{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,19]],"date-time":"2025-12-19T09:37:39Z","timestamp":1766137059862,"version":"build-2065373602"},"reference-count":18,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2018,7,22]],"date-time":"2018-07-22T00:00:00Z","timestamp":1532217600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["CRC 123 Planar Optronic Systems"],"award-info":[{"award-number":["CRC 123 Planar Optronic Systems"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Whispering gallery mode (WGM) resonators are versatile high sensitivity sensors, but applications regularly suffer from elaborate and expensive manufacturing and read-out. We have realized a simple and inexpensive concept for an all-polymer WGM sensor. Here, we evaluate its performance for relative humidity measurements demonstrating a sensitivity of 47 pm\/% RH. Our results show the sensor concepts\u2019 promising potential for use in real-life applications and environments.<\/jats:p>","DOI":"10.3390\/s18072383","type":"journal-article","created":{"date-parts":[[2018,7,24]],"date-time":"2018-07-24T02:58:56Z","timestamp":1532401136000},"page":"2383","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Polymer Based Whispering Gallery Mode Humidity Sensor"],"prefix":"10.3390","volume":"18","author":[{"given":"Ann Britt","family":"Petermann","sequence":"first","affiliation":[{"name":"Hannover Centre for Optical Technologies (HOT), Leibniz Universit\u00e4t Hannover, Nienburger Strasse 17, D-30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Hildebrandt","sequence":"additional","affiliation":[{"name":"Hannover Centre for Optical Technologies (HOT), Leibniz Universit\u00e4t Hannover, Nienburger Strasse 17, D-30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Uwe","family":"Morgner","sequence":"additional","affiliation":[{"name":"Institute of Quantum Optics, Leibniz Universit\u00e4t Hannover, Welfengarten 1, D-30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9389-7125","authenticated-orcid":false,"given":"Bernhard Wilhelm","family":"Roth","sequence":"additional","affiliation":[{"name":"Hannover Centre for Optical Technologies (HOT), Leibniz Universit\u00e4t Hannover, Nienburger Strasse 17, D-30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7024-2484","authenticated-orcid":false,"given":"Merve","family":"Meinhardt-Wollweber","sequence":"additional","affiliation":[{"name":"Hannover Centre for Optical Technologies (HOT), Leibniz Universit\u00e4t Hannover, Nienburger Strasse 17, D-30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,7,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"241101","DOI":"10.1063\/1.4811265","article-title":"Hybrid microcavity humidity sensor","volume":"102","author":"Mehrabani","year":"2013","journal-title":"Appl. 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