Cure monitoring of a UV cured epoxy resin using a long period grating Mach-Zehnder interferometer

Stephen J. Buggy; Richard P. Murphy; Stephen W. James; Ralph P. Tatam

doi:10.1117/12.738364

2 July 2007 Cure monitoring of a UV cured epoxy resin using a long period grating Mach-Zehnder interferometer

Stephen J. Buggy, Richard P. Murphy, Stephen W. James, Ralph P. Tatam

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66190V (2007) https://doi.org/10.1117/12.738364
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

A cascaded long period grating Mach-Zehnder interferometer is used to monitor the change in refractive index of a UV cured epoxy resin over a cure cycle. Fourier techniques are used to calculate the phase shift and frequency spectral amplitude of the associated fringe pattern during the cure. The results are compared with the refractive index change during cure calculated using a Fresnel reflection based technique.

Citation Download Citation

Stephen J. Buggy, Richard P. Murphy, Stephen W. James, and Ralph P. Tatam "Cure monitoring of a UV cured epoxy resin using a long period grating Mach-Zehnder interferometer", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190V (2 July 2007); https://doi.org/10.1117/12.738364

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