Table 3. Doses at which the average intensities in the indicated resolution ranges have decayed to 70% (D 70) and to 50% (D 50) of the initial value.
The last column contains the relative diffractive efficiency of each crystal, derived from the average intensity of reflections recorded in the first image and normalized by flux and irradiated crystal volume. The uncertainty in the dose estimations is about 10% for the 6.33keV data and about 5% for the other energies.
| D 70 (MGy) | D 50 (MGy) | |||||||
|---|---|---|---|---|---|---|---|---|
| Energy (keV) | Crystal | 302.45 | 302.08 | 301.22 | 302.45 | 302.08 | 301.22 | Diffraction efficiency |
| 6.33 | xtal01 | 6.7 | 6.5 | 11.6 | 11.2 | 2.5 | ||
| xtal02 | 6.7 | 6.5 | 11.6 | 11.2 | 1.3 | |||
| xtal03 | 8.4 | 8.0 | 14.4 | 13.7 | 1.8 | |||
| xtal04 | 8.2 | 7.8 | 14.7 | 14.1 | 1.7 | |||
| xtal05 | 7.5 | 7.2 | 12.0 | 11.6 | 1.6 | |||
| Average | 7.5 | 7.2 | 12.8 | 12.4 | ||||
| 12.66 | xtal01 | 12.0 | 10.7 | 9.3 | 22.3 | 20.6 | 17.9 | 2.9 |
| xtal02 | 11.5 | 10.5 | 9.0 | 21.6 | 20.0 | 17.6 | 3.4 | |
| xtal04 | 11.5 | 10.4 | 9.2 | 20.1 | 18.4 | 16.7 | 2.4 | |
| xtal05 | 9.4 | 8.5 | 7.4 | 17.5 | 16.0 | 14.3 | 1.4 | |
| Average | 11.1 | 10.1 | 8.8 | 20.4 | 18.7 | 16.6 | ||
| 19.0 | xtal01 | 11.0 | 9.6 | 8.0 | 20.3 | 18.3 | 15.8 | 3.8 |
| xtal02 | 12.1 | 10.6 | 8.5 | 21.2 | 19.1 | 16.1 | 4.3 | |
| xtal03 | 12.5 | 11.2 | 10.1 | 21.8 | 20.2 | 18.6 | 2.1 | |
| xtal04 | 10.5 | 9.3 | 7.6 | 17.8 | 16.2 | 13.6 | 2.6 | |
| xtal05 | 11.0 | 9.6 | 8.2 | 19.0 | 17.1 | 14.8 | 2.9 | |
| Average | 11.4 | 10.0 | 8.5 | 20.0 | 18.2 | 15.8 | ||