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Structure and properties

Structure and properties

‘Coherent optical engineering’ turns opaque material temporarily transparent

28 Feb 2022 Isabelle Dumé
Photo of a laser illuminating a material inside a low-temperature chamber
Opaque to transparent: A strong laser illuminating a material in a low-temperature chamber. The laser changes the material's degree of transparency in a reversible way, without heating it. (Courtesy: Caltech/David Hsieh Laboratory)
Ultrashort pulses of light can dramatically alter the electronic and magnetic properties of certain

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