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Phys. D: Appl. Phys."],"published-print":{"date-parts":[[2018,3,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Intense well polarized second harmonic light was generated by poly(methyl methacrylate) nanofibres with embedded\n                    <jats:italic>para<\/jats:italic>\n                    -nitroaniline nanocrystals. Subwavelength diameter fibres were electro-spun using a 1:2 weight ratio of chromophore to polymer. Analysis of the generated second harmonic light indicates that the\n                    <jats:italic>para<\/jats:italic>\n                    -nitroaniline molecules, which nominally crystalize in the centrosymmetric space group, were organized into noncentrosymmetric structures leading to a second order susceptibility dominated by a single tensor element. Under the best deposition conditions, the nanofibrers display an effective nonlinear optical susceptibility approximately two orders of magnitude greater than that of potassium dihydrogen phosphate. Generalizing this approach to a broad range of organic molecules with strong individual molecular second order nonlinear responses, but which nominally form centrosymmetric organic crystals, could open a new pathway for the fabrication of efficient sub-micron sized second harmonic light generators.\n                  <\/jats:p>","DOI":"10.1088\/1361-6463\/aaa9da","type":"journal-article","created":{"date-parts":[[2018,1,23]],"date-time":"2018-01-23T06:15:15Z","timestamp":1516688115000},"page":"105106","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":24,"title":["Efficient second harmonic generation by\n                    <i>para<\/i>\n                    -nitroaniline embedded in electro-spun polymeric nanofibres"],"prefix":"10.1088","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1357-1764","authenticated-orcid":false,"given":"Hugo","family":"Gon\u00e7alves","sequence":"first","affiliation":[]},{"given":"In\u00eas","family":"Saavedra","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1085-7836","authenticated-orcid":false,"given":"Rute AS","family":"Ferreira","sequence":"additional","affiliation":[]},{"given":"PE","family":"Lopes","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0862-1683","authenticated-orcid":false,"given":"Etelvina","family":"de Matos Gomes","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7968-5038","authenticated-orcid":false,"given":"Michael","family":"Belsley","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2018,2,16]]},"reference":[{"key":"daaa9dabib001","doi-asserted-by":"publisher","first-page":"30532","DOI":"10.1364\/OE.21.030532","type":"journal-article","article-title":"Nonlinear optics in daily life","volume":"21","author":"Garmire","year":"2013","journal-title":"Opt. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2017-12-02","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-01-23","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-02-16","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}