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Al-Bassam, A., Otto, S., Heberling, D., & Caloz, C. (2017). Broadside Dual-channel Orthogonal-Polarization Radiation using a Double-Asymmetric Periodic Leaky-Wave Antenna. IEEE Transactions on Antennas and Propagation, 65(6), 2855-2864. External link
Al-Bassam, A., Otto, S., & Caloz, C. (2015, May). Role of symmetries in periodic leaky-wave antennas, with emphasis on the double-asymmetry case [Paper]. 9th European Conference on Antennas and Propagation (EuCAP 2015), Lisbon, Portugal (2 pages). External link
Dyab, W., Caloz, C., & Otto, S. (2015, November). Interpretation of complex frequencies in propagation problems [Paper]. International Symposium on Antennas and Propagation (ISAP 2015), Hobart, TAS, Australia (4 pages). Unavailable
Otto, S., Chen, Z., Al-Bassam, A., Rennings, A., Solbach, K., & Caloz, C. (2014). Circular polarization of periodic leaky-wave antennas with axial asymmetry: Theoretical proof and experimental demonstration. IEEE Transactions on Antennas and Propagation, 62(4), 1817-1829. External link
Otto, S., Al-Bassam, A., Rennings, A., Solbach, K., & Caloz, C. (2014). Transversal asymmetry in periodic leaky-wave antennas for bloch impedance and radiation efficiency equalization through broadside. IEEE Transactions on Antennas and Propagation, 62(10), 5037-5054. External link
Otto, S., & Caloz, C. (2013, July). Importance of transversal and longitudinal symmetry/asymmetry in the fundamental properties of periodic leaky-wave antennas [Paper]. IEEE Antennas and Propagation Society International Symposium (APSURSI 2013), Orlando, FL. External link
Otto, S., Rennings, A., Solbach, K., & Caloz, C. (2012, June). Complex frequency versus complex propagation constant modeling and Q-balancing in periodic structures [Paper]. IEEE MTT-S International Microwave Symposium (IMS 2012), Montréal, Québec. External link
Otto, S., Al-Bassam, A., Chen, Z., Rennings, A., Solbach, K., & Caloz, C. (2012, March). Q-balancing in periodic leaky-wave antennas to mitigate broadside radiation issues [Paper]. 7th German Microwave Conference (GeMiC 2012), Germany. Unavailable
Otto, S., Al-Bassam, A., Rennings, A., Solbach, K., & Caloz, C. (2012). Radiation Efficiency of Longitudinally Symmetric and Asymmetric Periodic Leaky-Wave Antennas. IEEE Antennas and Wireless Propagation Letters, 11, 612-615. External link
Otto, S., Solbach, K., & Caloz, C. (2012, March). Recent advances in the modeling of periodic leaky-wave antennas scanning through broadside [Paper]. 6th European Conference on Antennas and Propagation (EuCAP 2012), Prague. External link
Otto, S., Rennings, A., Solbach, K., & Caloz, C. (2011). Transmission line modeling and asymptotic formulas for periodic leaky-wave antennas scanning through broadside. IEEE Transactions on Antennas and Propagation, 59(10), 3695-3709. External link
Otto, S., Rennings, A., Caloz, C., Waldow, P., & Itoh, T. (2005, July). Composite right/left-handed lambda-resonator ring antenna for dual-frequency operation [Paper]. IEEE AP-S International Symposium and USNC/URSI Meeting, Washington, DC, USA. External link
