[1] LIN H C,LIN Y H.A fast response and large electrically tunable-focusing imaging system based on switching of two modes of a liquid crystal lens［J］.Applied Physics Letters,2010,97(6):63505.

[2] YE M,WANG B,UCHIDAET M,et al.Focus tuning by liquid crystal lens in imaging system［J］.Applied Optics,2012,51(31):7630-7635.

[3] FRAVAL N,DE LA TOCNAYE J L.Low aberrations symmetrical adaptive modal liquid crystal lens with short focal lengths［J］.Applied Optics,2010,49(15):2778-2783.

[4] CHEN H S,LIN Y H.An endoscopic system adopting a liquid crystal lens with an electrically tunable depth-of-field［J］.Optics Express,2013,21(15):18079-18088.

[5] COMMANDER L G,DAY S E,SELVIAH D R.Variable focal length microlenses［J］.Optics Communications,2000,177(1):157-170.

[6] LIN H C,LIN Y H.An electrically tunable focusing pico-projector adopting a liquid crystal lens［J］.Japanese Journal of Applied Physics,2010,49:102502.

[7] LIN H C,LIN Y H.A fast response and large electrically tunable-focusing imaging system based on switching of two modes of a liquid crystal lens［J］.Applied Physics Letters,2010,97(6):63505.

[8] YE M,WANG B,UCHIDA M,et al.Focus tuning by liquid crystal lens in imaging system［J］.Applied Optics,2012,51(31):7630-7635.

[9] HUANG Y P,CHEN C W,HUANG Y C.Superzone fresnel liquid crystal lens for temporal scanning auto-stereoscopic display［J］.Journal of Display Technology,2012,8(11):650-655.

[10] KAWAMURA M,NAKAMURA K,SATO S.Liquid-crystal micro-lens array with two-divided and tetragonally hole-patterned electrodes［J］.Optics Express,2013,21(22):26520-26526.

[11] CHEN H S,LIN Y H.An endoscopic system adopting a liquid crystal lens with an electrically tunable depth-of-field［J］.Optics Express,2013,21(15):18079-18088.

[12] NOSE T,SANTO S.A liquid crystal microlens obtained with a non-uniform electric field ［J］.Liquid Crystals,1989,5(5):1425-1433.

[13] NAUMOV A F,LOVE G D,LOKTEV M Y,et al.Control optimization of spherical modal liquid crystal lenses［J］.Optics Express,1999,4(9):344-352.

[14] REN H W,WU J R,FAN Y H,et al.Hermaphroditic liquid-crystal microlens［J］.Optics Letters,2005,30(4):376-378.

[15] HSU C J,SHEU C R.Using photopolymerization to achieve tunable liquid crystal lenses with coaxial bifocals［J］.Optics Express,2012,20(4):4738-4746.

[16] LI L W,BRYANT D,VAN HEUGTEN T,et al.Near-diffraction-limited tunable liquid crystal lens with simplified design［J］.Optical Engineering,2013,52(3):35007.

[17] LI L W,BRYANT D,VAN HEUGTEN T,et al.Near-diffraction-limited and low-haze electro-optical tunable liquid crystal lens with floating electrodes［J］.Optics Express,2013,21(7):8371-8381.

[18] LIN Y H,REN H W,WU Y H,et al.Polarization-independent liquid crystal phase modulator using a thin polymer-separated double-layered structure［J］.Optics Express,2005,13(22):8746-8752.

[19] TU T Y,CHAO P C P,LIN C T.A new liquid crystal lens with axis-tunability via three sector electrodes［J］.Microsystem Technologies,2012,18(9-10):1297-1307.

[20] REN H W,FAN Y H,GAUZA S,et al.Tunable-focus flat liquid crystal spherical lens［J］.Applied Physics Letters,2004,84(23):4789-4791.

[21] KIM S U,LEE S,NA J H,et al.Tunable liquid crystal lens array by encapsulation with a photo-reactive polymer for short focal length［J］.Optics Communications,2014,313:329-332.

[22] LIN Y H,CHEN H S,LIN H C,et al.Polarizer-free and fast response microlens arrays using polymer-stabilized blue phase liquid crystals［J］.Applied Physics Letters,2010,96(11):113505-1-113505-5.

[23] LI Y,LIU Y F,LI Q,et al.Polarization independent blue-phase liquid crystal cylindrical lens with a resistive film［J］.Applied Optics,2012,51(14):2568-2572.

[24] HUANG W C,CHEN Y J,LIN C H,et al.Sensitive voltage-dependent diffraction of a liquid crystal Fresnel lens［J］.Applied Optics,2009,48(11):2094-2098.

[25] LOU Y M,LIU Q K,WANG H,et al.Rapid fabrication of an electrically switchable liquid crystal Fresnel zone lens［J］.Applied Optics,2010,49(26):4995-5000.