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Each successive generation of x-ray machines has opened up new frontiers in science, such as the first radiographs and the determination of the structure of DNA. State-of-the-art x-ray sources can now produce coherent high brightness keV…

X-ray free-electron lasers are large and complex machines, limited by electron beam brightness. Here we show through start-to-end simulations how to realise compact, robust and tunable X-ray lasers in the water window, based on ultra-bright…

We seek clarification of the nature of X-ray sources detected in M 31. Here we focus on CXOM31 J004253.1+411422, the brightness of which suggests that it belongs to the class of ultraluminous X-ray sources. We determine the X-ray properties…

High Energy Astrophysical Phenomena · Physics 2015-05-30 A. Kaur , M. Henze , F. Haberl , W. Pietsch , J. Greiner , A. Rau , D. H. Hartmann , G. Sala , M. Hernanz

Many experiments in biological and medical sciences currently use multiphoton microscopy as a core imaging technique. To date, solid-state lasers are most commonly used as excitation beam sources. However, the most demanding applications…

X-ray calorimeters routinely achieve very high spectral resolution, typically a few eV full width at half maximum (FWHM). Measurements of calorimeter line shapes are usually dominated by the natural linewidth of most laboratory calibration…

Instrumentation and Methods for Astrophysics · Physics 2020-08-17 M. A. Leutenegger , M. E. Eckart , S. J. Moseley , S. O. Rohrbach , J. K. Black , M. P. Chiao , R. L. Kelley , C. A. Kilbourne , F. S. Porter

We present multi-color imaging by stimulated Raman scattering (SRS) enabled by an ultrafast fiber-based light source with integrated amplitude modulation and frame-to-frame wavelength tuning. With a relative intensity noise level of -153.7…

Bright sources of high-energy X-rays and electrons are indispensable tools in advanced imaging. Yet, current laser-driven systems typically support only single-modality imaging, require complex infrastructure, or operate at low repetition…

Since its first successful applications in the early 2000s, x-ray Thomson scattering (XRTS) has emerged as one of the most successful tools for the diagnostics of extreme states of matter in the laboratory. By sampling the dynamic structure…

Plasma Physics · Physics 2026-04-28 Tobias Dornheim , Hannah Bellenbaum , Thomas Gawne , Jan Vorberger , Dirk O. Gericke

A proposal for a novel source of isolated attosecond XUV -- soft X-ray pulses with a well controlled carrier-envelope phase difference (CEP) is presented in the framework of nonlinear Thomson-backscattering. Based on the analytic solution…

Atomic Physics · Physics 2019-05-07 Szabolcs Hack , Sándor Varró , Attila Czirják

The outstanding design feature of an XPS microprobe Quantum 2000 is the double focussing ellipsoidally shaped quartz monochromator of the X-ray source. This device monochromatizes the Alk{\alpha} radiation and refocuses the X-rays from the…

Instrumentation and Detectors · Physics 2014-04-23 U. Scheithauer

X-ray free electron lasers (XFELs) are the new generation of particle accelerator-based light sources, capable of producing tunable, high-power X-ray pulses that are increasingly vital across various scientific disciplines. Recently,…

Accelerator Physics · Physics 2025-02-03 Liuyang Wu , Zihan Zhu , Bingyang Yan , Jiawei Yan , Haixiao Deng

In nonlinear Thomson scattering, a relativistic electron reflects and re-radiates the photons of a laser pulse, converting optical light to x rays or beyond. While this extreme frequency conversion offers a promising source for probing…

Sub-femtosecond x-ray burst is powerful tool for probing and imaging electronic and concomitant atomic motion in attosecond physics. For years, x-ray source (above 2 keV) had mainly been obtained from X-ray free electron laser (XFEL) or…

Betatron x-ray source from laser plasma interaction combines high brightness, few femtosecond duration and broad band energy spectrum. However, despite these unique features the Betatron source has a crippling drawback preventing its use…

The most promising way to increase the output power of an X-ray FEL (XFEL) is by tapering the magnetic field of the undulator. Also, significant increase in power is achievable by starting the FEL process from a monochromatic seed rather…

Accelerator Physics · Physics 2010-07-19 Gianluca Geloni , Vitali Kocharyan , Evgeni Saldin

A design for a compact x-ray light source (CXLS) with flux and brilliance orders of magnitude beyond existing laboratory scale sources is presented. The source is based on inverse Compton scattering of a high brightness electron bunch on a…

One of the major goals of research for laser-plasma accelerators is the realization of compact sources of femtosecond X-rays. In particular, using the modest electron energies obtained with existing laser systems, Compton scattering a…

Plasma Physics · Physics 2013-01-18 K. Ta Phuoc , S. Corde , C. Thaury , V. Malka , A. Tafzi , J. P. Goddet , R. C. Shah , S. Sebban , A. Rousse

We report the LWFA driven X-ray sources development at ELI beamlines. ELI Gammatron beamline provides X-ray pulses of energies from 1-100 keV in betatron scheme, and up to a MeV in Compton scheme. A state-of-the-art Ti:Sa diode-pumped HAPLS…

Plasma Physics · Physics 2022-02-11 U. Chaulagain , M. Lamač , M. Raclavský , S. Karatodorov , J. Nejdl , S. V. Bulanov

High-intensity X-ray sources are essential diagnostic tools for science, technology and medicine. Such X-ray sources can be produced in laser-plasma accelerators, where electrons emit short-wavelength radiation due to their betatron…

Plasma Physics · Physics 2022-03-16 Vojtěch Horný , Miroslav Krůs , Tünde Fülop

We develop a theoretical model for a tunable coherent terahertz radiation source based on the long-lived Bose condensate of photons. In the device we propose, the original photon pumping is performed incoherently by a blackbody radiation…

Quantum Gases · Physics 2025-01-03 Timofey V. Maximov , Igor V. Bondarev , Igor L. Kurbakov , Yurii E. Lozovik