TY  - JOUR
TI  - A CONCATENATED UP AND DOWN TAPERED FIBER FOR SIMULTANEOUS MEASUREMENT OF STRAIN AND TEMPERATURE
AB  - A novel fiber optical sensor based on in-line fiber Mach-Zehnder interferometer for simultaneous measurement of strain and temperature is proposed and demonstrated experimentally. The interferometer is simple, extremely robust and highly sensitive and consists of two concatenated parts; one is a down-tapered fiber (DTF) and the other is an up-tapered fiber (UTF). UTF and DTF sections of the sensor are fabricated by using a commercial fiber splicer and a non-commercial setup based on heating and stretching a portion of a standard single-mode fiber, respectively. While UTF section behaves as a beam splitter to decompose the injected light into core and cladding modes, DTF section provides evanescent field to access the surrounding environment. Experimental results indicate that the resolutions of 0.83 °C and 45.80 micro-epsilon were achieved in temperature and strain, respectively, for simultaneous measurement with a 10 pm of wavelength resolution.
AU  - bilsel, mustafa
AU  - Navruz, Isa
DO  - 10.33769/aupse.745801
PY  - 2020
JO  - Communications Faculty of Sciences University of Ankara Series A2-A3: Physical Sciences and Engineering
VL  - 62
IS  - 2
SN  - 1303-6009
SP  - 164
EP  - 176
DB  - TRDizin
UR  - http://search/yayin/detay/430440
ER  -