Near-Field Spatial Imaging and Time-Resolved Measurements of the Ni-like Palladium Soft X-Ray Laser

Braud, M.; Siegel, Ch.; Balmer, J. E.; Nilsen, Joseph

doi:10.1063/1.1521013

Cited by 3 publications

(1 citation statement)

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“…It is beyond the scope of this work to go into further detail here other than to recognize the onset of the effect. This area has been reported extensively in the literature [20,18] and has been determined in other recent x-ray laser experimental data [12]. We utilize the 20 % increase in broadening as the threshold (5.66 ps for this set of data) which corresponds to 19000 a.u.…”

Section: X-ray Streak Camera Characterizationmentioning

confidence: 93%

Temporal characterization of a picosecond-laser-pumped x-ray laser for applications

et al. 2003

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Compact soft x-ray laser sources are now used routinely for various applications primarily because of their high repetition rate, high photon fluence and short pulse duration characteristics. For some of these applications, for example interferometry of high density laser-produced plasmas, longer optical drive pulses, 6-13 ps (FWHM), have been implemented to maximize the x-ray output and coherence. It is therefore important to know the x-ray laser pulse length, shape and repeatability for these specific experiments as a baseline measurement but also to better understand the temporal behavior as a function of the pumping conditions in general. We report a detailed temporal characterization of the picosecond-driven 14.7 nm Ni-like Pd ion x-ray laser on the Compact Multipulse Terawatt (COMET) laser at LLNL using an ultrafast x-ray streak camera measurement of a horizontal slice of the near-field x-ray laser pattern. This is measured as a function of the chirped pulse amplification pumping laser conditions, including varying the pump pulse from 0.5-27 ps (FWHM), varying the plasma column length as well as investigating traveling wave (TW) and non-TW irradiation conditions.

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Section: X-ray Streak Camera Characterizationmentioning

confidence: 93%