Based on the characteristic matrix of a lamellar structure, a matrix method about thermal wave transmission and reflection coefficients is presented, and a calculating formula for photothermal radiometry signal of the multilayer media is given. The results of two three-ply samples calculated by this method are in good agreement with experimental data.
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钱霖 吴志明.多层介质PTR的矩阵方法[J].红外与毫米波学报,1993,12(4):275~280]. QIAN LIN, WU ZHIMING~. MATRIX METHOD OF PHOTOTHERMAL RADIOMETRY FOR MULTILAYER MEDIA[J]. J. Infrared Millim. Waves,1993,12(4):275~280.]
