FIBER-OPTIC TEMPERATURE SENSOR.

Tetsuo Taniuchi, Yoshinobu Tsujimoto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A new optical sensor utilizing temperature variations of birefringence has been developed. This sensor is composed of a LiTaO//3 single crystal used as the sensing material, a rutile plate used as the polarizer, and an optical fiber used as the signal transmission line. The nonmetallic optical sensor components offer electrical noise immunity and high electric insulation. Because a light emitting diode is applied as the light source this sensor is highly stable and less expensive to manufacture. The sensor with a crystal thickness of 70 mu m has a sensitivity of 0. 1 degree C. Search for practical applications of this sensor in consumer and industrial equipment is now in progress.

Original languageEnglish
Pages (from-to)387-392
Number of pages6
JournalNational technical report
Volume29
Issue number3
Publication statusPublished - 1983 Jan 1

ASJC Scopus subject areas

  • Engineering(all)

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