Phys. Rev. A 63, 033802 (2001) [5 pages]

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

Abstract

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Y. Liu^1,4, M. Seminario², F. G. Tomasel², C. Chang^3,4, J. J. Rocca², and D. T. Attwood^1,3,4
¹Applied Science and Technology Graduate Program, University of California, Berkeley, California 94720
²Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, Colorado 80523
³Department of Electrical Engineering and Computer Science, University of California, Berkeley, California 94720
⁴Center for X-ray Optics, Lawrence Berkeley National Laboratory, Berkeley, California 94720

Received 21 July 2000; published 5 February 2001

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 2×10²⁵photons s^-1mm^-2mrad^-2 within 0.01% spectral bandwidth, making it one of the brightest soft-x-ray sources available.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.63.033802

DOI:

10.1103/PhysRevA.63.033802

PACS:

42.55.Vc

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Phys. Rev. A 63, 033802 (2001) [5 pages]

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