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Achievement of essentially full spatial coherence in a high-average-power soft-x-ray laser

Date

2001

Authors

Attwood, D. T., author
Rocca, Jorge J., author
Chang, C., author
Tomasel, F. G., author
Seminario, M., author
Liu, Y., author
American Physical Society, publisher

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Abstract

We report an observation of essentially full spatial coherence in a high average power soft-x-ray laser. Rapid coherence buildup due to strong refractive antiguiding in a long plasma column is experimentally demonstrated. This allows the generation of fully coherent, milliwatt-level average power soft-x-ray radiation by a tabletop device. The peak brightness of this laser reaches 2×1025 photons s-1 mm-2 mrad-2 within 0.01% spectral bandwidth, making it one of the brightest soft-x-ray sources available.

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