Yongduk Oh Oh, Y., Kordsmeier, N., Askari, H., & Adams, J. J. (2023). Low Profile GRIN Lenses With Integrated Matching Using 3-D Printed Ceramic. IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION, 4, 12–22. https://doi.org/10.1109/OJAP.2022.3227747 Yang, B., Oh, Y., Hu, X., & Adams, J. J. (2021). Implementation of A Flat-Bottom Luneburg Lens Based on Conformal Transformation Optics. 2021 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS), pp. 556–558. https://doi.org/10.1109/IMS19712.2021.9574844 Burden, E., Oh, Y., Mummareddy, B., Negro, D., Cortes, P., Du Plessis, A., … Rojas, R. (2021). Unit cell estimation of volumetrically-varying permittivity in additively-manufactured ceramic lattices with X-ray computed tomography. MATERIALS & DESIGN, 210. https://doi.org/10.1016/j.matdes.2021.110032 Bharambe, V. T., Oh, Y., Adams, J. J., Negro, D., & MacDonald, E. (2020). 3D Printed Zirconia for UWB Stacked Conical Ring DRA. 2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING, pp. 41–42. https://doi.org/10.1109/IEEECONF35879.2020.9330248 Oh, Y., Bharambe, V. T., Adams, J. J., Negro, D., & MacDonald, E. (2020). Design of a 3D Printed Gradient Index Lens Using High Permittivity Ceramic. 2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING, pp. 1431–1432. https://doi.org/10.1109/IEEECONF35879.2020.9330193