Plasma fluctuations and x-ray laser transverse coherence

The effect of plasma fluctuations on transverse spatial coherence of x-ray lasers is investigated. Hose type (random) transverse displacements of the x-ray lasing medium induced by pump-laser nonuniformities are considered in detail. Such displacements lead to decreased transverse coherence via redu...

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Veröffentlicht in:	Physical Review A 1996-01, Vol.53 (1), p.R23-R26
Hauptverfasser:	Amendt, P, Strauss, M, London, RA
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION COHERENT RADIATION COUPLING ENGINEERING NOT INCLUDED IN OTHER CATEGORIES FLUCTUATIONS GAIN PLASMA INSTABILITY SELENIUM X-RAY LASERS
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Beschreibung
Zusammenfassung:	The effect of plasma fluctuations on transverse spatial coherence of x-ray lasers is investigated. Hose type (random) transverse displacements of the x-ray lasing medium induced by pump-laser nonuniformities are considered in detail. Such displacements lead to decreased transverse coherence via reduced gain discrimination from mode coupling. This effect may be related to a previously reported insensitivity of transverse coherence to laser length in neonlike selenium at 206 and 210 A [Trebes {ital et} {ital al}., Phys. Rev. Lett. {bold 68}, 588 (1992)].
ISSN:	1050-2947 1094-1622
DOI:	10.1103/physreva.53.r23