The diffraction limit for a single image may decrease, although higher resolution datasets can still be collected due to the decreased radiation damage rate.
If the first term is large in comparison to the second term, the diffraction dominates over the nonlinear phenomena, leading to defocusing of the ripple.
Figure 4 shows the temporal evolution of diffraction profiles.
The first corresponds to geometrical optics effects, while the second is associated with diffraction.
This can be achieved, for example, by putting special diffraction gratings on the mirrors.
Now snip off a comparably sized piece from a diffraction image hologram containing the same chair information.
The overall degradation of the diffraction suggests that the reversible effects are also accompanied by gradual irreversible damage to the lattice.
The laser beam was diffraction limited, the focal spot diameter was found to be 2 mm, in agreement with the expectations.
