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![[Figure 2]](os5009fig2mag.jpg)
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Figure 2
The laser mount and guidance system, with the laser beam path added in red (top) together with a close up of the goniometer, with the laser beam approaching the crystal from below (bottom). A 633 nm HeNe laser is shown, but 532 nm CW-Nd:YAG and 830 nm diode lasers have also been used. For these lasers the typical power at the sample is ∼2 mW, which should lead to a temperature increase at the sample of less than 1 K, indicating that the effects seen when using this device are photophysical rather than photothermal. |
![[Figure 2]](os5009fig2.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
