11/11/2022 0 Comments Vray rhino human eye lens width![]() Robustness of an artificially tailored fisheye imaging system with a curvilinear image surface. Paraboloid electronic eye cameras using deformable arrays of photodetectors in hexagonal mesh layouts. Jung, I., Shin, G., Malyarchuk, V., Ha, J. Curved CCD detector devices and arrays for multispectral astrophysical applications and terrestrial stereo panoramic cameras. The optical advantages of curved focal plane arrays. Parametric optimization of lateral NIPIN phototransistors for flexible image sensors. High-resolution spin-on-patterning of perovskite thin films for a multiplexed image sensor array. Low-power monolithically stacked organic photodiode-blocking diode imager by turn-on voltage engineering. Adaptive optoelectronic camouflage systems with designs inspired by cephalopod skins. Rapid prototyping of microfluidic systems in poly(dimethylsiloxane). Controlled buckling of semiconductor nanoribbons for stretchable electronics. ![]() Assembly of micro/nanomaterials into complex, three-dimensional architectures by compressive buckling. ![]() Assembly and applications of 3D conformal electronics on curvilinear surfaces. Design of hierarchically cut hinges for highly stretchable and reconfigurable metamaterials with enhanced strength. Micromechanics and advanced designs for curved photodetector arrays in hemispherical electronic-eye cameras. Materials and noncoplanar mesh designs for integrated circuits with linear elastic responses to extreme mechanical deformations. Materials and structures toward soft electronics. A mechanically driven form of kirigami as a route to 3D mesostructures in micro/nanomembranes. Engineering the shape and structure of materials by fractal cut. Programming shape using kirigami tessellations. Kirigami-inspired nanoconfined polymer conducting nanosheets with 2,000% stretchability. ![]() Guan, Y.-S., Zhang, Z., Tang, Y., Yin, J. Two-dimensional materials in functional three-dimensional architectures with applications in photodetection and imaging. Dynamically tunable hemispherical electronic eye camera system with adjustable zoom capability. Three-dimensional curvy electronics created using conformal additive stamp printing. From 2D to 3D: strain- and elongation-free topological transformations of optoelectronic circuits. Highly curved image sensors: a practical approach for improved optical performance. ![]() Design and fabrication of silicon-tessellated structures for monocentric imagers. Origami silicon optoelectronics for hemispherical electronic eye systems. A biomimetic eye with a hemispherical perovskite nanowire array retina. Miniature curved artificial compound eyes. An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array. A hemispherical electronic eye camera based on compressible silicon optoelectronics. Digital cameras with designs inspired by the arthropod eye. 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. 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. 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. 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. Existing curvy imagers are either flexible but not compatible with tunable focal surfaces, or stretchable but with low resolution and pixel fill factors. Curvy imagers that can adjust their shape are of use in imaging applications that require low optical aberration and tunable focusing power. ![]()
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