[1] [1] Khan M A, Allemand C, Eagar T W. Noncontact temperature measurement I: interpolation based techniques [J].Rev. Sci. Instrum., 1991, 62(2): 392-402

[2] [2] Hahn J W, Rhee C. Reference wavelength method for a two-color pyrometer [J]. Appl. Opt., 1987, 26(24):5276-5279

[3] [3] Hunter G B, Allehand C D, Eager T W. Multiwavelength pyrometer [J]. Opt. Eng., 1985, 24(6): 1081-1085

[4] [4] Dewitt D P. Inferring temperature from optical radiation measurement [J]. Opt. Eng., 1986, 25(4): 596-601

[5] [5] Krivtzum V, Grass B, Hergenroder R, et al. Temperature measurement of liquids by differential absorption of two diode laser: application of contactless optical detection in isotachophoresis [J]. Appl. Spectro., 2001, 55(9):1251-1258

[6] [6] Fan C H, Longtin J P. Laser-based measurement of temperature or concentration change at liquids surfaces [J].Journal of Heat Transfer, Transactions ASME, 2000, 122(4): 757-762

[7] [7] Kee H H, Lees G P, Newson T P. Technique for measuring distributed temperature with 35 cm spatial resolution utilizing the landau-placzek ratio [J]. IEEE Photonics Technology Lett., 2000, 12(7): 873-875