scholarly journals Spectral-phase interferometry for direct electric-field reconstruction applied to seeded extreme-ultraviolet free-electron lasers

2015 ◽  
Vol 23 (14) ◽  
pp. 17665 ◽  
Author(s):  
Benoît Mahieu ◽  
David Gauthier ◽  
Giovanni De Ninno ◽  
Hugo Dacasa ◽  
Magali Lozano ◽  
...  
Keyword(s):  
Electric Field ◽  
Free Electron ◽  
Extreme Ultraviolet ◽  
Spectral Phase ◽  
Free Electron Lasers ◽  
Field Reconstruction

scholarly journals Compression of Extreme-Ultraviolet Ultrashort Pulses by Grating Configurations

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Fabio Frassetto ◽  
Paolo Miotti ◽  
Luca Poletto
Keyword(s):  
Free Electron ◽  
Extreme Ultraviolet ◽  
Ultrashort Pulses ◽  
Spectral Phase ◽  
High Order ◽  
Free Electron Lasers ◽  
Main Application ◽  
Temporal Compression ◽  
Fourier Limit ◽  
Compression Of Pulses

The design and realization of grating instruments to condition the spectral phase of ultrashort extreme-ultraviolet pulses are discussed. The main application of such configurations is the temporal compression of pulses by compensating the phase chirp and getting close to the Fourier limit. We discuss the two configurations useful for the realization of ultrafast grating compressors, namely, the classical diffraction mount and the off-plane one. The configuration may be applied to free-electron lasers and high-order laser harmonics.

scholarly journals Fringe-free spectral phase interferometry for direct electric-field reconstruction

2006 ◽  
Vol 55 (1) ◽  
pp. 244
Author(s):  
Lei Liang ◽  
Wen Jin-Hui ◽  
Jiao Zhong-Xing ◽  
Shou Qian ◽  
Wu Yu ◽  
...  
Keyword(s):  
Electric Field ◽  
Spectral Phase ◽  
Field Reconstruction

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.

Amplitude and Phase Characterization of 5.0 fs Optical Pulses Using Spectral Phase Interferometry for Direct Electric-Field Reconstruction

2001 ◽  
Vol 40 (Part 2, No. 7A) ◽  
pp. L684-L687 ◽  
Author(s):  
Liming Li ◽  
Satoru Kusaka ◽  
Naoki Karasawa ◽  
Ryuji Morita ◽  
Hidemi Shigekawa ◽  
...  
Keyword(s):  
Electric Field ◽  
Spectral Phase ◽  
Optical Pulses ◽  
Field Reconstruction ◽  
Phase Characterization
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