This paper addresses the problem of optical detection of local non-homogeneities in solar cell assemblies (SCA) for space applications using a modulated laser induced photothermal reflectance microscopy technique. Experimental data show the high sensitivity of this technique in detecting local heterogeneities and defects in the SCA transparent layers. A mathematical model developed based on the reflectance variation at each SCA layer interface describes well the signal behavior as a function of the modulation frequency. Simulated results show good correlation with experimental data. A proposed methodology for SCA analysis and inspection combines both the developed mathematical model and the experimental laser induced photothermal reflectance microscopy technique.
Assessment of local non-homogeneity in solar cell assembly for space applications
Feststellung lokaler Inhomogenitäten in Sonnenbatterien für die Raumfahrt
2002
6 Seiten, 7 Bilder, 14 Quellen
Conference paper
English
Assessment of Local Non-Homogeneity in Solar Cell Assembly for Space Applications
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