Detector

The Mythen3 position-sensitive strip detector. Design-phase; values are reverse-engineered from dodal or inferred.

I11's detection is a single position-sensitive strip detector that reads a 1D diffraction pattern across the two-theta arm. It is modelled in the detection stage of the descriptor.

The detector

Device	Family	Role	Control handle	Notes
Mythen3	Camera	Detector	BL11I-EA-DET-07:	Dectris/PSI Mythen3 position-sensitive strip detector; skip-flagged in dodal (issue I11-916)

How it maps onto CORA

• The Mythen3 reuses Camera (Detector Role), with a noted nuance. The Detector Role is defined for image-emitting detectors; a Mythen3 is a 1D strip (a line of channels) producing a powder-diffraction pattern, not a 2D frame. It reuses Camera/Detector as the closest existing shape, but whether a strip / position-sensitive detector warrants a distinct family or Role is the open question (MYTHEN-1). Carrying it as Camera avoids minting a kind on a single deployment; the strip-vs-2D distinction is recorded, not resolved.
• It is skip-flagged in dodal. The dodal mythen3 factory carries skip=True (the detector state does not match ophyd-async, issue I11-916), so the device shape is dry-correct but its runtime is unverified; the threshold and deadtime values are calibration to supply (MYTHEN-1).

Families

The Mythen3 reuses Camera. No new Family is earned on the detector side in this scaffold; the strip-detector Role question is tracked by MYTHEN-1. See Inventory and Open questions.