Self-photopumped x-ray lasers from elements in the Ne-like and Ni-like ionization state

Siegrist, Michael; Staub, Felix; Jia, Fei; Feurer, Thomas; Balmer, Jurg; Nilsen, Joseph

doi:10.1016/j.optcom.2016.07.084

Title: Self-photopumped x-ray lasers from elements in the Ne-like and Ni-like ionization state

Journal Article · Thu Aug 11 00:00:00 EDT 2016 · Optics Communications

DOI:https://doi.org/10.1016/j.optcom.2016.07.084· OSTI ID:1438654

Siegrist, Michael ^[1]; Staub, Felix ^[1]; Jia, Fei ^[1]; Feurer, Thomas ^[1]; Balmer, Jurg ^[1]; Nilsen, Joseph ^[2]

Univ. of Bern (Switzerland). Inst. of Applied Physics
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

In this paper, we report on experiments on the self-photopumped 3d ¹P₁→3p ¹P₁ and 4f ¹P₁→4d ¹P₁ laser transitions in Ne-like and Ni-like ions, respectively. Lasing on the self-photopumped laser line has been observed for the first time for a number of elements including Ne-like V, Cr, Fe, and Co as well as Ni-like Ru and Pd. We have investigated the lasing process by varying the prepulse delay, which shows a shift of the optimum main pulse to second prepulse delays towards lower values with higher atomic number Z. Time-resolved measurements showed that self-photopumped and monopole collision-pumped lasing emission occurs essentially simultaneously. Finally, accurate wavelength measurements and calculations are shown to be in excellent agreement.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Univ. of Bern (Switzerland)

Sponsoring Organization:: USDOE; Swiss National Science Foundation (SNSF)

Grant/Contract Number:: AC52-07NA27344; 200020_144380

OSTI ID:: 1438654

Alternate ID(s):: OSTI ID: 1433393

Report Number(s):: LLNL-JRNL-694268

Journal Information:: Optics Communications, Vol. 382; ISSN 0030-4018

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 3 works

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References (20)

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