Design of a Ti:LiNbO3 sensor for the simultaneous measurement of stress and temperature

S. Cucurachi; Antonella D'Orazio; Marco De Sario; Vincenzo Petruzzelli; Francesco Prudenzano

doi:10.1117/12.156460

22 September 1993 Design of a Ti:LiNbO₃ sensor for the simultaneous measurement of stress and temperature

S. Cucurachi, Antonella D'Orazio, Marco De Sario, Vincenzo Petruzzelli, Francesco Prudenzano

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156460
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

The resolution of a sensor designed to measure strain may be compromised by fluctuations in the environment temperature. This problem can be solved by considering a combined interferometnic-polanimetric measure: in fact if both the interferometric phases for the TE-like and TM-like polarizations are determined the solution of a system of two equations allows for the simultaneous recovery of strain and temperature. In this paper we discuss the possibility of making unambiguous measurements by using the integrated-optic Michelson interferometer consisting of a semi-asymmetric Xjunction made by titanium indiffused lithium niobate waveguides designed and built specifically for the stress temperature and microdisplacement measurements.

Citation Download Citation

S. Cucurachi, Antonella D'Orazio, Marco De Sario, Vincenzo Petruzzelli, and Francesco Prudenzano "Design of a Ti:LiNbO₃ sensor for the simultaneous measurement of stress and temperature", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156460

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