A lens-free system produces sharp mid-infrared images even in low light and over long distances, creating new opportunities ...
Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors ...
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Ancient 4th-century pinhole concept reimagined in lens-free infrared camera design
Pinhole imaging, first described by philosopher Mozi in the 4th century BC, offered unlimited depth and no distortion. This modern adaptation extends those benefits into the mid-infrared range, where ...
Researchers have developed the centuries-old idea of pinhole imaging with a modern twist to create a high-performance system for converting middle-infrared light into visible light, all ...
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600 year old pinhole camera in Indian temple: How ancient architects built it centuries before modern optics
India is a land of incredible temples, and each has its own unique story, architecture, and cultural importance. Some temples are known for their sheer size and grandeur, while others fascinate ...
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