Year: 2025
Type: article
Abstract: Microlens arrays (MLAs) are essential for light collection, extraction, and high-resolution imaging. However, most reported MLAs have a limited filling factor. Here, we demonstrate MLAs using three different UV-curing optical adhesives based on the electrohydrodynamic inkjet (E-jet) printing technique. The highest filling factor of 89.91% is achieved. By controlling the curvature of the microlens via the surface treatment of the substrate, a series of MLAs with different numerical apertures can be obtained. With the high-consistency printing technique, the demonstrated high filling factor MLAs could be potentially useful to improve the performance of optical imaging and sensing systems.
Source: Photonics
Authors: Linkun Zhong, Weixuan Liu, Hongbo Gong, Ye Li, Xueqian Zhao, Delai Kong, Qingguo Du, Bing Xu, Xiaoli Zhang, Yan Jun Liu
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,896
Funders: National Natural Science Foundation of China, Science, Technology and Innovation Commission of Shenzhen Municipality, Development and Reform Commission of Shenzhen Municipality, Southern University of Science and Technology, National Key Research and Development Program of China, Basic and Applied Basic Research Foundation of Guangdong Province, Division of Graduate Education
Awards: G1012922160, G1464887271, G1529687133, G1630374893, G1644605477, G165416265, G1880012582, G2408448451, G278494070, G2803729951, G28222325, G2993787127, G316663879, G3438595416, G3849323445, G3935801025, G3961661214, G4078701312, G4248241131, G4296565878, G4472790507, G4725951248, G4846407513, G4987435831, G5024242846, G5174812940, G564836326, G576661204, G5908285443, G6161651739, G6409370394, G6547691876, G7021448703, G719478410, G7408230714, G7647777557, G7842282337, G8240692884, G8262863670, G8324353743, G8385220784, G8489080579, G880064292, G8821948358, G8892798609, G974779977
OpenAlex ID: W4410098757