The photothermoelastic transfer matrix method introduced here was demonstrated to be generally applicable for the calculation of the thermoelastic response of multilayered samples exposed to modulated laser heating. The method enables the modelization of photothermal measurements of samples having arbitrary number of layers and values of optical, thermal, and elastic parameters. To demonstrate its feasibility, a general expression for photopyroelectric signals is being presented.
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© 1994 American Institute of Physics.
1994
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