| 초록 |
Adaptive focus-tunable microlenses driven by various stimuli have received considerable attention to miniaturize conventional optical systems. Emerging liquid-based microlenses have been widely investigated in space-constrained applications including cellphone cameras and webcams. However, these technologies rely on the movement of fluid, which can be subject to external disturbances and fluidic leakages during the operations. In this study, we developed the electro-responsive non-ionic high-molecular-weighted polyvinyl chloride gel, neither liquid nor solid, which induce the intensive and reversible volume change in response to electrostatic adhesive force from the external electrical stimuli, resulting in the considerable achievement of a novel adaptive focus-variable microlenses. So, it is expected to open up new perspectives on practical tunable optics in various devices. |
