Expected Performance of the VENUS Instrument

Beam Spectrum	Epithermal, Thermal, Cold
Moderator	H2 decoupled poisoned (sharpest pulse at the SNS)
Wavelength bandwidth	~2.4 Å (Time-Of-Flight mode)
Spatial resolution	~100 microns
Resolution Δd/d	0.12 %
Source-to-detector distance	25 m
Sample-to-detector distance	A few mm to tens of cm (as needed for magnification)
Detection system and resolution	Cameras (CCD) and Micro-Channel Plate detector
Flux on sample (n/s/cm²)	1 × 10⁷ in TOF mode 1 × 10⁸ in white beam mode
Field of View	Up to 20 cm × 20 cm in 2D imaging

Neutron Sciences Directorate