Michele Di Fraia (Author), Giovanni De Ninno (Author), Primož Rebernik Ribič (Author)

Abstract

Intense, mutually coherent beams of multiharmonic extreme ultraviolet light can now be created using seeded free-electron lasers, and the phase difference between harmonics can be tuned with attosecond accuracy. However, the absolute value of the phase is generally not determined. We present a method for determining precisely the absolute phase relationship of a fundamental wavelength and its second harmonic, as well as the amplitude ratio. Only a few easily calculated theoretical parameters are required in addition to the experimental data.

Keywords

free-electron lasers;coherence;phase;attosecond;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UNG - University of Nova Gorica
UDC: 53
COBISS: 5533691 Link will open in a new window
ISSN: 0031-9007
Views: 2315
Downloads: 0
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Other data

URN: URN:SI:UNG
Type (COBISS): Not categorized
Pages: str. 213904-1-213904-7
Volume: ǂVol. ǂ123
Issue: ǂiss. ǂ21
Chronology: Nov. 2019
DOI: 10.1103/PhysRevLett.123.213904
ID: 11368333