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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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Table-top femtosecond soft X-ray laser by collisional ionization gating

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Title
Table-top femtosecond soft X-ray laser by collisional ionization gating
Author(s)
Depresseux, A; Oliva, E; Gautier, J; Tissandier, F; Nejdl, J; Kozlova, M; Maynard, G; Goddet, JP; Tafzi, A; Lifschitz, A; Hyung Taek Kim; Jacquemot, S; Malka, V; Phuoc, KT; Thaury, C; Rousseau, P; Iaquaniello, G; Lefrou, T; Flacco, A; Vodungbo, B; Lambert, G; Rousse, A; Zeitoun, P; Sebban, S
Publication Date
2015-12
Journal
NATURE PHOTONICS, v.9, no.12, pp.817 - 821
Publisher
NATURE PUBLISHING GROUP
Abstract
The advent of X-ray free-electron lasers has granted researchers an unprecedented access to the ultrafast dynamics of matter on the nanometre scale(1-3). Aside from being compact, seeded plasma-based soft X-ray lasers (SXRLs) turn out to be enticing as photon-rich(4) sources (up to 10(15) per pulse) that display high-quality optical properties(5,6). Hitherto, the duration of these sources was limited to the picosecond range(7), which consequently restricts the field of applications. This bottleneck was overcome by gating the gain through ultrafast collisional ionization in a high-density plasma generated by an ultraintense infrared pulse (a few 10(18) W cm(-2)) guided in an optically pre-formed plasma waveguide. For electron densities that ranged from 3 x 10(18) cm(-3) to 1.2 x 10(20) cm(-3), the gain duration was measured to drop from 7 ps to an unprecedented value of about 450 fs, which paves the way to compact and ultrafast SXRL beams with performances previously only accessible in large-scale facilities
URI
https://pr.ibs.re.kr/handle/8788114/2382
ISSN
1749-4885
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
Files in This Item:
HTKIM_Femtosecond_XRL_Adrien_nphoton.2015.225.pdfDownload

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