Bright quasi-phase-matched soft-x-ray harmonic radiation from argon ions

Matthew Zepf; Brendan Dromey; M. Landreman; P. Foster; S.M. Hooker

doi:10.1103/PhysRevLett.99.143901

Bright quasi-phase-matched soft-x-ray harmonic radiation from argon ions

Matthew Zepf, Brendan Dromey, M. Landreman, P. Foster, S.M. Hooker

Research output: Contribution to journal › Article › peer-review

129 Citations (Scopus)

Abstract

Selective enhancement (> 10(3)) of harmonics extending to the water window (similar to 4 nm) generated in an argon gas filled straight bore capillary waveguide is demonstrated. This enhancement is in good agreement with modeling which indicates that multimode quasi-phase-matching is achieved by rapid axial intensity modulations caused by beating between the fundamental and higher-order capillary modes. Substantial pulse energies (> 10 nJ per pulse per harmonic order) at wavelengths beyond the carbon K edge (similar to 4.37 nm, similar to 284 eV) up to similar to 360 eV are observed from argon ions for the first time.

Original language	English
Article number	143901
Journal	Physical Review Letters
Volume	99
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.99.143901
Publication status	Published - 01 Oct 2007

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.99.143901

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abstract = "Selective enhancement (> 10(3)) of harmonics extending to the water window (similar to 4 nm) generated in an argon gas filled straight bore capillary waveguide is demonstrated. This enhancement is in good agreement with modeling which indicates that multimode quasi-phase-matching is achieved by rapid axial intensity modulations caused by beating between the fundamental and higher-order capillary modes. Substantial pulse energies (> 10 nJ per pulse per harmonic order) at wavelengths beyond the carbon K edge (similar to 4.37 nm, similar to 284 eV) up to similar to 360 eV are observed from argon ions for the first time.",

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AU - Hooker, S.M.

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AB - Selective enhancement (> 10(3)) of harmonics extending to the water window (similar to 4 nm) generated in an argon gas filled straight bore capillary waveguide is demonstrated. This enhancement is in good agreement with modeling which indicates that multimode quasi-phase-matching is achieved by rapid axial intensity modulations caused by beating between the fundamental and higher-order capillary modes. Substantial pulse energies (> 10 nJ per pulse per harmonic order) at wavelengths beyond the carbon K edge (similar to 4.37 nm, similar to 284 eV) up to similar to 360 eV are observed from argon ions for the first time.

U2 - 10.1103/PhysRevLett.99.143901

DO - 10.1103/PhysRevLett.99.143901

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Bright quasi-phase-matched soft-x-ray harmonic radiation from argon ions

Abstract

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