Abstract
This paper presents a theoretical analysis of a two-layered pyroelectric detector which can be used in photopyroelectric spectroscopy where one of the two layers is an air gap. The analysis was performed using a recently developed one-dimensional two-layer model. It was shown theoretically and numerically that the presence of an air gap between the substrate and the pyroelectric material simplifies the photopyroelectric spectroscopic technique.
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Seas, A., Christofides, C. Photopyroelectric spectroscopy in the presence of an air gap transparent phase-shifter. Appl. Phys. B 62, 563–574 (1996). https://doi.org/10.1007/BF01081695
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DOI: https://doi.org/10.1007/BF01081695