Data Provider Elements

EOIR Sensor Optics

Common optical system parameters and metrics for EOIR sensors.

Available for these objects: Sensor

Type: Fixed data.

Availability: Reports

Data Provider Elements

NameDimensionTypeDescription
Effective focal lengthSmallDistanceReal NumberThe effective focal length as defined by the user for the EOIR sensor band.
F numberUnitlessReal NumberOptical system F-number as defined by the user for the EOIR sensor band.
Diffraction wavelengthSmallDistanceReal NumberThe wavelength used internally for diffraction calculations as defined for the EOIR sensor band.
Airy disk diameterAngleReal Number or TextDiameter of the bright central lobe of the diffraction point spread function.
Rayleigh resolutionAngleReal Number or TextLimiting resolution of the optical system as defined by Rayleigh's resolution criterion.
Sparrow resolutionAngleReal Number or TextLimiting resolution of the optical system as defined by Sparrow's resolution criterion.
Ensquared energyUnitlessReal NumberFraction of power in a point source which falls within the boundaries of a pixel centered on the point source.