Attosecond spectral shearing interferometry

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Journal titlePhysical Review Letters
Pages073902-1073902-4; # of pages: 4
AbstractWe show that the complete characterization of arbitrarily short isolated attosecond x-ray pulses can be achieved by applying spectral shearing interferometry to photoelectron wave packets. These wave packets are coherently produced through the photoionization of atoms by two time-delayed replicas of the x-ray pulse, and are shifted in energy with respect to each other by simultaneously applying a strong laser field. The x-ray pulse is reconstructed with the algorithm developed for optical pulses, which requires no knowledge of ionization physics. Using a 800-nm shearing field, x-ray pulses shorter than ~400 asec can be fully characterized.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12328873
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Record identifiera3075ae1-5284-435e-a8ba-10d4ac3ca54d
Record created2009-09-10
Record modified2016-05-09
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