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Improving Ramsey spectroscopy in the extreme-ultraviolet region with a random-sampling approach

  Articoli su Riviste JCR/ISI  (anno 2011)

Autori:  Eramo R., Bellini M., Corsi C., Liontos I., Cavalieri S

Affiliazione Autori:  Istituto Nazionale di Ottica (INO-CNR), Largo E. Fermi 6, I-50125 Florence, Italy; European Laboratory for Non-linear Spectroscopy (LENS), I-50019 Sesto Fiorentino, Florence, Italy; Department of Physics, University of Florence, I-50019 Sesto Fiorentino, Florence, Italy

Riassunto:  Ramsey-like techniques, based on the coherent excitation of a sample by delayed and phase-correlated pulses, are promising tools for high-precision spectroscopic tests of QED in the extreme-ultraviolet (xuv) spectral region, but currently suffer experimental limitations related to long acquisition times and critical stability issues. Here we propose a random subsampling approach to Ramsey spectroscopy that, by allowing experimentalists to reach a given spectral resolution goal in a fraction of the usual acquisition time, leads to substantial improvements in high-resolution spectroscopy and may open the way to a widespread application of Ramsey-like techniques to precision measurements in the xuv spectral region.

Rivista/Giornale:  PHYSICAL REVIEW A
Volume n.:  83 (4)      Pagine da: 041402  a: 041402
Note:  Rapid Communication
DOI: 10.1103/PhysRevA.83.041402

*Impact Factor della Rivista: (2011) 2.878   *Citazioni: 4
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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