{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T16:54:15Z","timestamp":1778345655508,"version":"3.51.4"},"reference-count":32,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2019,1,1]],"date-time":"2019-01-01T00:00:00Z","timestamp":1546300800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Access"],"published-print":{"date-parts":[[2019]]},"DOI":"10.1109\/access.2019.2926233","type":"journal-article","created":{"date-parts":[[2019,7,7]],"date-time":"2019-07-07T16:45:03Z","timestamp":1562517903000},"page":"88822-88829","source":"Crossref","is-referenced-by-count":31,"title":["Design and Fabrication of Wideband Millimeter-Wave Directional Couplers With Different Coupling Factors Based on Gap Waveguide Technology"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0703-6909","authenticated-orcid":false,"given":"Davoud","family":"Zarifi","sequence":"first","affiliation":[]},{"given":"Ali","family":"Farahbakhsh","sequence":"additional","affiliation":[]},{"given":"Ashraf Uz","family":"Zaman","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref32","year":"0"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/JRPROC.1952.274063"},{"key":"ref30","first-page":"89","article-title":"Compact multi-hole waveguide directional couplers","author":"shelton","year":"1961","journal-title":"Microw J"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1002\/mmce.20599","article-title":"Accurate and efficient design technique for wideband substrate integrated waveguide directional couplers","volume":"22","author":"han","year":"2012","journal-title":"Int J RF Microw Comput -Aided Eng"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2014.2376560"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.1968.1126855"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/22.52582"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/22.664134"},{"key":"ref15","article-title":"New quasi-TEM waveguides using artificial surfaces and their application to antennas and circuits","author":"al\u00f3s","year":"2011"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-4560-44-3_130"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2017.2722866"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2016.2620522"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2018.2835639"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/75.852425"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/APMC.2013.6695119"},{"key":"ref3","article-title":"Directional Coupler","author":"schwinger","year":"1956"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2009.2022886"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2013.2281407"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2018.2839653"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/RADIOELEK.2018.8376392"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2018.2847696"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2008.921672"},{"key":"ref2","first-page":"327","author":"pozar","year":"2005","journal-title":"Microwave Engineering"},{"key":"ref1","first-page":"163","article-title":"Theory of diffraction by small holes","volume":"66","author":"bethe","year":"1944","journal-title":"Phys Rev Lett"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2007.908040"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2015.2457916"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2016.2574822"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TCPMT.2016.2620424"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1002\/mop.30588"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2017.2690298"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1002\/2017RS006244"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2016.2607177"}],"container-title":["IEEE Access"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6287639\/8600701\/08753571.pdf?arnumber=8753571","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,1,26]],"date-time":"2022-01-26T00:06:12Z","timestamp":1643155572000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8753571\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019]]},"references-count":32,"URL":"https:\/\/doi.org\/10.1109\/access.2019.2926233","relation":{},"ISSN":["2169-3536"],"issn-type":[{"value":"2169-3536","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019]]}}}