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Figure 5
(a) Laser beam profile measured at normal incidence at the sample position (Spiricon, Ophir, Israel). The white lines show the horizontal [x] and vertical [y] Gaussian fits of the intensity profile. (b) Scattering patterns of the InAs peak with laser off (red) and on (black) at 14.723° X-ray incidence angle – the peak shift corresponds to a temperature increase of approximately 120 K. The experimental error given by Poisson counting statistics is <10−3 – error bars are hence omitted for clarity. (c) InAs Bragg peak centre (qz component shown on top, the in-plane component qx of the scattering vector shown on bottom) at different laser beam positions. The black dotted lines show the contours of the corresponding D-Gaussian fit.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 1| January 2020| Pages 51-59
https://doi.org/10.1107/S1600577519015728
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