Simultaneous measurement of two strain components using passive demodulation

Y. L. Lo; J. S. Sirkis

doi:10.1117/12.173988

Simultaneous measurement of two strain components using passive demodulation

Y. L. Lo, J. S. Sirkis

Department of Mechanical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

This paper uses 3×3 coupler passive demodulation of combined Michelson and polarimetric optical fiber sensors to simultaneously measure axial and transverse strain components in a single optical fiber bonded to a vibrating cantilever beam. The separated Michelson and polarimetric signals are used with isothermal Michelson and polarimetric phase strain-models to provide two independent equations describing the strain in the fiber. These equations provide enough information to calculate axial and transverse strains in surface mounted sensors.

Original language	English
Pages (from-to)	67-77
Number of pages	11
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	2191
DOIs	https://doi.org/10.1117/12.173988
Publication status	Published - 1994 May 1
Event	Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation - Orlando, United States Duration: 1994 Feb 13 → 1994 Feb 18

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.173988

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abstract = "This paper uses 3×3 coupler passive demodulation of combined Michelson and polarimetric optical fiber sensors to simultaneously measure axial and transverse strain components in a single optical fiber bonded to a vibrating cantilever beam. The separated Michelson and polarimetric signals are used with isothermal Michelson and polarimetric phase strain-models to provide two independent equations describing the strain in the fiber. These equations provide enough information to calculate axial and transverse strains in surface mounted sensors.",

author = "Lo, {Y. L.} and Sirkis, {J. S.}",

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N2 - This paper uses 3×3 coupler passive demodulation of combined Michelson and polarimetric optical fiber sensors to simultaneously measure axial and transverse strain components in a single optical fiber bonded to a vibrating cantilever beam. The separated Michelson and polarimetric signals are used with isothermal Michelson and polarimetric phase strain-models to provide two independent equations describing the strain in the fiber. These equations provide enough information to calculate axial and transverse strains in surface mounted sensors.

AB - This paper uses 3×3 coupler passive demodulation of combined Michelson and polarimetric optical fiber sensors to simultaneously measure axial and transverse strain components in a single optical fiber bonded to a vibrating cantilever beam. The separated Michelson and polarimetric signals are used with isothermal Michelson and polarimetric phase strain-models to provide two independent equations describing the strain in the fiber. These equations provide enough information to calculate axial and transverse strains in surface mounted sensors.

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JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation

Y2 - 13 February 1994 through 18 February 1994

ER -

Simultaneous measurement of two strain components using passive demodulation

Abstract

All Science Journal Classification (ASJC) codes

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