Characterization of electromagnetic fields using a lock-in infrared thermographic system

Daniel L. Balageas; Patrick Levesque; Alain A. Deom

doi:10.1117/12.141978

6 April 1993 Characterization of electromagnetic fields using a lock-in infrared thermographic system

Daniel L. Balageas, Patrick Levesque, Alain A. Deom

Proceedings Volume 1933, Thermosense XV: An International Conference on Thermal Sensing and Imaging Diagnostic Applications; (1993) https://doi.org/10.1117/12.141978
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

Electromagnetic fields can be monitored by infrared thermography, using sensitive paints or coatings deposited on structures or thin films. Enhancement of the method by release of convective losses and conduction effects is demonstrated. This is obtained by modulating the amplitude of the fields and using a lock-in thermographic system. Examples of application are given which concern an interference field and a multimode field inside a wave-guide.

Citation Download Citation

Daniel L. Balageas, Patrick Levesque, and Alain A. Deom "Characterization of electromagnetic fields using a lock-in infrared thermographic system", Proc. SPIE 1933, Thermosense XV: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (6 April 1993); https://doi.org/10.1117/12.141978

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