References
- S. H. Choi, A. J. Duzik, H.-J. Kim, Y. J. Park, J. H. Kim, H.-U. Ko, H.-C. Kim, S. R. Yun, and K.-U. Kyung, "Perspective and potential of smart optical materials," Smart Materials and Structures, vol. 26, no. 9, 2017, DOI: 10.1088/1361-665X/aa7c32.
- K.-H. Jeong, G. L. Liu, N. Chronis, and L. P. Lee, "Tunable microdoublet lens array," Optics Express, vol. 12, no. 11, pp. 2494-2500, 2004, DOI: 10.1364/OPEX.12.002494.
- D. Zhu, C. Li, X. Zeng, and H. Jiang, "Tunable-focus microlens arrays on curved surfaces," Applied Physics Letters, vol. 96, pp. 94-97, 2010, DOI: 10.1063/1.3330965.
- W. Wang, J. Fang, and K. Varahramyan, "Compact variable focusing microlens with integrated thermal actuator and sensor," IEEE Photonics Technology Letters, vol. 17, no. 12, Dec., 2005, DOI: 10.1109/LPT.2005.859129.
- N. Chronis, G. L. Liu, K.-H. Jeong, and L. P. Lee, "Tunable liquidfilled microlens array integrated with microfluidic network," Optics Express, vol. 11, no. 19, pp. 2370-2378, 2003, DOI: 10.1364/OE.11.002370.
- N. Sugiura and S. Morita, "Variable-focus liquid-filled optical lens," Applied Optics, vol. 32, no. 22, pp.4181-4186, 1993, DOI: 10.1364/AO.32.004181.
- C. Li and H. Jiang, "Electrowetting-driven variable-focus microlens on flexible surfaces," Applied Physics Letters, vol. 100, no. 23, 2012, DOI: 10.1063/1.4726038.
- X. Hu, S. Zhang, Y. Liu, C. Qu, L. Lu, X. Ma, X. Zhang, and Y. Deng, "Electrowetting based infrared lens using ionic liquids." Applied Physics Letters, vol. 99, no. 21, 2011, DOI: 10.1063/1.3663633.
- J. Y. An, J. H. Hur, S. Kim, and J. H. Lee, "Spherically encapsulated variable liquid lens on coplanar electrodes," IEEE Photonics Technology Letters, vol. 23, no. 22 2011, DOI: 10.1109/LPT.2011.2167606.
- C.-C. Cheng, C. A. Chang, and J. A. Yeh, "Variable focus dielectric liquid droplet lens," Optics Express, vol. 14, no. 9, 2006, DOI: 10.1364/OE.14.004101.
- C.-C. Cheng and J. A. Yehz, "Dielectrically actuated liquid lens," Optics Express, vol. 15, no. 12, 2007, DOI: 10.1364/OE.15.007140.
- C. V. Brown, G. G. Wells, M. I. Newton, and G. McHale, "Voltage-programmable liquid optical interface," Nature Photonics, vol. 3, pp.403-405, 2009, DOI: 10.1038/nphoton.2009.99.
- K. Mishra, C. Murade, B. Carreel, I. Roghair, J. M. Oh, G. Manukyan, D. van den Ende, and F. Mugele, "Optofluidic lens with tunable focal length and asphericity," Scientific Reports, vol. 4, 2014, DOI: 10.1038/srep06378.
- N. Binh-Khiem, K. Matsumoto, and I. Shimoyama, "Polymer thin film deposited on liquid for varifocal encapsulated liquid lenses," Applied Physics Letters, vol. 93, no. 12, 2008, DOI: 10.1063/1.2988467.
- Y. Wang, H. Chen, Y. Wang, Z. Zhu, and D. Li, "Effect of dehydration on the mechanical and physicochemical properties of gold-and palladium-ionomeric polymer-metal composite (IPMC) actuators," Electrochimica Acta, vol. 129, pp. 450-458, 2014, DOI: 10.1016/j.electacta.2014.02.114.
- U. Deole, R. Lumia, M. Shahinpoor, and M. Bermudez, "Design and Test of Ipmc Artificial Muscle Microgripper," Journal of Micro-Nano Mechatronics, vol. 4, no. 3, pp. 95-102, 2008, DOI: 10.1007/s12213-008-0004-z.
- M. D. Green, D. Wang, S. T. Hemp, J.-H. Choi, K. I. Winey, J. R. Heflin, and T. E. Long, "Synthesis of imidazolium ABA triblock copolymers for electromechanical transducers," Polymer, vol. 53, no. 17, pp. 3677-3686, 2012, DOI: 10.1016/j.polymer.2012.06.023.
- S.-J. Kim, C.-J. Kim, N.-C. Park, H.-S. Yang, Y.-P. Park, K.-H. Park, H.-K. Lee, and N.-J. Choi, "Design and position control of AF lens actuator for mobile phone using IPMC-EMIM," Electroactive Polymer Actuators and Devices vol. 6927, 2008, DOI: 10.1117/12.776342.
- S.-J. Kim, C.-J. Kim, N.-C. Park, H.-S. Yang, and Y. P. Park, "Design and control of 2-axis tilting actuator for endoscope using ionic polymer metal composites," Industrial and Commercial Applications of Smart Structures Technologies 2009, vol. 7290, 2009, DOI: 10.1117/12.815905.
- C. Kim, S.-J. Kim, H. Yang, N.-C. Park, and Y. P. Park, "An auto-focus lens actuator using ionic polymer metal composites: design, fabrication and control," International Journal of Precision Engineering and Manufacturing, vol. 13, no. 10, pp.1883-1887, 2012, DOI: 10.1007/s12541-012-0247-4.
- Q. Shen, S. Trabia, T. Stalbaum, V. Palmre, K. Kim, and I.-K. Oh, "A multiple-shape memory polymer-metal composite actuator capable of programmable control, creating complex 3D motion of bending, twisting, and oscillation," Scientific Reports, vol. 6, 2016, DOI: 10.1038/srep24462.
- I. Shimizu, K. Kikuchi, and S. Tsuchitani, "Variable-focal length lens using IPMC," 2009 ICCAS-SICE, Fukuoka, Japan, pp. 4752-4756, 2009, [Online], https://ieeexplore.ieee.org/abstract/document/5334345/references#references.
- H.-K. Lee, N.-J. Choi, S. Jung, K.-H. Park, H. Jung, J.-K. Shim, J.-W. Ryu, and J. Kim, "Electroactive Polymer Actuator for Lens -Drive Unit in Auto-Focus Compact Camera Module," ETRI Journal, vol. 31, no. 6, pp. 695-702, 2009, DOI: 10.4218/etrij.09.1209.0023.
- E.-J. Shin, W.-H. Park, M. Yeo, J.W. Bae, and S.-Y. Kim, "Development of an Adaptive Lens Using an Ionic Polymermetal Composite," Korea Knowledge Information Technology Society, vol. 12, no. 4, pp. 491-500, 2017, [Online], http://www.dbpia.co.kr/Journal/articleDetail?nodeId=NODE08985011. https://doi.org/10.34163/jkits.2017.12.4.003
- Y. Wang, H. Chen, B. Luo, and Z. Zhu, "Design and optimization of small-sized actuators for driving optical lens with different shapes based on IPMCs," Electroactive Polymer Actuators and Devices (EAPAD) 2012, vol. 8340, 2012, DOI: 10.1117/12.917413.
- X. Bao, Y. Bar-Cohen, and S.-S. Lih, "Measurements and Macro Models of Ionomeric Polymer-Metal Composites (Ipmc)," Smart Structures and Materials 2002: Electroactive Polymer Actuators and Devices (EAPAD), 2002, DOI: 10.1117/12.475167.
- M. Annabestani, M. Maymandi-Nejad, and N. Naghavi, "Restraining Ipmc Back Relaxation in Large Bending Displacements: Applying Non-Feedback Local Gaussian Disturbance by Patterned Electrodes," IEEE Transactions on Electron Devices, vol. 63, no. 4, pp. 1689-1695, 2016, DOI: 10.1109/TED.2016.2530144.
- P. C. Binh, D. N. C. Nam, and K. K. Ahn, "Design and modeling of an innovative wave energy converter using dielectric electro-active polymers generator," International Journal of Precision Engineering and Manufacturing, vol. 16, pp. 1833-1843, 2015, DOI: 10.1007/s12541-015-0239-2.
- J. M. Choi, H. M. Son, and Y.-J. Lee, "Biomimetic variablefocus lens system controlled by winding-type SMA actuator," Optics Express, vol. 17, no. 10, 2009, DOI: 10.1364/OE.17.008152.
- Y. M. Song, Y. Xie, V. Malyarchuk, J. Xiao, I. Jung, K.-J. Choi, Z. Liu, H. Park, C. Lu, R.-H. Kim, R. Li, K. Crozier, Y. Huang, and J. Rogers, "Digital cameras with designs inspired by the arthropod eye," Nature, vol. 497, pp. 95-99, 2013, DOI: 10.1038/nature12083.
- G. Beadie, M. L. Sandrock, M. J. Wiggins, R. S. Lepkowicz, J. S. Shirk, M. Ponting, Y. Yang, T. Kazmierczak, A. Hiltner, and E. Baer, "Tunable polymer lens," Optics Express, vol. 16, no. 16, 2008, DOI: 10.1364/OE.16.011847.
- K. K. Sadasivuni, D. Ponnamma, H. U. Ko, L. Zhai, H.-C. Kim, and J. Kim, "Electroactive and optically adaptive bionanocomposite for reconfigurable microlens," The Journal of Physical Chemistry, vol. 120, 2016, DOI: 10.1021/acs.jpcb.6b01370..
- F. Carpi, G. Frediani, S. Turco, and De D. de Rossi, "Bioinspired tunable lens with muscle-like electroactive elastomers," Advanced Functional Materials, vol. 21, no. 21, 2011, DOI: 10.1002/adfm.201101253.
- S. Nam, S. Park, S. Yun, B. Park, S. K. Park, and K.-U. Kyung, "Structure modulated electrostatic deformable mirror for focus and geometry control," Optics Express, vol. 24, no. 1, 2016, DOI: 10.1364/OE.24.000055.
- P.-H. Cu-Nguyen, A. Grewe, P. FeBer, A. Seifert, S. Sinzinger, and H. Zappe, "An imaging spectrometer employing tunable hyperchromatic microlenses," Light Science & Applications, vol. 5, 2015, DOI: 10.1038/lsa.2016.58.
- T. Hwang, H. Y. Kwon, J.-S. Oh, J.-P. Hong, S.-C. Hong, Y. Lee, H. R, Choi, K. J. Kim, M. H. Bhuiya, and J.-D. Nam, "Transparent actuator made with few layer graphene electrode and dielectric elastomer, for variable focus lens," Applied Physics Letters, vol. 103, no. 2, 2013, DOI: 10.1063/1.4812982.
- S. Yun, S. Park, B. Park, S. Nam, S. K. Park, and K.-U. Kyung, "A thin film active-lens with translational control for dynamically programmable optical zoom," Applied Physics Letters, vol.107, no. 8, 2015, DOI: 10.1063/1.4929716.
- J.-Y. Sun, X. Zhao, W. R. K. Illeperuma, O. Chaudhuri, K. H. Oh, D. J. Mooney, J. J. Vlassak, and Z. Suo, "Highly stretchable and tough hydrogels," Nature, vol. 489, pp.133-136, 2012, DOI: 10.1038/nature11409.
- C. Keplinger, J.-Y. Sun, C. C. Foo, P. Rothemund, G. M. Whitesides, and Z. Suo, "Stretchable, transparent, ionic conductors," Science, vol. 341, no. 6149, pp.984-987, 2013, DOI: 10.1126/science.1240228.
- T. Hirai, T. Ogiwara, K. Fujii, T. Ueki, K. Kinoshita, and M. Takasaki, "Electrically active artificial pupil showing amoeba-like pseudopodial deformation," Advanced Materials, vol. 21, no. 28, 2009, DOI: 10.1002/adma.200802217.
- H. J. Koo and B. M. Lee, "Human monitoring of phthalates and risk assessment," Journal of Toxicology and Environmental Health, Part A, vol. 68, no. 16, pp.1379-1392, 2005, DOI: 10.1080/15287390590956506.
- S.-Y. Kim, M. Yeo, E.-J. Shin, W.-H. Park, J.-S. Jang, B.-U. Nam, and J. W. Bae, "Fabrication and evaluation of variable focus and large deformation plano-convex microlens based on non-ionic poly (vinyl chloride)/dibutyl adipate gels," Smart Materials and Structures, vol. 24, no. 11, 2015, [Online], https://iopscience.iop.org/article/10.1088/0964-1726/24/11/115006/meta.
- J. W. Bae, E.-J. Shin, J. Jeong, D.-S. Choi, J. E. Lee, B. U. Nam, L. Lin, and S.-Y. Kim, "High-performance PVC gel for adaptive micro-lenses with variable focal length," Scientific Reports, vol. 7, no. 1, 2017, DOI: 10.1038/s41598-017-02324-9.
- D.-S. Choi, J. Jeong, E.-J. Shin, and S.-Y. Kim, "Focus-tunable double convex lens based on non-ionic electroactive gel," Optics Express, vol. 25, no. 17, 2017, DOI: 10.1364/OE.25.020133.
- J. W. Bae, M. Yeo, E.-J. Shin, W.-H. Park, J. E. Lee, B.-U. Nam, and S.-Y. Kim, "Eco-friendly plasticized poly (vinyl chloride)-acetyl tributyl citrate gels for varifocal lens," RSC Advances, vol. 5, no. 115, 2015, DOI: 10.1039/C5RA15304B.
- W.-H. Park, J. W. Bae, E.-J. Shin, and S.-Y. Kim, "Development of a flexible and bendable vibrotactile actuator based on wave-shaped poly (vinyl chloride)/acetyl tributyl citrate gels for wearable electronic devices," Smart Materials and Structures, vol. 25, no. 11, 2016, [Online], https://iopscience.iop.org/article/10.1088/0964-1726/25/11/115020/meta.
- W.-H. Park, E.-J. Shin, S. Yun, and S.-Y. Kim, "An enhanced soft vibrotactile actuator based on ePVC gel with silicon dioxide nanoparticles," IEEE Transactions on Haptics, vol. 11, no. 1, pp. 22-29, 2018, DOI: 10.1109/TOH.2018.2808176.
- E.-J. Shin, W.-H. Park, and S.-Y. Kim, "Fabrication of a high-performance bending actuator made with a PVC gel," Applied Sciences, vol. 8, no. 8, 2018, DOI: 10.3390/app8081284.
- Cancer Research UK Cancer statistics reports for the UK 2003, [Online], https://www.cancerresearchuk.org/health-professional/cancer-statistics-for-the-uk, Accessed: January 01, 2015.
- Working with Solvents, [Online], https://www.hse.gov.uk/pubns/indg273.pdf?q=solvents.
- F D Dick, Solvent Neurotoxicity, DOI: 10.1136/oem.2005.022400.
- E.-J. Shin, G. Shimoga, W.-H. Park, and S.-Y. Kim, "Development of solvent-free green PVC gel based varifocal micro-lens," Smart Materials and Structures, vol. 29, no. 8, 2020, [Online], https://iopscience.iop.org/article/10.1088/1361-665X/ab9f1c/meta.