Abstract
The authors developed a technique to encapsulate poly-N-isopropylacrylamide (PNIPAAm) for fabrication of monodisperse microcapsules, whose size, embedding efficiency, and wall thickness are controllable. The monodisperse microcapsules were hexagonally packed to form microlens array (MLA) via a self-assembly process. Due to the thermal respondence of PNIPAAm, the imaging capability and light transportation of the MLA were simply controlled by temperature.
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