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Article
Open AccessNonlinear ionization dynamics of hot dense plasma observed in a laser-plasma amplifier
Understanding the behaviour of matter under conditions of extreme temperature, pressure, density and electromagnetic fields has profound effects on our understanding of cosmologic objects and the formation of ...
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Chapter and Conference Paper
Ptychography and Single-Shot Nanoscale Imaging with Plasma-Based Laser Sources
We report the direct wavefront characterization of an intense ultrafast high-harmonic seeded soft X-ray laser at 32.8 nm wavelength and monitor the exit of the laser plasma amplifier depending on the arrival t...
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Chapter and Conference Paper
User-Oriented High-Harmonic Source at ELI Beamlines
We present experimental setup for user-oriented high-harmonic source with a description of different focusing and interaction geometries. Infrared rejection system and resulting extreme ultraviolet beam charac...
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Article
Open AccessTunable High Spatio-Spectral Purity Undulator Radiation from a Transported Laser Plasma Accelerated Electron Beam
Undulator based synchrotron light sources and Free Electron Lasers (FELs) are valuable modern probes of matter with high temporal and spatial resolution. Laser Plasma Accelerators (LPAs), delivering GeV electr...
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Chapter and Conference Paper
Laser-Driven Plasma-Based Incoherent X-Ray Sources at PALS and ELI Beamlines
In this paper, we report on development of incoherent secondary sources at the Research Center and discuss the plan for the project. One of the approaches, how to generate ultrashort pulses of incoherent...
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Chapter and Conference Paper
Overview of Laser-Driven Coherent Short-Wavelength Sources at PALS and ELI Beamlines
Recent activities at PALS research centre dedicated to the development of coherent short-wavelength radiation sources are presented. The generation mechanisms discussed in this paper include and transient pl...
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Chapter and Conference Paper
Spectrally Resolved Spatial Interference for Single-Shot Temporal Metrology of Ultrashort Soft-X-Ray Pulses
Plasma-based soft-X-ray seeded by high harmonics have only been temporally characterized using streak cameras, with a 1-ps temporal resolution. However, theoretical and experimental studies showed that sub-p...
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Chapter and Conference Paper
Overview of Development of Laser Driven Secondary Sources at PALS and ELI
In this paper we report on development of the secondary X-ray sources at the PALS Centre and discuss the plan for the ELI Beamlines project. The spatial and temporal coherence of the most energetic quasi-stead...
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Article
Table-top femtosecond soft X-ray laser by collisional ionization gating
An improved table-top femtosecond soft X-ray laser with a gain duration of 450 fs is reported.
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Article
Open AccessDemonstration of relativistic electron beam focusing by a laser-plasma lens
Laser-plasma technology promises a drastic reduction of the size of high-energy electron accelerators. It could make free-electron lasers available to a broad scientific community and push further the limits o...
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Article
Towards enabling femtosecond helicity-dependent spectroscopy with high-harmonic sources
Recent advances in high-harmonic generation gave rise to soft X-ray pulses with higher intensity, shorter duration and higher photon energy. One of the remaining shortages of this source is its restriction to ...
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Article
Open AccessSpatial properties of odd and even low order harmonics generated in gas
High harmonic generation in gases is develo** rapidly as a soft X-ray femtosecond light-source for applications. This requires control over all the harmonics characteristics and in particular, spatial proper...
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Chapter and Conference Paper
Temporal Coherence and Spectral Linewidth of Neon-Like XUV Lasers Pumped in the Quasi-steady State Regime
We report recent experimental progress in the characterization of the temporal coherence and related spectral linewidth of plasma-based soft X-ray lasers (SXRL). New measurements were carried out with two type...
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Chapter and Conference Paper
High Density Optical-Field-Ionization Soft X-Ray Lasers
Generating an optical-field-ionization (OFI) collisional soft X-ray laser amplifier in a high density plasma would allow a significant increase of the saturation intensity, laser gain, and reduction of the emi...
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Chapter and Conference Paper
0.27 GW Soft X-Ray Pulse Using a Plasma-Based Amplification Chain
Seeding plasma-based soft-x-ray lasers (PBSXRL) with high order harmonics (HOH) has been demonstrated in plasmas created from gas targets (Zeitoun et al. in Nature 431:426, 2004) and solid targets (Wang et al. in...
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Article
A proposal for multi-tens of GW fully coherent femtosecond soft X-ray lasers
X-ray free-electron lasers1,2 delivering up to 1 × 1013 coherent photons in femtosecond pulses are bringing about a revolution in X-ray science3,4,5. However, some plasma-based soft X-ray lasers6 are attractive b...
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Article
All-optical Compton gamma-ray source
One of the major goals of research for laser-plasma accelerators1 is the realization of compact sources of femtosecond X-rays2,3,4. In particular, using the modest electron energies obtained with existing laser s...
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Article
Pump requirements for betatron-generated femtosecond X-ray laser at saturation from inner-shell transitions
We study pump requirements to produce femtosecond X-ray laser pulses at saturation from inner-shell transitions in the amplified spontaneous emission regime. Since laser-based betatron radiation is considered ...
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Chapter and Conference Paper
Characterization of a seeded optical-field ionized collisional soft x-ray laser
We report spatial and spectral characterization an optical-field-ionized high-order harmonic-seeded soft-x-ray laser showing. We show that it can be controlled between a regular Gaussian shape and a Bessel pro...
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Chapter and Conference Paper
An intense kHz and aberration-free two-colour high harmonic source for seeding FEL and XRL
Free-electron lasers (FEL) and soft X-ray lasers (SXRL) have been recently evolving very fast in the extreme-ultraviolet to soft X-ray region. Once seeded with high harmonics (HH), these light sources deliver ...
