[1] D. M. Mittleman, R. H. Jacobsen, M. C. Nuss. T-Ray imaging［C］. IEEE J. Sel. Topics Quant. Electron. 1996, 2(3): 679～692

[2] B. B. Hu, M. C. Nuss. Imaging with Terahertz wave［J］. Opt. Lett., 1995, 20(16): 1716～1718

[3] D. M. Mittleman, S. Hunsche, L. Boivin et al.. T-ray tomography［J］. Opt. Lett., 1997, 22: 904～906

[4] D. M. Mittleman, G. Gupta, B. Neelamani et al.. Recent advantages in terahertz imaging［J］. Appl. Phys. B, 1999, 68(6): 1085～1094

[5] T. D. Dorney, R. G. Baraniuk, D. M. Mittleman. Material parameter estimation with terahertz time-domain spectroscopy［J］. J. Opt. Soc. Am. A, 2001, 18(7): 1562～1565

[6] Q. Wu, T. D. Hewitt, X.-C. Zhang. Two dimensional electro-optic imaging of THz beams［J］. Appl. Phys. Lett., 1996, 68(8): 1026～1028

[7] Z. G. Lu, P. Campbell, X.-C. Zhang. Free-space electro-optic sampling with a high-repetition-rate regenerative amplified laser［J］. Appl. Phys. Lett., 1997, 71(5): 593～595

[8] H. Zhong, N. Karpowicz, X.-C. Zhang. Terhaertz emission profile from laser-induced air plasma［J］. Appl. Phy. Lett., 2006, 88(26): 261103

[9] H. Zhong, A. Sanchez, X.-C. Zhang. Identification and classification of chemicals using terahertz reflective spectroscopic focal plane imaging system［J］. Opt. Express, 2006, 14(20): 9130～9141

[10] M. Fox. Optical properties of solids[M]. New York: Oxford University Press, 2001

[11] M. Van Exter, Ch. Fattinger, D. Grischkowsky. Terahertz time-domain spectroscopy of water vapor［J］. Opt. Lett., 1989, 14(20): 1128～1131

[12] L. Zhang, H. Zhong, C. Zhang et al.. Terahertz wave reference-free phase imaging for identification of explosives［J］. Appl. Phys. Lett., 2008, 92(9): 091117

[13] H. Zhong, C. Zhang, L. Zhang et al.. A phase feature extraction technique for terahertz reflection spectroscopy［J］. Appl. Phys. Lett., 2008, 92(22): 221106