{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T05:06:14Z","timestamp":1770613574111,"version":"3.49.0"},"reference-count":39,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T00:00:00Z","timestamp":1670803200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["61871003"],"award-info":[{"award-number":["61871003"]}]},{"name":"National Natural Science Foundation of China","award":["62101005"],"award-info":[{"award-number":["62101005"]}]},{"name":"National Natural Science Foundation of China","award":["2108085QF256"],"award-info":[{"award-number":["2108085QF256"]}]},{"name":"National Natural Science Foundation of China","award":["KJ2021A0101"],"award-info":[{"award-number":["KJ2021A0101"]}]},{"name":"National Natural Science Foundation of China","award":["KJ2021A1203"],"award-info":[{"award-number":["KJ2021A1203"]}]},{"name":"National Natural Science Foundation of China","award":["KJ2021A0097"],"award-info":[{"award-number":["KJ2021A0097"]}]},{"name":"Natural Science Foundation of Anhui province","award":["61871003"],"award-info":[{"award-number":["61871003"]}]},{"name":"Natural Science Foundation of Anhui province","award":["62101005"],"award-info":[{"award-number":["62101005"]}]},{"name":"Natural Science Foundation of Anhui province","award":["2108085QF256"],"award-info":[{"award-number":["2108085QF256"]}]},{"name":"Natural Science Foundation of Anhui province","award":["KJ2021A0101"],"award-info":[{"award-number":["KJ2021A0101"]}]},{"name":"Natural Science Foundation of Anhui province","award":["KJ2021A1203"],"award-info":[{"award-number":["KJ2021A1203"]}]},{"name":"Natural Science Foundation of Anhui province","award":["KJ2021A0097"],"award-info":[{"award-number":["KJ2021A0097"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["61871003"],"award-info":[{"award-number":["61871003"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["62101005"],"award-info":[{"award-number":["62101005"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["2108085QF256"],"award-info":[{"award-number":["2108085QF256"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["KJ2021A0101"],"award-info":[{"award-number":["KJ2021A0101"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["KJ2021A1203"],"award-info":[{"award-number":["KJ2021A1203"]}]},{"name":"Natural Science Research Project for Universities in Anhui Province","award":["KJ2021A0097"],"award-info":[{"award-number":["KJ2021A0097"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Herein a dual-band wide-angle reflective circular polarization converter, based on a metasurface was developed. The unit cell is composed of a split square ring and a nested square patch. The split square ring plays the role of creating polarization conversion. The square patch is useful for improving the quality of axial ratio. It was verified that the structure could transform the x-polarized incident wave into left-hand circular polarization in the lower frequency band, and to right-hand circular polarization in the higher frequency band. For y-polarized incidence, the transformation has orthogonal modes to that for x-polarized incidence. Moreover, the 3 dB axial ratio takes place in the ranges of 8.42\u201312.32 GHz and 18.74\u201329.73 GHz, corresponding to a relative bandwidth of 37.61%, and 45.35%, respectively. In addition, the polarization conversion efficiency is greater than 99% in the ranges of 8.65\u201311.83 GHz and 19.55\u201329.36 GHz. Furthermore, for oblique incidence, the axial ratio remains stable, even at 50\u00b0 incidence, for the lower frequency band. Lastly, a prototype is fabricated and measured for experimental verification. The measured and simulated results were in good agreement. Compared with other designs in the literature, the proposed converter operates with good performance in dual-band, with high-efficiency, and with angular stability.<\/jats:p>","DOI":"10.3390\/s22249728","type":"journal-article","created":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T05:42:00Z","timestamp":1670823720000},"page":"9728","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Dual-Band Wide-Angle Reflective Circular Polarization Converter with Orthogonal Polarization Modes"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2256-6406","authenticated-orcid":false,"given":"Bianmei","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China"},{"name":"School of Electrical and Electronic Engineering, Anhui Institute of Information Technology, Wuhu 241002, China"}]},{"given":"Chenghui","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China"}]},{"given":"Ran","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China"}]},{"given":"Xiaofan","family":"Yang","sequence":"additional","affiliation":[{"name":"The State Key Laboratory of Complex Electromagnetic Environment Effects on Electronic and Information System, Luoyang 471004, China"}]},{"given":"Ye","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8353-570X","authenticated-orcid":false,"given":"Xiaoming","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China"},{"name":"Wuhu Ceprei Information Industry Technology Research Institute, Wuhu 241002, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1126\/science.1210713","article-title":"Light Propagation with Phase Discontinuities: Generalized Laws of Reflection and Refraction","volume":"334","author":"Yu","year":"2011","journal-title":"Science"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"014014","DOI":"10.1103\/PhysRevApplied.10.014014","article-title":"Metasurface for Reciprocal Spin-Orbit Coupling of Light on Waveguiding Structures","volume":"10","author":"Jiang","year":"2018","journal-title":"Phys. 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