Two-Color Soft X-Ray Lasing in a High-Density Nickel-like Krypton Plasma

We report evidence of strong lasing on the 4p-4s transition at 62.7 nm in nickel-like krypton occurring simultaneously with the usual 4d-4p lasing at 32.8 nm. The gain dynamics of both transitions were experimentally and numerically investigated and found comparable. The two-color amplifier was seed...

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Bibliographic Details
Published in:Physical review letters 2020-04, Vol.124 (13), p.133902-133902, Article 133902
Main Authors: Tissandier, F, Gautier, J, Goddet, J-P, Kabacinski, A, Sebban, S, Nejdl, J, Kozlová, M, Maynard, G
Format: Article
Language:English
Subjects:
Atomic Physics
Color
Krypton
Lasing
Nickel
Optics
Physics
Plasma Physics
Soft x rays
X ray lasers
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Summary:We report evidence of strong lasing on the 4p-4s transition at 62.7 nm in nickel-like krypton occurring simultaneously with the usual 4d-4p lasing at 32.8 nm. The gain dynamics of both transitions were experimentally and numerically investigated and found comparable. The two-color amplifier was seeded by the same harmonic pulse, therefore producing a short-duration coherent two-color soft x-ray laser pulse. Both transitions offer similar prospects of pulse energy and duration and could lead to the delivery of intense and ultrashort two-color coherent soft x-ray pulses with a controllable delay.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.124.133902