Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: S1.00188 : Strong field DC slice imaging
Author:
A new, ``universal'' variation of the DC slice ion imaging method
is reported. This approach allows the central slice of the
photofragment ion cloud to be recorded and the relevant speed and
angular distributions for a molecular photodissociation to be
obtained without any inversion methods, but does so using
femtosecond non-resonant strong-field ionization. The probe laser
is also implemented in a ``raster imaging'' approach that records
only the central section of an expanded photofragment
distribution and avoids interaction with the molecular beam
itself. This is achieved by using the probe laser displaced
off-axis from the molecular beam with application a narrow time
gate to a multichannel plate detector. To avoid high background
level and space charge effect, the detection region is in
ultrahigh vacuum and we utilize a second differential stage to
the molecular beam. Several examples will be presented
illustrating the method.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.S1.188
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