Comparision of solution approaches for distributed humidity sensing in PFGI-POF
- We compare four different sensing solutions suitable for distributed fiber optic humidity sensing in per uorinated graded-index polymer optical fibers (PFGI-POFs). Compared to silica fbers, polymer optical fibers over advantageous beneffits including signifficantly higher break down strain, fracture toughness and humidity sensitivity. Various humidity-related effects in PFGI-POFs have been reported in the last years including measured attenuation and length changes as well as Brillouin frequency and Bragg wavelength shifts. The four aforementioned methods could serve as a basis for distributed and quasi-distributed humidity sensing and are described here closely with an emphasis on plausible cross effects to temperature and strain. The main focus of this paper lies on the comparison of four approaches with regard to method complexity, sensitivity to humidity, spatial resolution, real-time capability and effort to compensate for cross effects.
Autor*innen: | Andy Schreier |
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Koautor*innen: | Sascha LiehrORCiD, Aleksander Wosniok, Katerina Krebber |
Dokumenttyp: | Vortrag |
Veröffentlichungsform: | Präsentation |
Sprache: | Englisch |
Jahr der Erstveröffentlichung: | 2019 |
Organisationseinheit der BAM: | 8 Zerstörungsfreie Prüfung |
8 Zerstörungsfreie Prüfung / 8.6 Faseroptische Sensorik | |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau |
Freie Schlagwörter: | Distributed sensing; Humidity; Polymer optical fibre |
Themenfelder/Aktivitätsfelder der BAM: | Infrastruktur |
Veranstaltung: | SPIE 2019 International Symposium on Optics + Optoelectronics: Optical Sensors |
Veranstaltungsort: | Prague, Czech Republic |
Beginndatum der Veranstaltung: | 01.04.2019 |
Enddatum der Veranstaltung: | 04.04.2019 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 08.04.2019 |
Referierte Publikation: | Nein |
Eingeladener Vortrag: | Nein |