Journal
APPLIED OPTICS
Volume 52, Issue 12, Pages 2670-2675Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.52.002670
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Funding
- Science and Technology Plan of Chongqing [Y11Z032A10]
- Hundred Talents Program of CAS [Y21Z110A10]
- West Light Foundation of The Chinese Academy of Sciences [Y21Z020A10]
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We propose a simple intrinsic Fabry-Perot interferometer (FPI) based on single-mode fiber, where a thin film is formed by arc discharge to serve as one mirror of the FPI cavity. The temperature and refractive-index (RI) characteristics of the proposed device are investigated. Experimental results show that the device can provide temperature-independent measurement of RI with a fringe-contrast sensitivity of similar to 72.59 dB/RIU (RI units). Meanwhile, it can also be used as a temperature sensor with a wavelength sensitivity of similar to 8 pm/degrees C. Therefore, the potential simultaneous measurement of RI and temperature could be realized by detecting the variations of fringe contrast and wavelength, respectively. (C) 2013 Optical Society of America
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