Fiber-tip micro-cavity for temperature and transverse load sensing

Jun Ma, Jian Ju, Long Jin, Wei Jin, Dongning Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

98 Citations (Scopus)


A low cost fiber-optic micro-cavity interferometric sensor is presented. The micro-cavity is fabricated at the fiber tip by splicing a silica capillary to a single mode fiber and then heating/melting the capillary to form a microsphere with an internal air cavity. Applications of the micro-cavity sensor for temperature and traverse load measurements are demonstrated. The sensor has small size and good mechanical strength, and may be used in high temperature environment.
Original languageEnglish
Pages (from-to)12418-12426
Number of pages9
JournalOptics Express
Issue number13
Publication statusPublished - 20 Jun 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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