Advanced Instrumentation for Ultrafast Science at the LCLS

2015 ◽  
Author(s):  
Nora Berrah
Keyword(s):  
Ultrafast Science

scholarly journals Few-Cycle Infrared Pulse Evolving in FEL Oscillators and Its Application to High-Harmonic Generation for Attosecond Ultraviolet and X-ray Pulses

Atoms ◽  
2021 ◽  
Vol 9 (1) ◽  
pp. 15
Author(s):  
Ryoichi Hajima
Keyword(s):  
Harmonic Generation ◽  
Short Pulse ◽  
High Harmonic ◽  
High Harmonic Generation ◽  
Pulse Generation ◽  
Solid State Lasers ◽  
Linear Accelerators ◽  
X Ray ◽  
Ultrafast Science ◽  
Historical Remarks

Generation of few-cycle optical pulses in free-electron laser (FEL) oscillators has been experimentally demonstrated in FEL facilities based on normal-conducting and superconducting linear accelerators. Analytical and numerical studies have revealed that the few-cycle FEL lasing can be explained in the frame of superradiance, cooperative emission from self-bunched systems. In the present paper, we review historical remarks of superradiance FEL experiments in short-pulse FEL oscillators with emphasis on the few-cycle pulse generation and discuss the application of the few-cycle FEL pulses to the scheme of FEL-HHG, utilization of infrared FEL pulses to drive high-harmonic generation (HHG) from gas and solid targets. The FEL-HHG enables one to explore ultrafast science with attosecond ultraviolet and X-ray pulses with a MHz repetition rate, which is difficult with HHG driven by solid-state lasers. A research program has been launched to develop technologies for the FEL-HHG and to conduct a proof-of-concept experiment of FEL-HHG.

Ultrafast science

2018 ◽  
pp. 221-268
Author(s):  
Bruce D. Patterson
Keyword(s):  
Ultrafast Science

OPT2X: Optimizing XUV optical pulses for ultrafast science in Paris-Saclay

2016 ◽  
Author(s):  
Danielle Dowekon ◽  
Bertrand Carré ◽  
Maël Delhinger ◽  
Franck Delmotte ◽  
David Dennetières ◽  
...  
Keyword(s):  
Optical Pulses ◽  
Ultrafast Science

Multi-colour pulses from seeded free-electron-lasers: towards the development of non-linear core-level coherent spectroscopies

2014 ◽  
Vol 171 ◽  
pp. 487-503 ◽  
Author(s):  
Filippo Bencivenga ◽  
Flavio Capotondi ◽  
Francesco Casolari ◽  
Francesco Dallari ◽  
Miltcho B. Danailov ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Core Level ◽  
Wave Mixing ◽  
Free Electron Lasers ◽  
Diffraction Experiment ◽  
X Ray ◽  
Ultrafast Science

We report on new opportunities for ultrafast science thanks to the use of two-colour extreme ultraviolet (XUV) pulses at the FERMI free electron laser (FEL) facility. The two pulses have been employed to carry out a pioneering FEL-pump/FEL-probe diffraction experiment using a Ti target and tuning the FEL pulses to the M2/3-edge in order to explore the dependence of the dielectric constant on the excitation fluence. The future impact that the use of such a two-colour FEL emission will have on the development of ultrafast wave-mixing methods in the XUV/soft X-ray range is addressed and discussed.

Ultrafast Science Journal

Physics Today ◽  
2002 ◽  
Vol 55 (9) ◽  
pp. 33-33
Author(s):  
Toni Feder
Keyword(s):  
Science Journal ◽  
Ultrafast Science

Introduction to the Issue on Ultrafast Science and Technology

2004 ◽  
Vol 10 (1) ◽  
pp. 127-128
Author(s):  
H.C. Kapteyn ◽  
P.M.V. French ◽  
K. Midorikawa ◽  
R.A. Cheville
Keyword(s):  
Science And Technology ◽  
Ultrafast Science
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