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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 22 — Aug. 1, 2014
  • pp: 5084–5087

High-sensitivity temperature sensor based on an optoelectronic oscillator

Yanhong Zhu, Xiaofeng Jin, Hao Chi, Shilie Zheng, and Xianmin Zhang  »View Author Affiliations


Applied Optics, Vol. 53, Issue 22, pp. 5084-5087 (2014)
http://dx.doi.org/10.1364/AO.53.005084


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Abstract

A high-sensitivity temperature sensor based on an optoelectronic oscillator (OEO) is proposed and experimentally demonstrated. The shift of the oscillation frequency in the OEO is inversely proportional to the variation of temperature. An injection-locking method is employed to set up the initial oscillation frequency of the sensor to overcome the uncertainty of the initial oscillation frequency. The experiment results show that high sensitivity of 43.91 kHz/°C with an accuracy of ±0.12°C is achieved between 20°C and 240°C. The system features high temperature sensitivity, wide dynamic range, and high reliability.

© 2014 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3520) Lasers and laser optics : Lasers, injection-locked
(230.4910) Optical devices : Oscillators

ToC Category:
Optical Devices

History
Original Manuscript: May 28, 2014
Revised Manuscript: July 4, 2014
Manuscript Accepted: July 4, 2014
Published: August 1, 2014

Citation
Yanhong Zhu, Xiaofeng Jin, Hao Chi, Shilie Zheng, and Xianmin Zhang, "High-sensitivity temperature sensor based on an optoelectronic oscillator," Appl. Opt. 53, 5084-5087 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-22-5084


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References

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