[1] [1] Nordal P E, Kanstad S O. Photothermal radiometry［J］. Physica Scripta, 1979, 20(5-6): 659.

[2] [2] Nakamura H , Tsubouchi K , Mikoshiba N. Nondestructive and noncontact evaluation of semiconductors by photothermal radiometry［J］. Japanese Journal of Applied Physics, 1985, 24(S1): 222-224.

[3] [3] ZHAO Guang-yan, GUO Xin-lin, REN Ming-fa. Lock-in infrared thermography for the non-destructive testing of fatigue specimen with defects［J］. Acta Optica Sinica, 2010, 30(10): 2776-2781.

[4] [4] Kanstad S O, Nordal P E. Experimental aspects of photothermal radiometry［J］. Canada Journal Physics, 1986, 64(11): 1155-1164.

[5] [5] Heuret M, Bissieux C, Pincon L, et al. Characterization of ceramic coatings by photothermal radiometry［J］. Surface and Coatings Technology, 1991, 45(1-3): 325-331.

[6] [6] MA Xiao-bo, WANG Qing-qing. An inversion algorithm for the subsurface defect based on infrared temperature measurement［J］. Infrared Technology, 2018, 40(1): 85-90.

[7] [7] CAO Dan, QU Hui-ming. Research on material infrared nondestructive testing based on finite element［J］. Laser & Infrared, 2013, 43(5): 513-517.

[8] [8] Muramatsu M, Nakasumi S, Harada Y. Characterization of defects in carbon fiber-reinforced plastics by inverse heat conduction analysis using transfer matrix between layers［J］. Advanced Composite Materials, 2016, 25(6): 1-15.

[9] [9] TANF Qing-ju, LIU Jun-yan, WANG Yang, et al. Infrared image edge recognition and defect quantitative determination based on the algorithm of fuzzy C-means clustering and Canny operator［J］. Infrared and Laser Engineering, 2016, 45(9): 0928001(1-5).

[10] [10] FAN Chun-li, SUN Feng-rui, YANG li. Temperature distribution of defect surface and effect of natural convection on thermographic inspection［J］. Laser & Infrared, 2005, 35(7): 504-507.

[11] [11] Wang L, Prekel H, Liu H, et al. Thickness microscopy based on photothermal radiometry for the measurement of thin films［J］. Spectrochimica Acta Part A, 2009, 72(2): 361-365.

[12] [12] Xu G L. Engineering heat transfer［M］. Beijing: China Electric Power Press, 2011