The propagation of an annular beam in space. The highlighted region indicates where a mirror should be placed to efficiently separate the attosecond pulses from the generating laser beam. (IMAGE)

Ultrafast Science

The propagation of an annular beam in space. The highlighted region indicates where a mirror should be placed to efficiently separate the attosecond pulses from the generating laser beam.

Caption

The propagation of an annular beam in space. The highlighted region indicates where a mirror should be placed to efficiently separate the attosecond pulses from the generating laser beam.

Credit

Ultrafast Science

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