Techniques¶
What the modelled part of FAXTOR is designed to do, as intent. First cut.
A technique is a portable Catalog Method; a Practice is how a facility adapts it. FAXTOR is a fast-imaging beamline: its tomography techniques reuse Methods CORA's catalog already carries, and its radiography is carried pending until it enters scope (TECH-1).
Fast tomography and radiography¶
FAXTOR sets the X-ray energy with the multipole wiggler and the double multilayer monochromator (8-50 keV mono) or the filter set (30-70 keV filtered white beam), then rotates the sample on the experiment endstation while the scintillator and fast camera record projections. Continuous-rotation acquisition reaches up to 20 Hz, at 0.5-10 um pixel size, with absorption, propagation-phase, and grating-based contrast.
| Technique | Catalog method | Notes |
|---|---|---|
| Tomography | tomography |
absorption and propagation-phase micro-CT on the experiment endstation, the rotary stage stepped against the scintillator + camera; reuses the catalog tomography Method (the 2-BM pilot) |
| Continuous-rotation tomography | continuous_rotation_tomography |
fast fly-scan tomography up to 20 Hz, the rotary stage in continuous rotation as the trigger master (TRIG-1); reuses the catalog continuous-rotation Method |
| Radiography | radiography |
time-resolved single-projection radiography; reuses the 7-BM radiography slug, no portable Method in the catalog yet; pending (TECH-1) |
Tomography needs the incident energy set by the monochromator or filters, the rotary stage and sample positioning, and the scintillator + fast camera. Radiography needs the same beam and detector without the rotation sweep.
A new Site on familiar vocabulary¶
FAXTOR is the fleet's fast-imaging beamline at ALBA, and it ties into the tomography lineage CORA already models: the same imaging device anatomy as the 2-BM pilot and the MAX IV TomoWISE design (a wiggler or undulator source, a multilayer monochromator, a rotary-stage endstation, and an indirect scintillator + camera detector). It reuses the tomography and continuous_rotation_tomography Methods directly; only radiography is carried pending, and none forces a new device family.
Not modelled yet¶
The concrete acquisition recipes (the fly-scan tomography sequences and their counting times, the flat / dark sequencing, the phase-contrast and grating-based setups) are not written yet; they join as the deployment approaches the point where CORA drives FAXTOR. Whether radiography enters CORA's catalog is an owner-scope decision on Model; see Open questions for the world-facts to confirm first.