{"id":2515,"date":"2026-09-09T12:00:00","date_gmt":"2026-09-09T03:00:00","guid":{"rendered":"https:\/\/www.miyamoto-lab.com\/?p=2515"},"modified":"2026-11-10T15:22:32","modified_gmt":"2026-11-10T06:22:32","slug":"compact-vivaldi-antenna-2026","status":"publish","type":"post","link":"https:\/\/www.miyamoto-lab.com\/en\/2026\/09\/09\/compact-vivaldi-antenna-2026\/","title":{"rendered":"Compact antenna study led by Yuta Sugihara published in Microwave"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A compact Vivaldi antenna study by Yuta Sugihara, Hideaki Miyamoto and Makito Kobayashi was accepted on 27 August 2026 and published in <em>Microwave<\/em> on 9 September 2026.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The design introduces wide, tilted rectangular slots into a compact antenna on a high-permittivity substrate. Electromagnetic simulations show improved realized gain at lower frequencies without increasing the antenna\u2019s size.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The paper also discloses a University of Tokyo patent application relating to the slot structure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Enhanced Realized Gain of a Compact Coplanar Vivaldi Antenna on a High-Permittivity Substrate Using Wide Tilted Rectangular Slots<\/strong><br>Yuta Sugihara, Hideaki Miyamoto, Makito Kobayashi<br><em>Microwave<\/em> 2(3), 14 (2026).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/doi.org\/10.3390\/microwave2030014\">Read the paper \u2197<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A compact Vivaldi antenna study by Yuta Sugihara, Hideaki Miyamoto and Makito Kobayashi was accepted on 27 August 2026 and published in Microwave on 9 September 2026. The design introduces wide, tilted rectangular slots into a compact antenna on a high-permittivity substrate. Electromagnetic simulations show improved realized gain at lower frequencies without increasing the antenna\u2019s [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"https:\/\/www.miyamoto-lab.com\/?p=2470","footnotes":""},"categories":[4],"tags":[],"class_list":["post-2515","post","type-post","status-publish","format-standard","hentry","category-lab-news","en-US"],"_links":{"self":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/2515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/comments?post=2515"}],"version-history":[{"count":1,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/2515\/revisions"}],"predecessor-version":[{"id":2518,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/2515\/revisions\/2518"}],"wp:attachment":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/media?parent=2515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/categories?post=2515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/tags?post=2515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}