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dc.contributor.authorMustary, MH
dc.contributor.authorLaban, DE
dc.contributor.authorWood, JBO
dc.contributor.authorPalmer, AJ
dc.contributor.authorHoldsworth, J
dc.contributor.authorLitvinyuk, IV
dc.contributor.authorSang, RT
dc.description.abstractWe describe an extreme ultraviolet (XUV) interferometric technique that can resolve ~100 zeptoseconds (10−21 s) delay between high harmonic emissions from two successive sources separated spatially along the laser propagation in a single Gaussian beam focus. Several improvements on our earlier work have been implemented in the advanced interferometer. In this paper, we report on the design, characterization and optimization of the advanced Gouy phase interferometer. Temporal coherence for both atomic argon and molecular hydrogen gases has been observed for several harmonic orders. It has been shown that phase shift of XUV pulses mainly originates from the emission time delay due to the Gouy phase in the laser focus and the observed interference is independent of the generating medium. This interferometer can be a useful tool for measuring the relative phase shift between any two gas species and for studying ultrafast dynamics of their electronic and nuclear motion.
dc.publisherInstitute of Physics Publishing
dc.publisher.placeUnited Kingdom
dc.relation.ispartofjournalJournal of Physics B: Atomic, Molecular and Optical Physics
dc.subject.fieldofresearchAtomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classified
dc.subject.fieldofresearchAtomic, Molecular, Nuclear, Particle and Plasma Physics
dc.subject.fieldofresearchOptical Physics
dc.subject.fieldofresearchTheoretical and Computational Chemistry
dc.titleAdvanced Gouy phase high harmonics interferometer
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.facultyGriffith Sciences, School of Environment and Science
gro.hasfulltextNo Full Text
gro.griffith.authorSang, Robert T.
gro.griffith.authorPalmer, Adam J.
gro.griffith.authorLaban, Dane E.
gro.griffith.authorWood, James B.
gro.griffith.authorLitvinyuk, Igor
gro.griffith.authorMustary, Mumta Hena H.

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