Conventional wide-field-of-view cameras consist of multi-lens optics and flat image sensor arrays, which makes them bulky and heavy. As a result, they are poorly suited to advanced mobile applications such as drones and autonomous vehicles. In nature, the eyes of aquatic animals consist of a single spherical lens and a highly sensitive hemispherical retina, an approach that could be beneficial in the development of synthetic wide-field-of-view imaging systems. Here, we report an aquatic-vision-inspired camera that consists of a single monocentric lens and a hemispherical silicon nanorod photodiode array. The imaging system features a wide field of view, miniaturized design, low optical aberration, deep depth of field and simple visual accommodation. Furthermore, under vignetting, the photodiode array enables high-quality panoramic imaging due to the enhanced photodetection properties of the silicon nanorod photodiodes.
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The data that support the plots within this paper and other findings of this study are available from the corresponding author upon reasonable request.
The source codes for Matlab are available from the corresponding authors upon request.
Floreano, D. & Wood, R. J. Science, technology and the future of small autonomous drones. Nature 521, 460–466 (2015).
Jang, H. S. et al. A bezel-less tetrahedral image sensor formed by solvent-assisted plasticization and transformation of an acrylonitrile butadiene styrene framework. Adv. Mater. 30, 1801256 (2018).
Lee, G. J., Choi, C., Kim, D.-H. & Song, Y. M. Bioinspired artificial eyes: optic components, digital cameras and visual prostheses. Adv. Funct. Mater. 28, 1705202 (2018).
Chung, T. et al. Mining the smartness of insect ultrastructures for advanced imaging and illumination. Adv. Funct. Mater. 28, 1705912 (2018).
Lee, G. J., Nam, W. I. & Song, Y. M. Robustness of an artificially tailored fisheye imaging system with a curvilinear image surface. Opt. Laser Technol. 96, 50–57 (2017).
Zhou, F. et al. Optoelectronic resistive random access memory for neuromorphic vision sensors. Nat. Nanotechnol. 14, 776–782 (2019).
Lee, W. et al. Two-dimensional materials in functional three-dimensional architectures with applications in photodetection and imaging. Nat. Commun. 9, 1417 (2018).
Tsai, W.-L. et al. Band tunable microcavity perovskite artificial human photoreceptors. Adv. Mater. 31, 1900231 (2019).
Choi, C. et al. Human eye-inspired soft optoelectronic device using high-density MoS2–graphene curved image sensor array. Nat. Commun. 8, 1664 (2017).
Zhang, K. et al. Origami silicon optoelectronics for hemispherical electronic eye systems. Nat. Commun. 8, 1782 (2017).
Ko, H. C. et al. A hemispherical electronic eye camera based on compressible silicon optoelectronics. Nature 454, 748–753 (2008).
Artal, P. Optics of the eye and its impact in vision: a tutorial. Adv. Opt. Photon. 6, 340–367 (2014).
Song, Y. M. et al. Digital cameras with designs inspired by the arthropod eye. Nature 497, 95–99 (2013).
Floreano, D. et al. Miniature curved artificial compound eyes. Proc. Natl Acad. Sci. USA 110, 9267–9272 (2013).
Jeong, K.-H., Kim, J. & Lee, L. P. Biologically inspired artificial compound eyes. Science 312, 557–561 (2006).
Huang, C.-C. et al. Large-field-of-view wide-spectrum artificial reflecting superposition compound eyes. Small 10, 3050–3057 (2014).
Jagger, W. S. & Sands, P. J. A wide-angle gradient index optical model of the crystalline lens and eye of the rainbow trout. Vis. Res. 36, 2623–2639 (1996).
Jagger, W. S. & Sands, P. J. A wide-angle gradient index optical model of the crystalline lens and eye of the octopus. Vis. Res. 39, 2841–2852 (1999).
Mass, A. M. & Supin, A. Y. Adaptive features of aquatic mammals’ eye. Anat. Rec. 290, 701–715 (2007).
Charman, W. N. & Tucker, J. The optical system of the goldfish eye. Vis. Res. 13, 1–8 (1973).
Ott, M. Visual accommodation in vertebrates: mechanisms, physiological response and stimuli. J. Comp. Physiol. A 192, 97–111 (2006).
Wagner, H.-J., Frohlich, E., Negishi, K. & Collin, S. P. The eyes of deep-sea fish. II. Functional morphology of the retina. Prog. Retin. Eye Res. 17, 637–685 (1998).
Partridge, J. C., Archer, S. N. & Lythgoe, J. N. Visual pigments in the individual rods of deep-sea fishes. J. Comp. Physiol. A 162, 543–550 (1988).
Wu, T. et al. Design and fabrication of silicon-tessellated structures for monocentric imagers. Microsyst. Nanoeng. 2, 16019 (2016).
Liu, H. W., Huang, Y. & Jiang, H. Artificial eye for scotopic vision with bioinspired all-optical photosensitivity enhancer. Proc. Natl Acad. Sci. USA 113, 3982–3985 (2016).
Zukauskas, A. et al. Tuning the refractive index in 3D direct laser writing lithography: towards GRIN microoptics. Laser Photon. Rev. 9, 706–712 (2015).
Yu, N. & Capasso, F. Flat optics with designer metasurfaces. Nat. Mater. 13, 139–150 (2014).
Steel, W. H. On the choice of glasses for cemented achromatic aplanatic doublets. Aust. J. Phys. 7, 244–253 (1954).
Lee, W. et al. High-resolution spin-on-patterning of perovskite thin films for a multiplexed image sensor array. Adv. Mater. 29, 1702902 (2017).
Sim, K. et al. Three-dimensional curvy electronics created using conformal additive stamp printing. Nat. Electron. 2, 471–479 (2019).
Shin, G. et al. Micromechanics and advances designs for curved photodetector arrays in hemispherical electronic-eye cameras. Small 6, 851–856 (2010).
Huang, Z. et al. Three-dimensional integrated stretchable electronics. Nat. Electron. 1, 473–480 (2018).
Park, S.-I. et al. Theoretical and experimental studies of bending of inorganic electronic materials on plastic substrates. Adv. Funct. Mater. 18, 2673–2684 (2008).
Choi, M. K. et al. Wearable red-green-blue quantum dot light-emitting diode array using high-resolution intaglio transfer printing. Nat. Commun. 6, 7149 (2015).
Kim, J. et al. Stretchable silicon nanoribbon electronics for skin prosthesis. Nat. Commun. 5, 5747 (2014).
Rim, S.-B., Catrysse, P. B., Dinyari, R., Huang, K. & Peumans, P. The optical advantages of curved focal plane arrays. Opt. Express 16, 4965–4971 (2008).
Sheng, X., Johnson, S. G., Michel, J. & Kimerling, L. C. Optimization-based design of surface textures for thin-film Si solar cells. Opt. Express 19, A841–A850 (2011).
Sheng, X. et al. Printing-based assembly of quadruple-junction four-terminal microscale solar cells and their use in high-efficiency modules. Nat. Mater. 13, 593–598 (2014).
Hoang, N.-V. et al. Giant enhancement of luminescence down-shifting by a doubly resonant rare-earth-doped photonic metastructure. ACS Photonics 4, 1705–1712 (2017).
Savin, H. et al. Black silicon solar cells with interdigitated back-contacts achieve 22.1% efficiency. Nat. Nanotechnol. 10, 624–628 (2015).
Gao, Y. et al. Photon-trapping microstructures enable high-speed high-efficiency silicon photodiodes. Nat. Photon. 11, 301–308 (2017).
Lucovsky, G., Schwarz, R. F. & Emmons, R. B. Transit‐time considerations in p–i–n diodes. J. Appl. Phys. 35, 622–628 (1964).
Kyomasu, Mikio Development of an integrated high speed silicon PIN photodiode sensor. IEEE Trans. Electron Devices 42, 1093–1099 (1995).
Gao, M., Cho, M., Han, H.-J., Jung, Y. S. & Park, I. Palladium-decorated silicon nanomesh fabricated by nanosphere lithography for high performance, room temperature hydrogen sensing. Small 14, 1703691 (2018).
This research was supported by the Institute for Basic Science (IBS-R006-A1). This research was also supported by the National Research Foundation (NRF) of Korea (2017M3D1A1039288/2018R1A4A1025623).
The authors declare no competing interests.
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Kim, M.S., Lee, G.J., Choi, C. et al. An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array. Nat Electron 3, 546–553 (2020). https://doi.org/10.1038/s41928-020-0429-5
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