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Most laser sources produce Gaussian beams that diverge as they propagate. This natural spreading limits their effectiveness in applications that require light to remain concentrated over long ...

Muon beams can now be created in a device that is the length of a ruler. Researchers at Berkeley Lab presented a foot-long (30 cm) compact laser-plasma accelerator (LPA) that can generate and detect ...

Scientists have demonstrated a sort of holographic strip that splits a single laser beam into five bespoke beams that create an optical knot. The work shows that optical knots could be used as a ...