Scientists could soon probe the secrets of the smallest particles in the world in more detail than ever before following a major upgrade of the most powerful laser of its kind in the world. The U.S.

Laser linewidth measures how precisely a beam of light maintains its frequency and color purity. The narrower the linewidth, the more monochromatic and spectrally pure the laser. The team's ...

Schematic of a plasma wakefield accelerator using optical laser beams and electron driver, escort, and witness beams for generating bright, coherent X-ray laser beams with attosecond duration and ...

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