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3D-Printed Photodetectors Could Be Basis for 'Bionic Eye'

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A University of Minnesota research team has 3D-printed an array of light receptors on a hemispherical surface, in a first step toward creating a “bionic eye” that could someday help blind people see or sighted people see better. Using their custom-built 3D printer, the researchers started with a base ink of silver particles. The ink, when dispensed on the surface of a hemispherical glass dome, stayed in place and dried uniformly instead of running down the curved surface. The researchers then used semiconducting polymer materials to 3D-print photodiodes, which convert light...Read full article

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    Published: August 2018
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    3d printing
    3D printing, also known as additive manufacturing (AM), is a manufacturing process that builds three-dimensional objects layer by layer from a digital model. This technology allows the creation of complex and customized structures that would be challenging or impossible with traditional manufacturing methods. The process typically involves the following key steps: Digital design: A three-dimensional digital model of the object is created using computer-aided design (CAD) software. This...
    ophthalmology
    Ophthalmology is a branch of medicine that focuses on the anatomy, physiology, and diseases of the eyes and visual system. Ophthalmologists are medical doctors who specialize in the diagnosis, treatment, and prevention of eye disorders and diseases. They are trained to provide comprehensive eye care, including medical, surgical, and optical interventions. Key areas within ophthalmology include: General eye care: Ophthalmologists perform routine eye examinations to assess visual acuity,...
    Research & TechnologyAmericaseducationUniversity of MinnesotaLight SourcesMaterialsOpticsoptoelectronicsphotodetectorsphotodiodes3d printingbionic eyeophthalmologymedicalBiophotonicssemiconductorsBioScan

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