suppression of parasitic oscillations. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Genoud J, Alberti S, Hogge J-P, Tigelis IG, Latsas GP, Chelis IG. Modeling of parasitic oscillations in smooth-wall circular symmetric dielectric-loaded gyrotron beam ducts. Physics of Plasmas [Internet]. 2019;26. Website

Avramidis KA, Aiello G, Alberti S, Brücker PT, Bruschi A, Chelis I, Franke T, Gantenbein G, Garavaglia S, Genoud J, et al. Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive. Nuclear Fusion [Internet]. 2019;59. Website

Peponis DV, Latsas GP, Chelis IG, Tigelis IG. Propagation Characteristics of Periodic Azimuthally Corrugated Waveguides Derived by the FDTD Code COCHLEA. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Bin W, Bruschi A, Fanale F, Francesca M, Lucca F, Albajar F, Alberti S, Carannante G, Cavinato M, Chelis I, et al. Tests and developments of a long-pulse high-power 170 GHz absorbing matched load. Fusion Engineering and Design [Internet]. 2019;146:36-39. Website

Valvis SI, Zisis A, Papadopoulos A, Papagiannis P, Ram AK, Hizanidis K, Tigelis IG, Glytsis E. RF beam scattering by cylindrical filaments and interfacial density fluctuations (∗). In: 45th EPS Conference on Plasma Physics, EPS 2018. Vol. 2018-July. ; 2018. pp. 1732-1735. Website

Latsas GP, Zisis AI, Tigelis IG. Computational Studies on the Suppression of Parasitic Oscillations in Gyrotron Beam Tunnels. IEEE Transactions on Electron Devices [Internet]. 2018;65:3479-3485. Website

Garavaglia S, Aiello G, Alberti S, Avramidis K, Bruschi A, Chelis IG, Franck J, Gantenbein G, Granucci G, Grossetti G, et al. EU DEMO EC system preliminary conceptual design. Fusion Engineering and Design [Internet]. 2018;136:1173-1177. Website

Ioannidis ZC, Rzesnicki T, Avramidis K, Gantenbein G, Illy S, Jin J, Kobarg T, Pagonakis IG, Schmid M, Thumm M, et al. First CW experiments with the EU ITER 1 MW, 170 GHz industrial prototype gyrotron. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2. Website

Ioannidis ZC, Pagonakis IG, Avramidis KA, Illy S, Rzesnicki T, Tigelis IG, Gantenbein G, Jelonnek J. An Improved Diagnostic Device for Magnetron Injection Guns of High-Power Gyrotrons. IEEE Transactions on Electron Devices [Internet]. 2018;65:2294-2300. Website

Chelis IG, Avramidis KA, Ioannidis ZC, Tigelis IG. Improved Suppression of Parasitic Oscillations in Gyrotron Beam Tunnels by Proper Selection of the Lossy Ceramic Material. IEEE Transactions on Electron Devices [Internet]. 2018;65:2301-2307. Website

Valvis SI, Ram AK, Hizanidis K, Papagiannis P, Papadopoulos A, Zisis A, Tigelis IG, Glytsis E. Scattering of radio frequency waves by cylindrical filaments with general orientation relative to the magnetic field. Journal of Plasma Physics [Internet]. 2018;84. Website

Ioannidis ZC, Ram AK, Hizanidis K, Tigelis IG. Computational studies on scattering of radio frequency waves by density filaments in fusion plasmas. Physics of Plasmas [Internet]. 2017;24. Website

Granucci G, Aiello G, Alberti S, Avramidis KA, Braunmüller F, Bruschi A, Chelis J, Franck J, Figini L, Gantenbein G, et al. Conceptual design of the EU DEMO EC-system: Main developments and R&D achievements. Nuclear Fusion [Internet]. 2017;57. Website

Moro A, Bruschi A, Franke T, Garavaglia S, Granucci G, Grossetti G, Hizanidis K, Tigelis I, Tran M-Q, Tsironis C. Conceptual design studies of the Electron Cyclotron launcher for DEMO reactor. In: EPJ Web of Conferences. Vol. 157. ; 2017. Website

Ioannidis ZC, Rzesnicki T, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Bruschi A, Chelis I, Frigot P-E, et al. CW Experiments with the EU 1-MW, 170-GHz Industrial Prototype Gyrotron for ITER at KIT. IEEE Transactions on Electron Devices [Internet]. 2017;64:3885-3892. Website

Jelonnek J, Aiello G, Alberti S, Avramidis K, Braunmueller F, Bruschi A, Chelis J, Franck J, Franke T, Gantenbein G, et al. Design considerations for future DEMO gyrotrons: A review on related gyrotron activities within EUROfusion. Fusion Engineering and Design [Internet]. 2017;123:241-246. Website

Granucci G, Aiello G, Avramidis KA, Bruschi A, Gantenbein G, Garavaglia S, Grossetti G, Jelonnek J, Moro A, Poli E, et al. The EC-system of EU DEMO: Concepts for a reactor heating system. In: EPJ Web of Conferences. Vol. 149. ; 2017. Website

Jelonnek J, Aiello G, Alberti S, Avramidis K, Bertinetti A, Bruschi A, Chelis J, Franke T, Gantenbein G, Garavaglia S, et al. European research activities towards a future DEMO gyrotron. In: EPJ Web of Conferences. Vol. 149. ; 2017. Website

Gantenbein G, Albajar F, Alberti S, Avramidis K, Bin W, Bonicelli T, Bruschi A, Chelis J, Fanale F, Legrand F, et al. Experimental Results of the EU ITER Prototype Gyrotrons. In: EPJ Web of Conferences. Vol. 157. ; 2017. Website

Rzesnicki T, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Braunmueller F, Bruschi A, Chelis J, Frigot P-E, et al. Experimental verification of the European 1 MW, 170 GHz industrial CW prototype gyrotron for ITER. Fusion Engineering and Design [Internet]. 2017;123:490-494. Website

Ioannidis ZC, Avramidis KA, Tigelis IG. Selectivity Properties of Coaxial Gyrotron Cavities With Mode Converting Corrugations. IEEE Transactions on Electron Devices [Internet]. 2016;63:1299-1306. Website

Peponis DV, Ioannidis ZC, Avramidis KA, Tigelis IG. Sensitivity analysis of a 140-GHz coaxial gyrotron cavity with corrugations on the inner and outer walls. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016. Website

Hogge J-P, Albajar F, Alberti S, Avramidis K, Bin W, Bonicelli T, Braunmueller F, Bruschi A, Chelis J, Frigot P-E, et al. Status and experimental results of the European 1 MW, 170 GHz industrial CW prototype Gyrotron for ITER. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016. Website

Latsas GP, Zisis AI, Chelis IG, Tigelis IG. Study of parasitic oscillations in gyrotron beam tunnels. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016. Website

Albajar F, Aiello G, Alberti S, Arnold F, Avramidis K, Bader M, Batista R, Bertizzolo R, Bonicelli T, Braunmueller F, et al. Status of Europe's contribution to the ITER EC system. In: EPJ Web of Conferences. Vol. 87. ; 2015. Website

Pagonakis IG, Albajar F, Alberti S, Avramidis K, Bonicelli T, Braunmueller F, Bruschi A, Chelis I, Cismondi F, Gantenbein G, et al. Status of the development of the EU 170 GHz/1 MW/CW gyrotron. Fusion Engineering and Design [Internet]. 2015;96-97:149-154. Website

Avramidis KA, Ioannidis ZC, Kern S, Samartsev A, Pagonakis IG, Tigelis IG, Jelonnek J. A comparative study on the modeling of dynamic after-cavity interaction in gyrotrons. Physics of Plasmas [Internet]. 2015;22. Website

Tigelis IG, Raguin J-Y, Ioannidis ZC, Latsas GP, Amditis AJ. Dispersion characteristics of arbitrary periodic structures with rectangular grooves. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2015;29:432-442. Website

Peponis DV, Latsas GP, Ioannidis ZC, Tigelis IG. FDTD simulation of a cylindrical waveguide using longitudinal current distribution as an excitation scheme. In: Progress in Electromagnetics Research Symposium. Vol. 2015-January. ; 2015. pp. 1657-1661. Website

Jelonnek J, Aiello G, Avramidis K, Franck J, Gantenbein G, Grossetti G, Hesch K, Illy S, Jin J, Kalaria P, et al. From W7-X towards ITER and beyond: Status and progress in EU fusion gyrotron developments. In: Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015. ; 2015. Website

Ioannidis ZC, Avramidis KA, Tigelis IG. Open-ended Coaxial Cavities with Corrugated Inner and Outer Walls. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2015;36:461-473. Website

Illy S, Avramidis K, Gantenbein G, Hesch K, Jelonnek J, Jin J, Pagonakis I, Piosczyk B, Rzesnicki T, Thumm M, et al. Progress on the development of the EU-1 MW gyrotron for ITER. In: ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams. ; 2015. Website

Jelonnek J, Albajar F, Alberti S, Avramidis K, Benin P, Bonicelli T, Cismondi F, Erckmann V, Gantenbein G, Hesch K, et al. From series production of gyrotrons for W7-X toward EU-1 MW gyrotrons for ITER. IEEE Transactions on Plasma Science [Internet]. 2014;42:1135-1144. Website

Manenkov AB, Gerolymatos PG, Tigelis IG. Scattering of modes by the end of a diaphragm-loaded planar dielectric waveguide. Journal of Communications Technology and Electronics [Internet]. 2014;59:952-958. Website

Pagonakis IG, Gantenbein G, Jelonnek J, Jin J, Illy S, Kern S, Piosczyk B, Rzesnicki T, Thumm M, Avramides KA, et al. Design of the EU-1MW gyrotron for ITER. In: 14th IEEE International Vacuum Electronics Conference, IVEC 2013 - Proceedings. ; 2013. Website

Ioannidis ZC, Avramidis KA, Latsas GP, Tigelis IG. Eigenvalue spectrum of coaxial cavities with corrugations on the inner and the outer wall. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2013. Website

Asvesta F, Xanthakis JP, Tigelis IG. On the existence of localized states in quantum pillars. Superlattices and Microstructures [Internet]. 2013;60:596-605. Website

Jelonnek J, Gantenbein G, Hesch K, Jin J, Pagonakis I, Piosczyk B, Rzesnicki T, Thumm M, Alberti S, Hogge J-P, et al. From series production of gyrotrons for W7-X towards EU-1 MW gyrotrons for ITER. In: Digest of Technical Papers-IEEE International Pulsed Power Conference. ; 2013. Website

Avramidis KA, Pagonakis IG, Ioannidis ZC, Tigelis IG. Numerical investigations on the effects of electron beam misalignment on beam-wave interaction in a high-power coaxial gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2013. Website

Moraitou MD, Latsas GP, Ioannidis ZC, Tigelis IG. Parasitic oscillations in coaxial gyrotron beam tunnels. IEEE Transactions on Electron Devices [Internet]. 2013;60:1469-1475. Website

Latsas GP, Ioannidis ZC, Tigelis IG. Dependence of parasitic modes on geometry and attenuation in gyrotron beam tunnels. IEEE Transactions on Plasma Science [Internet]. 2012;40:1538-1544. Website

Kern S, Hogge J-P, Alberti S, Avramides K, Gantenbein G, Illy S, Jelonnek J, Jin J, Li F, Pagonakis IG, et al. Experimental results and recent developments on the EU 2 MW 170 GHz coaxial cavity gyrotron for ITER. In: EPJ Web of Conferences. Vol. 32. ; 2012. Website

Ioannidis ZC, Avramides KA, Latsas GP, Tigelis IG. Azimuthal mode coupling in coaxial waveguides and cavities with longitudinally corrugated insert. IEEE Transactions on Plasma Science [Internet]. 2011;39:1213-1221. Website

Samartsev A, Gantenbein G, Illy S, Kern S, Latsas G, Thumm M, Tigelis I. Numerical simulation of parasitic gyro-BWO interaction in a gyrotron beam tunnel. In: IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves. ; 2011. Website

Schlaich A, Flamm J, Gantenbein G, Kern S, Latsas G, Rzesnicki T, Samartsev A, Thumm M, Tigelis I. 2.4: Investigations on parasitic oscillations in megawatt gyrotrons. In: 2010 IEEE International Vacuum Electronics Conference, IVEC 2010. ; 2010. pp. 33-34. Website

Latsas GP, Moraitou MD, Ioannidis ZC, Tigelis IG. Calculations on the beam-wave interactions in coaxial gyrotron beam tunnels. IEEE Transactions on Plasma Science [Internet]. 2010;38:1185-1192. Website

Ioannidis ZC, Avramides KA, Kern S, Latsas GP, Tigelis IG. The contribution of higher-order spatial harmonics in eigenvalues and ohmic losses calculations in coaxial corrugated cavities. In: IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. ; 2010. Website

Gantenbein G, Dammertz G, Flamm J, Illy S, Kern S, Latsas G, Piosczyk B, Rzesnicki T, Samartsev A, Schlaich A, et al. Experimental investigations and analysis of parasitic RF oscillations in high-power gyrotrons. IEEE Transactions on Plasma Science [Internet]. 2010;38:1168-1177. Website

Latsas GP, Tigelis IG, Moraitou MD, Kern S, Vomvoridis JL, Ioannidis ZC. Parametric study on the effect of the dielectric and geometry properties on the parasitics in gyrotron beam tunnels. In: IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. ; 2010. Website

Manenkov AB, Gerolymatos PG, Tigelis IG. Scattering from an abruptly terminated planar metamaterial waveguide. Radiophysics and Quantum Electronics [Internet]. 2010;53:191-200. Website

Latsas GP, Tigelis IG, Vomvoridis JL, Avramides KA. Beam-Wave Interaction in Corrugated Structures in the Small-Signal Regime. IEEE Transactions on Plasma Science [Internet]. 2009;37:2020-2030. Website

Kern S, Schlaich A, Flamm J, Gantenbein G, Latsas G, Rzesnicki T, Samartsev A, Thumm M, Tigelis I. Investigations on parasitic oscillations in megawatt gyrotrons. In: 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. ; 2009. Website

Albajar F, Bonicelli T, Saibene G, Alberti S, Fasel D, Goodman T, Hogge J-P, Pagonakis I, Porte L, Tran MQ, et al. Review of the european programme for the development of the gyrotron for iter. In: Proceedings of the 15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, EC-15. ; 2009. pp. 415-421. Website

Mallios SA, Latsas GP, Tigelis IG. TE Waves in Arbitrary Periodic Slow-wave Structures with Rectangular Grooves. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2009;30:1113-1122. Website

Ioannidis ZC, Dumbrajs O, Tigelis IG. Linear and non-linear inserts for genuinely wideband continuous frequency tunable coaxial gyrotron cavities. International Journal of Infrared and Millimeter Waves [Internet]. 2008;29:416-423. Website

Ioannidis ZC, Latsas GP, Tigelis IG, Dumbrajs O. TM modes in coaxial cavities with inner surface corrugations. IEEE Transactions on Plasma Science [Internet]. 2008;36:2613-2617. Website

Gerolymatos PG, Manenkov AB, Tigelis IG, Amditis AJ. Erratum: Metal iris influence on guided-mode diffraction (Journal of the Optimal Society of America A (2006) vol. 23 (1333)). Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2007;24:1808. Website

Koukoutsaki PA, Dasyras NF, Tigelis IG, Manenkov AB, Amditis AJ. Influence of the refractive index core profile on modal scattering of terminated two-dimensional waveguides. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2007;24:1752-1760. Website

Gerolymatos PG, Ioannidis ZC, Tigelis IG, Tzanetis EN, Manenkov AB, Amditis AJ. Reflectivity properties of an anisotropic slab waveguide with isolated substrate. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2007;24:493-501. Website

Latsas GP, Tigelis IG, Vomvoridis JL. Dispersion characteristics of TE waves in beam-loaded corrugated waveguides with losses. In: IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. ; 2007. pp. 692-693. Website

Manenkov AB, Gerolymatos PG, Tigelis IG, Amditis AJ. Effects of metal irises on the guided-mode properties in asymmetrical slab waveguides. Optics Communications [Internet]. 2007;274:333-340. Website

Salis VG, Mallios SA, Tigelis IG, Theodorou AS. Optimized 90°polarization shift step twists for Ku, K and Ka bands. International Journal of Infrared and Millimeter Waves [Internet]. 2007;28:291-298. Website

Dumbrajs O, Ioannidis ZC, Tigelis IG. Wideband continuous frequency tunable coaxial gyrotron oscillators. In: IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. ; 2007. pp. 583-584. Website

Ioannidis ZC, Dumbrajs O, Tigelis IG. Eigenvalues and ohmic losses in coaxial gyrotron cavity. IEEE Transactions on Plasma Science [Internet]. 2006;34:1516-1522. Website

Gerolymatos PG, Manenkov AB, Tigelis IG, Amditis AJ. Metal iris influence on guided-mode diffraction. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2006;23:1333-1339. Website

Latsas GP, Anastasiou GP, Ioannidis ZC, Tigelis IG. Studies of the electromagnetic spectrum of corrugated waveguides. In: AIP Conference Proceedings. Vol. 807. ; 2006. pp. 257-263. Website

Manenkov AB, Tigelis IG. Numerical analysis of radiation modes of planar waveguides. Journal of Communications Technology and Electronics [Internet]. 2005;50:1232-1243. Website

Anastasiou GP, Latsas GP, Tigelis IG, Dehler M, Queffelec P, Dasyras NF. Calculation of the electromagnetic waves in nonperiodic corrugated waveguides with dielectric loading. IEEE Transactions on Plasma Science [Internet]. 2004;32:1310-1317. Website

Dasyras NF, Tigelis IG, Tsigopoulos AD, Manenkov AB. Calculation of radiation modes by the Lanczos-Fourier expansion. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2004;21:1740-1749. Website

Gerolymatos PG, Manenkov AB, Tigelis IG, Amditis AJ. Reflectivity of buried slab waveguides. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2004;21:2009-2018. Website

Latsas GP, Ioannidis ZC, Mallios SA, Maragos AA, Tigelis IG. Waveguide structures with surface corrugations. In: Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics. ; 2004. pp. 479-480. Website

Ioannidis Z, Mallios S, Paraskevopoulos ID, Tigelis IG. Axisymmetric waves in re-entrant cavities. Radiophysics and Quantum Electronics [Internet]. 2003;46:860-867. Website

Ioannidis Z, Allios S, Paraskevopoulos IP, Tigelis IG. Axisymmetric waves in re-entrant cavities. Izvestiya Vysshikh Uchebnykh Zavedenij. Radiofizika [Internet]. 2003;46:962-970. Website

Maragos AA, Ioannidis ZC, Tigelis IG. Dispersion characteristics of a rectangular waveguide grating. IEEE Transactions on Plasma Science [Internet]. 2003;31:1075-1082. Website

Koukoutsaki PA, Tigelis IG, Manenkov AB. Guided-mode analysis by the Lanczos-Fourier expansion. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2002;19:2293-2300. Website

Pagonis CE, Tigelis IG. Radiation properties of a semi-infinite slab waveguide for the case of odd transverse electric guided waves. Electromagnetics [Internet]. 2002;22:15-25. Website

Manenkov AB, Tigelis IG. Calculating the Reflection of Surface Modes from the End of a Planar Nonsymmetrical Waveguide by the Method of Accelerated Iterations. Journal of Communications Technology and Electronics [Internet]. 2001;46:1235-1246. Website

Manenkov AB, Tigelis IG. Calculating the reflection of surface modes from the end of a planar asymmetrical waveguide by the method of accelerated iterations. Radiotekhnika i Elektronika [Internet]. 2001;46:1337-1349. Website

Tigelis IG. Radiation Characteristics of a Semi-Infinite Fiber Waveguide for the Case of Transverse Magnetic Waves. Electromagnetics [Internet]. 2001;21:351-363. Website

Manenkov AB, Latsas GP, Tigelis IG. Scattering of the transverse magnetic modes from an abruptly ended strongly asymmetrical slab waveguide by an accelerated integral equation technique. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2001;18:3110-3118. Website

Tigelis IG, Manenkov AB. Analysis of mode scattering from an abruptly ended dielectric slab waveguide by an accelerated iteration technique. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2000;17:2249-2259. Website

Latsas G, Manenkov AB, Tigelis IG, Sarri E. Reflectivity properties of an abruptly ended asymmetrical slab waveguide for the case of transverse magnetic modes. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 2000;17:162-172. Website

Manenkov AB, Tigelis IG. Reflection of a surface mode from an abruptly terminated planar asymmetric waveguide. Radiophysics and Quantum Electronics [Internet]. 1999;42:73-82. Website

Tigelis IG, Manenkov AB. Scattering from an abruptly terminated asymmetrical slab waveguide. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 1999;16:523-532. Website

Tigelis IG. Abrupt transition coupling between two five-layered symmetric slab waveguides. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 1998;15:84-91. Website

Tigelis IG, Xanthakis JP, Vomvoridis JL. Localisation of electrons in wire-like porous silicon. Physica Status Solidi (A) Applied Research [Internet]. 1998;165:125-129. Website

Balourdos PS, Frantzeskakis DJ, Tsilis MC, Tigelis IG. Reflectivity of a nonlinear discontinuity in optical waveguides. Pure and Applied Optics (Print edition) (United Kingdom) [Internet]. 1998;7:1-11. Website

Vomvoridis JL, Tigelis LG. Small-signal analysis of the cyclotron resonance maser in a system with axial nonuniformities. IEEE Transactions on Plasma Science [Internet]. 1998;26:582-590. Website

Tigelis IG, Theodoropoulos TG, Papakonstantinou IA. Radiation properties of an abruptly terminated five-layer symmetric slab waveguide. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 1997;14:1260-1267. Website

Tigelis LG, Pedrozzi M, Cottis PG, Vomvoridis JL. Calculation of eigenmodes in a nonperiodic corrugated waveguide. IEEE Transactions on Microwave Theory and Techniques [Internet]. 1997;45:236-244. Website

Tigelis IG, Xanthakis JP. Geometry induced localization of electrons in quantum pillars. Active and Passive Electronic Components [Internet]. 1997;20:45-52. Website

Tigelis IG, AMITSIS E, THEODOROPOULOS T, REISIS D. Calculation of the power of the reflected radiation modes from an abruptly terminated single-mode-fiber waveguide. Electromagnetics [Internet]. 1995;15:513-526. Website

KAKLAMANI DI, Tigelis IG, UZUNOGLU NK. An l-band low profile spiral mobile antenna: Design and realization. Electromagnetics [Internet]. 1995;15:603-613. Website

Theodoropoulos TG, Tigelis IG. Radiation modes of a five-layer symmetric slab waveguide. International Journal of Infrared and Millimeter Waves [Internet]. 1995;16:1811-1824. Website

Tiunov AV, Shvedunov VI, Surma IV, Hizanidis K, Kalfas C, Trikalinos C, Tigelis J. Variants of optics schemes and accelerator configurations for the Athens microtron: preliminary considerations. In: Proceedings of the IEEE Particle Accelerator Conference. Vol. 5. ; 1995. pp. 3285-3287. Website

Vomvoridis JL, Hizanidis K, Tigelis IG, FRANTZESKAKIS DI. Electrostatic effects on the quality of gyrotron beams. In: Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2104. ; 1993. pp. 460-461. Website

Tigelis IG, Vomvoridis JL. Non-linear analysis of an adiabatic magnicon. International Journal of Electronics [Internet]. 1993;75:511-533. Website

Tigelis IG, KAKLAMANI DI, UZUNOGLU NK. Radiation of a planar spiral antenna above a double-dielectric loaded ground plane. In: AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society). Vol. 1. ; 1993. pp. 152-155. Website

CAPSALIS CN, CHRONOPOULOS CP, Tigelis JG, UZUNOGLU NK. Analysis of Multi-Pin Modular Daughterboard-to-Backplane Connectors at High Bit Rate Signals. Active and Passive Electronic Components [Internet]. 1992;15:1-8. Website

Tigelis IG, Vomvoridis JL. Nonlinear analysis of an adiabatic magnicon. In: Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1929. ; 1992. pp. 66-67. Website

Tigelis IG, UZUNOGLU NK, CAPSALIS CN. Diffraction from an abruptly terminated single mode fiber waveguide. Journal of Electromagnetic Waves and Applications [Internet]. 1991;5:1393-1418. Website

CAPSALIS CN, UZUNOGLU NK, Tigelis IG, CHRONOPOULOS CP. Modelling of high-speed integrated circuit packages. International Journal of Electronics [Internet]. 1990;69:777-784. Website

CAPSALIS CN, Tigelis I, KONSTANTINIDIS N. Theoretical analysis of a coated single-mode fiber termination. International Journal of Infrared and Millimeter Waves [Internet]. 1990;11:1073-1097. Website

CAPSALIS CN, UZUNOGLU NK, Tigelis IG. Coupling between two abruptly terminated single-mode optical fibers. Journal of the Optical Society of America B: Optical Physics [Internet]. 1988;5:1624-1630. Website

Tigelis I, CAPSALIS CN, UZUNOGLU NK. Computation of the dielectric rod waveguide radiation modes. International Journal of Infrared and Millimeter Waves [Internet]. 1987;8:1053-1068. Website

UZUNOGLU NK, CAPSALIS CN, Tigelis I. Scattering from an abruptly terminated single-mode-fiber waveguide. Journal of the Optical Society of America A: Optics and Image Science, and Vision [Internet]. 1987;4:2150-2157. Website