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Figure 2
Time response of the Bragg peak shift [|\Delta\theta|] for (a) Pl = 17 mJ cm-2 and (b) Pl = 700 mJ cm-2. A laser power of 17 mJ cm-2 causes no surface damage on a wafer, while the laser power used in (b) gives noticeable surface damage. Although surface damage is observed, the lattice response is reproducible for 1 h. The Bragg shift of (b) is found to be about twice as large as that of (a). The response time (10–90%) of (b) is 30% larger than that of (a).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 9| Part 2| February 2002| Pages 96-98
doi:10.1107/S0909049502000389
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