期刊
IEEE SENSORS JOURNAL
卷 16, 期 15, 页码 5987-5992出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2016.2573961
关键词
Fiber sensor; inline MZI; tapered fiber; humidity sensor; temperature sensor
资金
- Newton-Ungku Omar Institutional linkages Fund [GA010-2014 (ulung), RU007/2015]
- Engineering and Physical Sciences Research Council [EP/H018247/1] Funding Source: researchfish
- EPSRC [EP/H018247/1] Funding Source: UKRI
In-line single-mode tapered-fiber Mach-Zehnder interferometer (MZI-SMTF) with average waist diameters (d(avg)) of 4.05 and 2.89 mu m have been fabricated, and both the temperature and the humidity sensitivity of the surrounding media have been measured and compared. The humidity and the temperature were measured over the ranges from 0% to 90% and 28 degrees C to 40 degrees C, respectively. The stability of the system at 50% RH and 90% RH was investigated, while the temperature of the chamber was maintained at about 28 degrees C. The humidity and temperature sensitivity resolution values were 0.02 nm/% RH and 0.05 nm/ 0.1 degrees C for the MZI-SMTF-1 with an average waist diameter of 4.05 mu m, while they were 0.01 nm/% RH and 0.025 nm/ 0.1 degrees C for the MZI-SMTF-2 with an average waist diameter of 2.89 mu m.
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