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Choice of oscillation range: Difference between revisions
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# preventing reflection overlap at high resolution (see table at end of [[IDXREF.LP]]) - for a given total rotation range, lower oscillation range is better | # preventing reflection overlap at high resolution (see table at end of [[IDXREF.LP]]) - for a given total rotation range, lower oscillation range is better | ||
# improving the signal-to-noise ratio - lower oscillation range is better (but see below) | # improving the signal-to-noise ratio - lower oscillation range is better (but see below) | ||
# minimizing the readout noise (should be 2-10 counts per pixel for CCD, and 0 for pixel array detectors) - larger oscillation range is better | # minimizing the readout noise (should be 2-10 counts per pixel for CCD, and 0 for pixel array detectors) - larger oscillation range is better (only for CCD) | ||
# minimizing the disk space and the readout time - larger oscillation range is better | # minimizing the disk space and the readout time - larger oscillation range is better | ||