Laser material processing uses high-intensity light beams in material fabrication. This can include cutting, engraving, drilling or welding metals. It can also include cleaning materials with lasers.

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Semiconductor lasers use the optical properties of semiconducting materials to produce coherent light. Electrons and their positive-charge counterpart called holes are injected into an optically ...

Laser eye surgery uses a laser to change the shape of the cornea to help improve vision. You need to rest and avoid getting water in your eye for at least 24 hours after surgery. Laser eye surgery ...