Near-infrared spectroscopy, or fNIRS, offers a way to monitor brain activity without surgery or radiation by tracking changes in blood flow and oxygenation. Light sources placed on the scalp send near ...
Ultraviolet light that fits on a chip 'Sidewall-poled' lithium niobate device paves way for compact UV sources. (Nanowerk News) Ultraviolet light, beyond its natural ...
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