All-Fiber Highly Sensitive Bragg Grating Bend Sensor

All-Fiber Highly Sensitive Bragg Grating Bend Sensor

In this paper, we demonstrated a novel, all-fiber highly sensitive bend sensor based on a four-core fiber rod with a diameter of 2.1 mm. We observed a high resolution of the sensor at a level of 3.6 × 10−3 m−1. Such a sensor design can be used in harsh environments due to the relatively small size a...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2019-09, Vol.19 (19), p.4228
Hauptverfasser: Butov, Oleg V., Bazakutsa, Alexey P., Chamorovskiy, Yuri K., Fedorov, Artem N., Shevtsov, Igor’ A.
Format: Artikel
Sprache:eng
Schlagworte:
Accuracy
Adhesive joints
bend sensor
Bragg gratings
Deformation
fiber bragg gratings
Inscriptions
Lasers
Manufacturing
multicore fiber
optical fiber sensor
Radiation
Sensors
Welded joints
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Beschreibung
Zusammenfassung:In this paper, we demonstrated a novel, all-fiber highly sensitive bend sensor based on a four-core fiber rod with a diameter of 2.1 mm. We observed a high resolution of the sensor at a level of 3.6 × 10−3 m−1. Such a sensor design can be used in harsh environments due to the relatively small size and all-fiber configuration, containing no adhesive, nor welded joints.
ISSN:1424-8220
1424-8220
DOI:10.3390/s19194228