Extreme ultraviolet free-electron laser-based projection lithography systems

1991 ◽  
Vol 30 (8) ◽  
pp. 1100 ◽  
Author(s):  
Brian E. Newnam
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Projection Lithography

Generation and measurement of intense few-femtosecond superradiant extreme-ultraviolet free-electron laser pulses

2021 ◽  
Author(s):  
Najmeh S. Mirian ◽  
Michele Di Fraia ◽  
Simone Spampinati ◽  
Filippo Sottocorona ◽  
Enrico Allaria ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Laser Pulses

scholarly journals Measuring the frequency chirp of extreme-ultraviolet free-electron laser pulses by transient absorption spectroscopy

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Thomas Ding ◽  
Marc Rebholz ◽  
Lennart Aufleger ◽  
Maximilian Hartmann ◽  
Veit Stooß ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Transient Absorption ◽  
Extreme Ultraviolet ◽  
Ultrashort Pulses ◽  
Laser Pulses ◽  
Transient Absorption Spectroscopy ◽  
Energy Structure ◽  
Frequency Chirp

AbstractHigh-intensity ultrashort pulses at extreme ultraviolet (XUV) and x-ray photon energies, delivered by state-of-the-art free-electron lasers (FELs), are revolutionizing the field of ultrafast spectroscopy. For crossing the next frontiers of research, precise, reliable and practical photonic tools for the spectro-temporal characterization of the pulses are becoming steadily more important. Here, we experimentally demonstrate a technique for the direct measurement of the frequency chirp of extreme-ultraviolet free-electron laser pulses based on fundamental nonlinear optics. It is implemented in XUV-only pump-probe transient-absorption geometry and provides in-situ information on the time-energy structure of FEL pulses. Using a rate-equation model for the time-dependent absorbance changes of an ionized neon target, we show how the frequency chirp can be directly extracted and quantified from measured data. Since the method does not rely on an additional external field, we expect a widespread implementation at FELs benefiting multiple science fields by in-situ on-target measurement and optimization of FEL-pulse properties.

Coherent Pulses from a Seeded Free-Electron Laser in the Extreme Ultraviolet

2014 ◽  
pp. 1-6
Author(s):  
E. Allaria ◽  
D. Castronovo ◽  
G. De Ninno ◽  
S. Di Mitri ◽  
W. Fawley ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet

scholarly journals All-optical single shot complete electric field measurement of extreme ultraviolet free electron laser pulses

Optica ◽  
2021 ◽  
Author(s):  
William Peters ◽  
Travis Jones ◽  
Anatoly Efimov ◽  
Emanuele Pedersoli ◽  
Laura Foglia ◽  
...  
Keyword(s):  
Electric Field ◽  
Free Electron ◽  
Field Measurement ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Laser Pulses ◽  
Single Shot ◽  
Electric Field Measurement ◽  
All Optical

scholarly journals Switching of the harmonic order in free-electron lasers by controlling the density modulation of an electron bunch

2018 ◽  
Vol 25 (5) ◽  
pp. 1317-1322 ◽  
Author(s):  
Norihiro Sei ◽  
Hiroshi Ogawa ◽  
QiKa Jia
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Free Electron Lasers ◽  
Harmonic Order ◽  
Third Harmonic ◽  
X Ray ◽  
The Third ◽  
Density Modulation ◽  
Higher Harmonic

It was demonstrated that harmonic order in free-electron laser (FEL) oscillations could be switched by adjusting the dispersive gap of the optical klystron ETLOK-III in the storage ring NIJI-IV. The effective gains for the fundamental and third-harmonic FEL oscillations were evaluated and it was confirmed that the FEL oscillated at the order of the harmonic with the higher effective gain. The ratio between the effective gain for the fundamental and that for the third harmonic was controlled by the dispersive gap. It was also demonstrated that a spectral measurement of the FEL-based Compton scattering X-ray beam was effective for directly observing the switching of the harmonic order. These results contribute to the development of higher-harmonic FEL oscillations suppressing the fundamental FEL oscillation in the extreme ultraviolet and X-ray regions.

Femtosecond Snapshot Holography with Extended Reference Using Extreme Ultraviolet Free-Electron Laser

2010 ◽  
Vol 3 (10) ◽  
pp. 102701 ◽  
Author(s):  
Yoshinori Nishino ◽  
Yoshihito Tanaka ◽  
Makoto Okada ◽  
Motohiro Okaya ◽  
Yoshihito Uozaki ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet

Longitudinal coherence measurements of an extreme-ultraviolet free-electron laser

2010 ◽  
Vol 35 (3) ◽  
pp. 372 ◽  
Author(s):  
W. F. Schlotter ◽  
F. Sorgenfrei ◽  
T. Beeck ◽  
M. Beye ◽  
S. Gieschen ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Longitudinal Coherence

Laser-driven compact free electron laser: from extreme ultraviolet radiation to x-rays

2021 ◽  
Author(s):  
Alexander Molodozhentsev ◽  
Konstantin Kruchinin ◽  
Gabriele M. Grittani ◽  
Tyler Green ◽  
Jaroslav Nejdl ◽  
...  
Keyword(s):  
Ultraviolet Radiation ◽  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
X Rays ◽  
Extreme Ultraviolet Radiation
Sign in / Sign up

Export Citation Format

Share Document