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.
|Autori interni:||PETRUZZELLI, Vincenzo|
|Titolo:||Design of a Ti:LiNbO3 Sensor for the Simultaneous measurement of stress and temperature|
|Data di pubblicazione:||1993|
|Nome del convegno:||2nd International Symposium on Measurement Technology and Intelligent Instruments|
|Digital Object Identifier (DOI):||10.1117/12.156460|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|