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
A laser-driven “optical pinhole” unlocks distortion-free mid-infrared imaging for night vision and environmental monitoring.
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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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