An x-ray probe of laser-aligned molecules

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dc.creatorPeterson, Emily R.
dc.creatorButh, Christian
dc.creatorArms, Dohn A.
dc.creatorDunford, Robert W.
dc.creatorKanter, Elliot P.
dc.creatorKrässig, Bertold
dc.creatorLandahl, Eric C.
dc.creatorPratt, Stephen T.
dc.creatorSantra, Robin
dc.creatorSouthworth, Stephen H.
dc.creatorYoung, Linda
dc.date2008-02-13
dc.date2008-03-07
dc.date.accessioned2026-07-07T09:38:57Z
dc.date.available2026-07-07T09:38:57Z
dc.descriptionWe demonstrate a hard x-ray probe of laser-aligned small molecules. To align small molecules with optical lasers, high intensities at nonresonant wavelengths are necessary. We use 95 ps pulses focused to 40 mum from an 800 nm Ti:sapphire laser at a peak intensity of 10^12 W/cm^2 to create an ensemble of aligned bromotrifluoromethane (CF3Br) molecules. Linearly polarized, 120 ps x-ray pulses, focused to 10 mum, tuned to the Br 1s --> sigma* pre-edge resonance at 13.476 keV, probe the ensemble of laser-aligned molecules. The demonstrated methodology has a variety of applications and can enable ultrafast imaging of laser-controlled molecular motions with Angstrom-level resolution.
dc.description4 pages, 4 figures, RevTeX4, corrected typos
dc.identifierhttps://arxiv.org/abs/0802.1894
dc.identifierhttp://arxiv.org/abs/0802.1894
dc.identifierAppl. Phys. Lett. 92, 094106 (2008) (3 pages), republication in Virtual Journal of Ultrafast Science 7, issue 4 (2008)
dc.identifierdoi:10.1063/1.2890846
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/161000
dc.subjectChemical Physics
dc.titleAn x-ray probe of laser-aligned molecules
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