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While such a debate is still a matter of controversy, we exploit OAM generation for microwave imaging within the classical first order linearized models, i.e., Born and Rytov approximation. Physical insights into different fields carrying \u2113-order OAM are conveniently exploited to propose possible alternative imaging approaches and paradigms in microwave imaging.<\/jats:p>","DOI":"10.3390\/s20071905","type":"journal-article","created":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T03:44:13Z","timestamp":1585712653000},"page":"1905","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["On the Orbital Angular Momentum Incident Fields in Linearized Microwave Imaging"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0130-4623","authenticated-orcid":false,"given":"Santi Concetto","family":"Pavone","sequence":"first","affiliation":[{"name":"Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, viale A. Doria 6, 95125 Catania, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5081-3486","authenticated-orcid":false,"given":"Gino","family":"Sorbello","sequence":"additional","affiliation":[{"name":"Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, viale A. Doria 6, 95125 Catania, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2504-0223","authenticated-orcid":false,"given":"Loreto","family":"Di Donato","sequence":"additional","affiliation":[{"name":"Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, viale A. Doria 6, 95125 Catania, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2020,3,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Pastorino, M. (2010). Microwave Imaging, John Wiley & Sons.","DOI":"10.1002\/9780470602492"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Daniels, D.J. (2005). Ground penetrating radar. 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