Journal
IEEE SENSORS JOURNAL
Volume 13, Issue 5, Pages 1632-1636Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2013.2238229
Keywords
Agarose; Bragg gratings optical fiber devices; humidity measurement; modal interferometer; optical fiber sensors; photonics crystal fiber; temperature sensors
Ask authors/readers for more resources
A novel fiber optic hybrid device for simultaneously measuring temperature and relative humidity (RH) is proposed and demonstrated in this paper. The device is composed of a fiber Bragg grating (FBG) and a reflection type photonic crystal fiber interferometer (PCFI) infiltrated with humidity sensitive material Agarose. The Agarose infiltrated PCFI is used to monitor the RH and an in-line FBG is used to monitor the temperature. The temperature is measured by detecting the shift in the Bragg wavelength and the humidity is measured by monitoring the change in the optical power of the reflected spectrum. The sensor shows a temperature sensitivity of 9.8 pm/degrees C and an optical power variation of >7 dB for an RH change of 75 %, with less cross sensitivity.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
