{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:04:30Z","timestamp":1760238270698,"version":"build-2065373602"},"reference-count":26,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2020,7,22]],"date-time":"2020-07-22T00:00:00Z","timestamp":1595376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Europ\u00e4ischer Fonds f\u00fcr regionale Entwicklung (EFRE)","award":["EFRE-SER 2014-2020, 85003655 and 85003502"],"award-info":[{"award-number":["EFRE-SER 2014-2020, 85003655 and 85003502"]}]},{"name":"Deutsche Forschungsgemeinschaft (DFG)","award":["EXC 2122, Project ID 390833453"],"award-info":[{"award-number":["EXC 2122, Project ID 390833453"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Lab-on-a-Chip (LoC) devices combining microfluidic analyte provision with integrated optical analysis are highly desirable for several applications in biological or medical sciences. While the microfluidic approach is already broadly addressed, some work needs to be done regarding the integrated optics, especially provision of highly integrable laser sources. Polymer optical fiber (POF) lasers represent an alignment-free, rugged, and flexible technology platform. Additionally, POFs are intrinsically compatible to polymer microfluidic devices. Home-made Rhodamine B (RB)-doped POFs were characterized with experimental and numerical parameter studies on their lasing potential. High output energies of 1.65 mJ, high slope efficiencies of     56 %    , and     50 %    -lifetimes of \u2265900 k shots were extracted from RB:POFs. Furthermore, RB:POFs show broad spectral tunability over several tens of nanometers. A route to optimize polymer fiber lasers is revealed, providing functionality for a broad range of LoC devices. Spectral tunability, high efficiencies, and output energies enable a broad field of LoC applications.<\/jats:p>","DOI":"10.3390\/s20154086","type":"journal-article","created":{"date-parts":[[2020,7,23]],"date-time":"2020-07-23T11:26:01Z","timestamp":1595503561000},"page":"4086","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Towards Highly Efficient Polymer Fiber Laser Sources for Integrated Photonic Sensors"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1387-0577","authenticated-orcid":false,"given":"Simon","family":"Spelthann","sequence":"first","affiliation":[{"name":"Institute of Quantum Optics, Leibniz University Hannover, 30167 Hannover, Germany"},{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefanie","family":"Unland","sequence":"additional","affiliation":[{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonas","family":"Thiem","sequence":"additional","affiliation":[{"name":"Institute of Quantum Optics, Leibniz University Hannover, 30167 Hannover, Germany"},{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Florian","family":"Jakobs","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jana","family":"Kielhorn","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pen Yiao","family":"Ang","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans-Hermann","family":"Johannes","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany"},{"name":"Academic Alliance Braunschweig - Hannover QUANOMET, 30167 Hannover, Germany"},{"name":"Cluster of Excellence PhoenixD, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dietmar","family":"Kracht","sequence":"additional","affiliation":[{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"},{"name":"Cluster of Excellence PhoenixD, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joerg","family":"Neumann","sequence":"additional","affiliation":[{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"},{"name":"Cluster of Excellence PhoenixD, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Axel","family":"Ruehl","sequence":"additional","affiliation":[{"name":"Institute of Quantum Optics, Leibniz University Hannover, 30167 Hannover, Germany"},{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"},{"name":"Academic Alliance Braunschweig - Hannover QUANOMET, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wolfgang","family":"Kowalsky","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig, Germany"},{"name":"Academic Alliance Braunschweig - Hannover QUANOMET, 30167 Hannover, Germany"},{"name":"Cluster of Excellence PhoenixD, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Detlev","family":"Ristau","sequence":"additional","affiliation":[{"name":"Institute of Quantum Optics, Leibniz University Hannover, 30167 Hannover, Germany"},{"name":"Laser Zentrum Hannover e.V., 30419 Hannover, Germany"},{"name":"Academic Alliance Braunschweig - Hannover QUANOMET, 30167 Hannover, Germany"},{"name":"Cluster of Excellence PhoenixD, 30167 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,7,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"15039","DOI":"10.1038\/micronano.2015.39","article-title":"Chip-scale gas Chromatography: From injection through detection","volume":"1","author":"Akbar","year":"2015","journal-title":"Microsyst. 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