Thermal and nonthermal melting of silicon exposed to femtosecond pulses of x-ray irradiation

2015 ◽  
Author(s):  
Nikita Medvedev ◽  
Zheng Li ◽  
Beata Ziaja
Keyword(s):  
Femtosecond Pulses ◽  
X Ray ◽  
Nonthermal Melting

Generation of bright γ-ray/hard x-ray flash with intense femtosecond pulses and double-layer targets

2019 ◽  
Vol 26 (3) ◽  
pp. 033109 ◽  
Author(s):  
Jianbo Liu ◽  
Jinqing Yu ◽  
Yinren Shou ◽  
Dahui Wang ◽  
Ronghao Hu ◽  
...  
Keyword(s):  
Double Layer ◽  
Femtosecond Pulses ◽  
X Ray ◽  
Γ Ray

scholarly journals Generation of high power femtosecond pulses by a sideband-seeded X-ray FEL

2002 ◽  
Vol 483 (1-2) ◽  
pp. 62-69 ◽  
Author(s):  
W. Brefeld ◽  
B. Faatz ◽  
J. Feldhaus ◽  
M. Körfer ◽  
J. Krzywinski ◽  
...  
Keyword(s):  
High Power ◽  
Femtosecond Pulses ◽  
X Ray

Amplification of Elliptically Polarized Sub-Femtosecond Pulses in Neon-Like X-Ray Laser Modulated By An IR Field

2021 ◽  
Author(s):  
I. R. KHAIRULIN ◽  
V. А. АNTONOV ◽  
М. YU. RYABIKIN ◽  
M. A. BERRILL ◽  
V. N. SHLYAPTSEV ◽  
...  
Keyword(s):  
Harmonic Generation ◽  
Coherent Control ◽  
Polarization State ◽  
High Harmonic ◽  
High Harmonic Generation ◽  
Femtosecond Pulses ◽  
X Ray ◽  
On Demand ◽  
Attosecond Pulses ◽  
Elliptically Polarized

Abstract Amplification of attosecond pulses produced via high harmonic generation is a formidable problem since none of the amplifiers can support the corresponding PHz bandwidth. Producing the well defined polarization state common for a set of harmonics required for formation of the circularly/elliptically polarized attosecond pulses (which are on demand for dynamical imaging and coherent control of the spin flip processes) is another big challenge. In this work we show how both problems can be tackled simultaneously on the basis of the same platform, namely, the plasma-based X-ray amplifier whose resonant transition frequency is modulated by an infrared field.

Simulations of femtosecond X-ray diffraction from unperturbed and rapidly heated single crystals

1999 ◽  
Vol 32 (4) ◽  
pp. 692-703 ◽  
Author(s):  
J. S. Wark ◽  
R. W. Lee
Keyword(s):  
Single Crystals ◽  
Time Scales ◽  
X Rays ◽  
Femtosecond Pulses ◽  
X Ray Diffraction ◽  
Similar Time ◽  
Short Pulses ◽  
X Ray ◽  
Laser Sources ◽  
Laser Heated

Simulations are presented of the dynamical diffraction of femtosecond pulses of X-rays from crystals whose structures are modified on similar time scales. Such simulations are of relevance to experiments in which short pulses of X-rays from synchrotron or laser sources are diffracted from rapidly laser-heated crystals.

Dose Characterization of the 1 kHz Repetition Rate High-Z Metal X-Ray Source Driven by 20 mJ Femtosecond Pulses

2020 ◽  
Author(s):  
Jonas Reklaitis ◽  
Vytenis Barkauskas ◽  
Artūras Plukis ◽  
Vitalij Kovalevskij ◽  
Mindaugas Gaspariūnas ◽  
...  
Keyword(s):  
Repetition Rate ◽  
Femtosecond Pulses ◽  
X Ray
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