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Artificial intelligence (AI) is moving out of the cloud and into physical environments, and machines are now being asked to do much more than simply process data. They must perceive, understand, and interact with the real world in real time. Whether navigating a warehouse, monitoring occupancy inside a smart building, assisting healthcare professionals, or enabling […]

Astha Chaturvedi, a postdoctoral researcher at the University of Surrey, and colleagues recently put an ultrablack coating developed by spinout Surrey NanoSystems to the test by measuring  how it reflects light under a range of illumination and viewing conditions, and then simulated how a coated satellite within low Earth orbit (LEO) would appear to observatories

Electrical current shows sensitive response to relative optical phase One of the coolest aspects of this work for Gong was discovering just how sensitively the electrical current responds to the relative optical phase. Because the current is controlled by the relative phase between the two absorption pathways, a change in optical path length of only

By the time an optic failure appears in a high-power laser system, the root cause may have started much earlier—it’s not always a coating defect. Often, the issue begins with a mismatch between what the specification says and what the laser system needs. A mirror, window, or beamsplitter may meet the requested values for reflectivity,