ArticleBody:A team of physicists collaborating between the University of Amsterdam and Stanford University combined the lighthouse engineering theory and electrostatically bound “excitons” to build the world’s thinnest lens. At 0.
Because the material is so small, however, the negatively charged electron and the positively charged space it leaves behind become bound into an atomic lattice through electrostatic attraction. These structures are known as “excitons” and only exist briefly before the electron and positive hole remerge, efficiently emitting light in the process.
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