Enhanced photothermal parameter estimation of thick CFRP in reflection mode for rectangular pulse excitation by Halogen lamps

Enhanced photothermal parameter estimation of thick CFRP in reflection mode for rectangular pulse excitation by Halogen lamps

[Display omitted] •Virtual Wave Concept enables photothermal parameter estimation for arbitrary heating.•Rectangular pulse by Halogen lamps for high signal-to-noise ratio on thick CFRP.•Sensing and characterization of optical excitation signal via a monolithic photodiode.•Water-based spectral separa...

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Veröffentlicht in:Infrared physics & technology 2021-11, Vol.118, p.103911, Article 103911
Hauptverfasser: Plasser, Holger, Mayr, Gernot, Mayr, Günther, Hendorfer, Günther, Major, Zoltan
Format: Artikel
Sprache:eng
Schlagworte:
Active thermography
Arbitrary heating function
Halogen lamp
Parameter estimation
Spectral Fluid Filter
Virtual Wave Concept
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Zusammenfassung:[Display omitted] •Virtual Wave Concept enables photothermal parameter estimation for arbitrary heating.•Rectangular pulse by Halogen lamps for high signal-to-noise ratio on thick CFRP.•Sensing and characterization of optical excitation signal via a monolithic photodiode.•Water-based spectral separation of optical excitation source and quantum detector.•Uncertainty
ISSN:1350-4495
1879-0275
DOI:10.1016/j.infrared.2021.103911