Curvy imagers that can adjust their shape are of use in imaging applications that require low optical aberration and tunable focusing power. Existing curvy imagers are either flexible but not compatible with tunable focal surfaces, or stretchable but with low resolution and pixel fill factors. Here, we show that curvy and shape-adaptive imagers with high pixel fill factors can be created by transferring an array of ultrathin silicon optoelectronic pixels with a kirigami design onto curvy surfaces using conformal additive stamp printing. An imager with a 32 × 32-pixel array exhibits a fill factor, before stretching, of 78% and can maintain its electrical performance under 30% biaxial strain. We also develop an adaptive imager that can achieve focused views of objects at different distances by combining a concave-shaped imager printed on a magnetic rubber composite with a tunable lens. Adaptive optical focus is achieved by tuning both the focal length of the lens and the curvature of the imager, allowing far and near objects to be imaged with low aberration.

可以调整其形状的弯曲成像仪可用于需要低光学像差和可调聚焦能力的成像应用。现有的弯曲成像仪要么灵活但与可调焦面不兼容，要么可拉伸但分辨率和像素填充因子低。在这里，我们展示了具有高像素填充因子的弯曲和形状自适应成像器可以通过使用保形添加印章印刷将具有剪纸设计的超薄硅光电像素阵列转移到弯​​曲表面上来创建。具有 32 × 32 像素阵列的成像器在拉伸前的填充因子为 78%，并且可以在 30% 双轴应变下保持其电气性能。我们还开发了一种自适应成像器，通过将印刷在磁性橡胶复合材料上的凹形成像器与可调透镜相结合，可以实现不同距离物体的聚焦视图。自适应光学聚焦是通过调整镜头的焦距和成像器的曲率来实现的，允许远近物体以低像差成像。