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Figure 6
(a) Scan of the crystal shrinkage curve by an IR pulse of 1.5 W (red) at a constant humidity level of the gas stream. The crystal expands again to the native dimensions after the laser is shut off. Highlighted is the region of the presumed best crystal state indicated by a changing slope of the curve (the insert displays a magnified view with a dashed straight line added). (b) Optimization of a CODH crystal by laser regulation of crystal size. The same crystal and procedure as in (a) were used, except that the crystal size was fixed to the optimal state by laser irradiation. The humidity was then lowered and the laser power was regulated to zero for transfer of the crystal out of the laser cabinet for X-ray analysis.

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ISSN: 2059-7983
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