[1] [1] B. Kemper, G. Bally. Digital holographic microscopy for live cell applications and technical inspection［J］. Appl. Opt., 2008, 47(4): A52～A61

[2] [2] Huaying Wang, Dayong Wang, Jie Zhao et al.. Simple and robust digital holography for high-resolution imaging［J］. Chin. Opt. Lett., 2008, 6(3): 165～167

[3] [3] Wang Huaying, Wang Guangjun, Zhao Jie et al.. Imaging resolution analysis of digital holographic microscopy［J］. Chinese J. Lasers, 2007, 34(12): 1670～1674

[4] [4] X. F. Meng, L. Z. Cai, X. F. Xu et al.. Two-step phase-shifting interferometry and its application in image encryption［J］. Opt. Lett., 2006, 31(10): 1414～1416

[5] [5] Pan Feng, Xiao Wen, Liu Shuo. Digital holographic microscopy for long-term quantitative phase-contrast imaging of living cells［J］. Chinese J. Lasers, 2011, 38(5): 0509001

[6] [6] J. Mahon Ronan, J. Anthony Murphy, William Lanigan. Digital holography at millimetre wavelengths［J］. Opt. Commun., 2006, 260(2): 469～473

[7] [7] J. Mahon Ronan, J. Anthony Murphy, William Lanigan. Terahertz holographic image reconstruction and analysis［C］. 29th Int. Conf. on Infrared and Millimeter, 2004. 749～750

[8] [8] I. McAuley, J. A. Murphy, N. Trappe et al.. Applications of holography in the millimeter-wave and terahertz region［C］. SPIE, 2011, 7938: 79380H

[9] [9] V. P. Bolotin, V. S. Cherkassky, E. N. Chesnokov et al.. Novosibirsk terahertz free electron laser: status and survey of experimental results［C］. 2005 Joint 30th Intl. Conf. on Infrared and Millimeter Waves & 13th Intl. Conf. on Terahertz Electronics, 2005, 2: 495～496

[10] [10] V. S. Cherkassky, B. A. Knyazev, S. V. Kozlov et al.. Terahertz imaging and holography with a high-power free electron laser［C］. 2005 Joint 30th Intl. Conf. on Infrared and Millimeter Waves & 13th Intl. Conf. on Terahertz Electronics, 2005, 2: 337～338

[11] [11] B. A. Knyazev, A. L. Balandin, V. S. Cherkassky et al.. Classic holography, tomography and speckle metrology using a high-power terahertz free electron laser and real-time image detectors［C］. 2010 35th International Conference on Infrared Millimeter and Terahertz Waves(IRMMW-THz), 2010. 1～3

[12] [12] B. A. Knyazev, G. N. Kulipanov, N. A. Vinokurov. Novosibirsk terahertz free electron laser: instrumentation development and experimental achievements［J］. Measurement Science and Technology, 2010, 21(054017): 1～13

[13] [13] S. Heimbeck. Martin, K. Kim. Myung, D. A. Gregory et al.. Terahertz digital holography using angular spectrum and dual wavelength reconstruction methods［J］. Opt. Express, 2011, 19(10): 9192～9200

[14] [14] Ding Shenghui, Li Q., Li Y. D. et al.. Continuous-wave terahertz digital holography by use of a pyroelectric array camera［J］. Opt. Lett., 2011, 36(11): 1993～1995

[15] [15] Y. Zhang, W. Zhou, X. Wang et al.. Terahertz digital holography［J］. Strain, 2008, 44(5): 380～385

[16] [16] S. Yu, S. Duthaler, B. J. Nelson et al.. Autofocusing in computer microscopy: selecting the optimal focus algorithm［J］. Microscopy Researchand Technique, 2004, 65(3): 139～149

[17] [17] F. Dubois, C. Schokaert, N. Callens et al.. Focus plane detection criteria in digital holography microscopy by amplitude analysis［J］. Opt. Express, 2006, 14(13): 5895～5908

[18] [18] P. Langehanenberg, B. Kemper, D. Dirksen et al.. Autofocusing in digital holographic phase contrast microscopy on pure phase objects for life cell imaging［J］. Appl. Opt., 2008, 47(19): D176～D185

[19] [19] M. Liebling, Michael Unser. Autofocus for digital Fresnel holograms by use of a Fresnelet-sparsity criterion［J］. J. Opt. Soc. Am. A, 2004, 21(12): 2424～2430

[20] [20] Wang Huaying, Liu Jingbo, Wang Dayong et al.. Autofocus for numerical reconstruction in digital holographic microscopy［J］. Acta Optica Sinica, 2008, 28(s2): 343～347

[21] [21] Zhai Yongping, Zhou Dongxiang, Liu Yunhui et al.. Design of evaluation index for auto-focusing function and optimal function selection［J］. Acta Optica Sinica, 2011, 31(4): 0418002

[22] [22] G. Yang, B. J. Nelson. Wavele-based auto-focusing and unsupervised segmentation of microscopic images［C］. Proc. IEEE/RSJ Intemational Conference on Intelligent Robots and Systems, 2003. 2143～2148