期刊
SENSORS
卷 22, 期 23, 页码 -出版社
MDPI
DOI: 10.3390/s22239315
关键词
amplified spontaneous emission; refractive index measurements; erbium-doped fiber
资金
- Ministerio de Universidades of Spain [CAS21/00351]
- MCIN/AEI [PID2019-107270RB-C22, PDC2021-121172-C21, TED2021-130378B-C22]
- FEDER A way to make Europe
- European Union Next generation EU/PTR
- National Funds through the Portuguese funding agency, FCT-Fundacao para a Ciencia e a Tecnologia [UIDB/50014/2020]
- FCT, Portugal [2020.05297.BD]
In this study, an erbium-doped fiber ring cavity-based interrogation system for refractive index measurements is proposed and experimentally demonstrated. The system utilizes an FBG as a reflector to increase the optical power and includes two output ports for refractive index measurement.
In this study, an interrogation system based on an erbium-doped fiber ring cavity for refractive index measurements is presented and experimentally demonstrated. This cavity ring includes a 1 x 3 coupler wherein one of the fiber output ports is used to increase the optical power of the system by means of an FBG used as a reflector. The other two output ports are used as a refractive index sensing head and reference port, respectively. An experimental demonstration of this proposed sensor system for the measurement of a distinct refractive index is presented.
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