An optical fiber temperature sensor using a thermochromic solution

Tianyou hao, Chung Chiun Liu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


An optical temperature sensor operated in the temperature range 25 to 55°C has been constructed and evaluated. This sensor combines an optical fibre with a thermochromic solution, cobalt chloride, and is operated based on the changes in the optical absorption spectrum of the thermochromic solution caused by the temperature variation. Good response and reproducibility are obtained and the measurement principles, the construction of the sensor, and the experimental results of this investigation are reported and discussed.

Original languageEnglish
Pages (from-to)213-216
Number of pages4
JournalSensors and Actuators, A: Physical
Issue number3
StatePublished - Sep 1990


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