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group_secar2.0 [2018/09/13 14:30] plastun |
group_secar2.0 [2018/09/13 14:42] plastun |
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===== DAY4===== | ===== DAY4===== | ||
==== Optics misalignments ==== | ==== Optics misalignments ==== | ||
+ | |||
+ | **Beam position. Longitudinal offset.** | ||
We populated " | We populated " | ||
Line 98: | Line 100: | ||
SRXX:= XX*COS(PHI*3.14159/ | SRXX:= XX*COS(PHI*3.14159/ | ||
SRAX:= AX*SIN(PHI*3.14159/ | SRAX:= AX*SIN(PHI*3.14159/ | ||
- | ENDLOOP;\\'' | + | ENDLOOP;'' |
- | Number of rays in another planes | + | Rays in another planes |
- | '' | + | '' |
- | SRAY:= 0.0;\\ | + | SRAY:= 0.0; |
- | SRDE:= 0.0;\\'' | + | SRDE:= 0.0;'' |
- | Created loop for target position. Observed piece-wise curve for resolution vs target offset (see figure below) in case of 4th order calculation. If order reduced to the 1st, than curve is smooth, but maximum resolution is shifted. | + | Created loop for target position. Observed piece-wise curve for resolution vs target offset |
{{ : | {{ : | ||
+ | The resolution drops by 5% at the offsets -5 mm, +7 mm. | ||
+ | **Beam position. Transverse offset.** |