Fabrication of polymer compound microlens by lens-on-lens microstructures |
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| Authors: | Zehua Xia Yan Li Xiaoya Su Yanhua Han Zhongyi Guo Jianmin Gao Qiaoqun Sun Shiliang Qu |
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| Institution: | 1. Department of Optoelectronics Science, Harbin Institute of Technology, Weihai, China;2. School of Computer and Information, Hefei University of Technology, Hefei, China;3. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China;4. College of Power and Energy Engineering, Harbin Engineering University, Harbin, China |
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| Abstract: | We proposed a novel method for fabricating polymer compound microlenses (PCMLs) using micro-inkjet technique and subsequent curing process. Two different types of PCMLs with sandwich microstructure (PDMS-Glycerol-PDMS), concave and convex PCMLs, have been designed and fabricated in experiments. Convex PCML has two real images and two foci. The concave PCML has one real and one virtual focal planes, which can generate one real image and one virtual image respectively. Moreover, the diameter of concave PCML can be controlled by adjusting the curing time and temperature. The proposed method is simple, efficient and suitable for realizing large-scale high numerical aperture PCMLs array, which has potential applications in diverse optical systems such as optical storage and three-dimensional imaging. |
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| Keywords: | Polymer compound microlens Multilayer structure Microstructure |
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