Measurement of the spatial coherence of a soft-x-ray laser
- 3 February 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 68 (5) , 588-591
- https://doi.org/10.1103/physrevlett.68.588
Abstract
The spatial coherence of a neonlike selenium x-ray laser operating at 206 and 210 Å has been measured using a technique based on partially coherent x-ray diffraction. The time-integrated spatial coherence of the selenium x-ray laser was determined to be equivalent to that of a quasimonochromatic spatially incoherent disk source whose diameter is comparable to the line focus of the visible-light laser pumping the x-ray laser. The spatial coherence was improved by narrowing the line focus width.Keywords
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