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Hot-electron-pumped K-shell X-ray laser (1998)

Chukhovskii, F. N. ; Gibbon, P. ; Uschmann, I. ; [et al.]

Springer

JETP letters 67 (1998), S. 814-819

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ISSN: 1090-6487

Keywords: 42.55.Vc ; 42.60.By

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Amplified spontaneous inner-shell emission produced via an ultrafast burst of high-energy electrons from a femtosecond laser-produced plasma is proposed as a novel electron-pumped x-ray laser. In this scheme, a population inversion of the upper laser level is created via impact ionization of atomic inner shells by electron bombardment. Based on the requirement of a positive gain coefficient for amplifying spontaneous K α line emission, a simple pumping threshold is found for the incident electron flux, and feasibility of the scheme is assessed for a range of low-Z elements.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1134/1.567754

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