Table 1. Sets of Parameters Used in the Original and Reoptimized Methodsa.
| solariX
XR |
scimaX
2XR 1 or 2ω |
||||
|---|---|---|---|---|---|
| parameters | (unit) | original | reoptimized | original | reoptimized |
| laser focusb | % | 98 | 80 | 93 | 85 |
| laser shots | (#shots) | 600 | [2; 10] | 400 | 6 |
| laser frequency | (Hz) | 1000 | #shots × 10 | 1000 | 60 |
| sweep excitation power | (%) | 22 | [16; 18] | 20 | 18 |
| front & back trap plate | (V) | 1.5 | 1.35 | 3 | 3.06 |
| analyzer entrance | (V) | –10 | –10 | –10 | –10 |
| side kick | (V) | 5 | [6; 10] | 0.2 | 3 |
| side kick offset | (V) | –1.0 | –1.5 | –1.5 | –1.5 |
| time of flight | (ms) | 1.2 | 1.2 | 1.0 | 0.7c |
a
The laser power was adjusted to get the lower power possible when the TIC signal was reaching 5 × 108 cps. Values in brackets show a working range.
b
Small and medium laser focus for solariX XR and scimaX 2XR, respectively.
c
Time of flight set at 0.7 ms for the 2ω acquisition for 16 M data point only.