I. International Journals
25. A. M. Alnour and A. A. Omar, "Ultra-Thin Independently Controllable Multi-Band Reflective Polarization Rotator," IEEE Antennas and Wireless Propagation Letters, Jun. 2025, doi: 10.1109/LAWP.2025.3577558.
24. A. A. Omar, "Reflective and transmissive linear polarization rotators: A review," IEEE Open Journal Antennas Propag., vol. 6, no. 2, pp. - , April 2025.
23. A. H. Khadrawy and A. A. Omar, "Transparent low-profile and wideband ITO-glass microwave absorber," IEEE Open Journal Antennas Propag., vol. 6, no. 1, pp. 2637 - 6431, Feb 2025.
22. Y. Youn, A. A. Omar, D. Kim, S. Chang, and W. Hong, "Low-profile wideband D-band absorber utilizing resistive thin film screen-printing," IEEE Trans. Compon. Packag. Manuf. Technol., vol. 13, no. 4, pp. 580 - 582, April 2023.
21. J. Park*, A. A. Omar*, J. Kim, J. Choi, B. Seong, J. Lee, and W. Hong, “Enabling spherical beam coverage for millimeter-wave stationary and mobile applications: A stackable patch antenna,” IEEE Antennas Propag. Mag., vol. 65, no. 3, pp. 33 - 45, Jun. 2023. (*equally contributed).
20. Y. Youn; J. Choi; D. Kim; A. A. Omar et al., "Dome-shaped mmWave lens antenna optimization for wide-angle scanning and scan loss mitigation using geometric optics and multiple scattering," IEEE J. Multiscale Multiphys. Comput. Techn., vol. 7, pp. 142-150, 2022.
19. A. A. Omar, J. Choi, J. Kim, J. Park, B. Seong, J. Lee, and W. Hong, “A planar, polarization-switchable endfire and ±broadside millimeter-wave antenna array without lumped components,” IEEE Trans. Antennas Propag., vol. 70, no. 5, pp. 3864–3869, May. 2022.
18. A. A. Omar, J. Park, W. Kwon, and W. Hong, “A compact wideband vertically-polarized end-fire millimeter-wave antenna utilizing slot, dielectric, and cavity resonators,” IEEE Trans. Antennas Propag., vol. 69, no. 9, pp. 5234–5243, Sep. 2021.
17. A. A. Omar, A. Mahmoud, J. Choi, and W. Hong, "Wideband transmissive polarization rotator with in-band notches enabling multiband operation," IEEE Access, vol. 9, pp. 44751–44756, Mar. 2021.
16. A. A. Omar, W. Hong, A. Al-Awamry, and A. Mahmoud, "A single-layer via-less wideband reflective polarization rotator utilizing perforated holes," IEEE Antennas Wireless Propag. Lett., vol. 19, no. 12, pp. 2053–2056, Dec. 2020.
15. J. Kim, J. Park, A. A. Omar, and W. Hong, "A symmetrically-stacked planar antenna concept exhibiting quasi-isotropic radiation coverage," IEEE Antennas Wireless Propag. Lett., vol. 19, no. 8, pp. 1390–1394, Aug. 2020.
14. A. A. Omar, J. Kim, and W. Hong, "A 3-D lumped-components-free absorptive frequency-selective transmission structure featuring very wide two-sided absorption bandwidths," IEEE Antennas Wireless Propag. Lett., vol. 19, no. 5, pp. 761–765, May 2020.
13. A. A. Omar, Y. Youn, and W. Hong, "A Low-profile wideband shared-aperture dual-polarized antenna utilizing dual-function slot," IEEE Open Journal Antennas Propag., vol. 1, pp. 95–103, Mar. 2020.
12. H. Huang, A. A. Omar, and Z. Shen, “Low-RCS and beam-steerable dipole array using absorptive frequency-selective reflection structures,” IEEE Trans. Antennas Propag., vol. 68, no. 3, pp. 2457–2462, Mar. 2020.
11. A. A. Omar, H. Huang, and Z. Shen, “Absorptive frequency-selective reflection/transmission structures: a review and future perspective,” IEEE Antennas Propag. Mag., vol. 62, no. 4, pp. 62–74, Aug. 2020.
10. A. A. Omar and Z. Shen, “Thin bandpass 3-D frequency-selective structure based on folded substrate for conformal radome application,” IEEE Trans. Antennas Propag., vol. 67, no. 1, pp. 282–290, Jan. 2019.
9. A. A. Omar and Z. Shen, “A compact and wide-band vertically polarized monopole antenna,” IEEE Trans. Antennas Propag., vol. 67, no. 1, pp. 626–631, Jan. 2019.
8. Y. Yu, G. Luo, A. A. Omar, X. Liu, and Z. Shen, “3D Absorptive frequency-selective reflection and transmission structures with dual absorption bands,” IEEE Access, vol. 6, pp. 72880–72888, Dec. 2018.
7. A. A. Omar, Z. Shen, and S. Y. Ho “Multi-band and wideband 90° polarization rotators,” IEEE Antennas Wireless Propag. Lett., vol. 17, no. 10, pp. 1822–1826, 2018.
6. H. Huang, Z. Shen, and A. A. Omar, “3-D absorptive frequency selective reflector for antenna radar cross section reduction,” IEEE Trans. Antennas Propag., vol. 65, no. 11, pp. 5908–5917, Nov. 2017.
5. A. A. Omar, Z. Shen, and H. Huang, “Absorptive frequency-selective reflection and transmission structures,” IEEE Trans. Antennas Propag., vol. 65, no. 11, pp. 6173–6178, Nov. 2017.
4. A. A. Omar and Z. Shen, “Double-sided parallel-strip line resonator for dual-polarized 3-D frequency-selective structure and absorber,” IEEE Trans. Microw. Theory Techn., vol. 65, no. 10, pp. 3744–3752, Oct. 2017.
3. A. A. Omar and Z. Shen, “Thin bandstop frequency-selective structures based on loop resonator,” IEEE Trans. Microw. Theory Techn., vol. 65, no. 7, pp. 2298–2309, July. 2017.
2. S. I. El-Henawy, A. A. Omar, A. M. E. Safwat, and H. S. El-Hennawy, “Multi-band CRLH unit cell-loaded patch antenna,” Applied Physics A, vol. 123, no. 1, article 79, Jan. 2017.
1. A. A. Omar and Z. Shen, “Multiband high-order bandstop 3-D frequency-selective structures,” IEEE Trans. Antennas Propag., vol. 64, no. 6, pp. 2217–2226, Jun. 2016.
II. International Conferences
18. Y. Youn, C. Lee, D. Kim, D. An, A. A. Omar, and W. Hong, “Optically-transparent FSS for outdoor-to-indoor transmission improvement featuring electromagnetic-thermal co-analysis,” 2024 IEEE/MTT-S International Microwave Symposium - IMS 2024, Washington, DC, USA, 2024, pp. 674-677.
17. A. A. Omar, “Polarization rotator surfaces: A review,” IEEE AP-S Antennas and Propag. Symp., Portland, Oregon, USA, Jul. 23-28, 2023.
16. A. A. Omar and W. Hong, “Dual-function dielectric layer enabling compact wideband end-fire millimeter-wave antenna,” IEEE AP-S Antennas and Propag. Symp., Singapore, Dec. 04-10, 2021.
15. A. A. Omar, J. Park, B. Seong, J. Lee, and W. Hong, “Dual-polarized end-fire and ±broadside millimeter-wave antenna array,” IEEE AP-S Antennas and Propag. Symp., Singapore, Dec. 04-10, 2021.
14. J. Park, A. A. Omar, et al., “A symmetrically stacked phased array exhibiting enhanced spherical coverage CDF for mmwave cellular handsets with metallic frame,” IEEE AP-S Antennas and Propag. Symp., Singapore, Dec. 04-10, 2021.
13. J. Park, B. Kim, J. Kim, J. Choi, A. A. Omar, and W. Hong, "Heterogeneous phased array architecture consisting of AoD and AiP to enhance spherical beamforming coverage for 5G/6G cellular handsets," 15th European Conference on Antennas and Propagation (EuCAP), Dusseldorf, Germany, Mar. 22-26, 2021, pp. 1-4.
12. Y. Youn, J. Choi, D. Kim, A. A. Omar, et al., "PSO-aided ILA methodology for hemispherical beam coverage and scan loss mitigation," International Symp. On Antennas and Propag. (ISAP), Osaka, Japan, Jan. 25-28, 2021, pp. 153-154.
11. A. A. Omar, Z. Shen, and W. Hong, “On the design of multiband antenna employing AFSR structure as ground plane for low out-of-band RCS,” 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, Mar. 15-20, 2020.
10. A. A. Omar and Z. Shen, “Compact and wideband dipole antennas,” Topical Conference on Antennas and Propagation in Wireless Communications (APWC), Granada, Spain, Sep. 09-13, 2019.
9. A. A. Omar, H. Huang, and Z. Shen, “Multi-band absorptive frequency-selective reflection structures,” Joint International Symposium on Electromagnetic Compatibility and Asia-Pacific International Symposium on Electromagnetic Compatibility (EMC Sapporo & APEMC), Sapporo, Hokkaido, Japan, Jun. 03-07, 2019.
8. H. Huang, A. A. Omar, and Z. Shen, “Absorptive frequency-selective reflectors,” IEEE International Conference on Computational Electromagnetics (ICCEM), Shanghai, China, Mar. 20-22, 2019.
7. A. A. Omar, H. S. Yu, and Z. Shen, “An ultra-wideband and high-efficiency 90° polarization rotator based on double split-ring resonators,” International Conference on Electromagnetics in Advanced Applications (ICEAA), Cartagena, Colombia, Sep. 10-14, 2018.
6. A. A. Omar and Z. Shen, “Tunable absorptive frequency-selective transmission structure,” IEEE AP-S Antennas and Propag. Symp., Boston, MA, USA, Jul. 08-13, 2018.
5. A. A. Omar and Z. Shen, “Ultra-wideband harmonic-suppressed bandpass/stop frequency-selective surface based on L-C lumped elements,” 12th European Conference on Antennas and Propagation (EuCAP), London, UK, Apr. 09-13, 2018.
4. A. A. Omar and Z. Shen, “An ultra-wideband absorber based on multiple resonators in 3-D frequency-selective structure,” International Conference on Electromagnetics in Advanced Applications (ICEAA), Verona, Italy, Sep. 11-15, 2017, pp. 1802–1804.
3. A. A. Omar and Z. Shen, “Dual-polarized absorber based on 3-D frequency-selective structure,” IEEE AP-S Antennas and Propag. Symp., Fajardo, Puerto Rico, USA, Jun. 26- Jul. 01, 2016, pp. 675–676.
2. A. A. Omar and Z. Shen, “A loop resonator for 3-D frequency selective structure,” International Symp. On Antennas and Propag. (ISAP), Hobart, Tasmania, Australia, Nov. 09-12, 2015.
1. A. A. Omar and Z. Shen, “Multi-band second-order bandstop frequency selective structure with controllable band ratios,” IEEE AP-S Antennas and Propag. Symp., Vancouver, British Columbia, Canada, Jul. 19-24, 2015.