[1] T. Krupenkin, S. Yang, P. Mach. Tunable liquid microlens[J]. Appl. Phys. Lett., 2003, 82(3): 316~318
[2] Liang Dong, A. K. Agarwal, D. J. Beebe et al.. Variable-focus liquid microlenses and microlens arrays actuated by thermoresponsive hydrogels[J]. Adv. Mater., 2007, 19(3): 401~405
[3] Y. C. Seow, A. Q. Liu, L. K. Chin. Different curvatures of tunable liquid microlens via the control of laminar flow rate[J]. Appl. Phys. Lett., 2008, 93(8): 084101
[5] T. Nose, S. Sato. A liquid crystal microlens obtained with a nonuniform electric field[J]. Liq. Cryst., 1989, 5(5): 1425~1433
[6] Jae Hoon Kim, Satyendra Kumar. Fabrication of electrically controllable microlens array using liquid crystals[J]. J. Lightwave Technol., 2005, 23(2): 628~632
[7] L. G. Commander, S. E. Day, D. R. Selviah. Variable focal length microlenses[J]. Opt. Commun., 2000, 177(1): 157~170
[8] S. Sato. Liquid-crystal lens-cells with variable focal length[J]. Jpn. J. Appl. Phys., 1979, 18(9): 1679~1684
[9] S. Masuda, S. Takahashi, T. Nose et al.. Liquid-crystal microlens with a beam-steering function[J]. Appl. Opt., 1997, 36(20): 4772~4778
[10] M. Ye, S. Sato. Liquid crystal lens with focus movable along and off axis[J]. Opt. Commun., 2003, 225(4-6): 277~280
[11] Yihsin Lin, Hungshan Chen, Hungchun Lin et al.. Polarizer-free and fast response microlens arrays using polymer-stabilized blue phase liquid crystals[J]. Appl. Phys. Lett., 2010, 96(11): 113501
[12] Y. Kao, P. Chao, C. Hsueh. A new low-voltage-driven GRIN liquid crystal lens with multiple ring electrodes in unequal widths[J]. Opt. Express, 2010, 18(18): 18506~18518
[13] S. Jeng, S. Hwang, J. Horng et al.. Electrically switchable liquid crystal Fresnel lens using UV-modified alignment film[J]. Opt. Express, 2010, 18(25): 26325~26331
[14] H. Ren, Y. Fan, Y. Lin et al.. Tunable-focus microlens arrays using nanosized polymer-dispersed liquid crystal droplets[J]. Opt. Commun., 2005, 247(1-3): 101~106
[15] H. T. Dai, Y. J. Liu, X. W. Sun et al.. A negative-positive tunable liquid-crystal microlens array by printing[J]. Opt. Express, 2009, 17(6): 4317~4323
[16] Y. Lee, J. S. Gwag, Y. Choi et al.. Fast switching characteristics of a microlens array using the electroclinic effect of SmA liquid crystals[J]. Appl. Opt., 2009, 48(19): 3737~3741
[17] Yan Li, Shintson Wu. Polarization independent adaptive microlens with a blue-phase liquid crystal[J]. Opt. Express, 2011, 19(9): 8045~8050
[19] Hui Li, Kan Liu, Xinyu Zhang et al.. Optical focusing feature of single element in 128×128 elements electrically controllable cylindrical liquid crystal lens array[J]. Chinese Opt. Lett., 2010, 8(3): 329~331
[20] Zheng Jihong, Zhong Yangwan, Wen Ken et al.. Diffraction and properties of holographic polymer dispersed liquid crystal switchable lens[J]. Acta Physica Sinica, 2010, 59(3): 1831~1838