Gold Images:

o Only a hill, no regular period seen.
  128x128
  1.0 ms/S?
  gold04_3d_burly.jpg
  gold04_intensity_burly.jpg

o Period seen
  128x128
  1.0 ms/S?
  gold05_3d_burly.jpg
  gold05_intensity_burly.jpg

o Period seen
  256x256
  1.0 ms/S?
  gold06_3d_burly.jpg
  gold06_intensity_burly.jpg

o No period
  Shows what might be smearing in the direction of rastering (PZT drift?).
  Maybe gain is too low and/or the time constant is too small.
  128x128
  0.5 ms/S
  gold07_intensity_burly.png