Background	Testing	Calculation	Imatest Instructions	Inputs
Intro to Stray Light Outputs Overview Examples Root Causes Glossary	Test Overview Test Factors Technical Considerations	Metric Calculation Masking Normalization	Analysis Instructions Motorized Gimbal Instructions	Settings (INI) Configuration File

Definitions

Term	Definition	Notes
Flare	Any light that reaches the detector (i.e., the image sensor) other than through the designed optical path.	Synonym: Stray Light Definition from IEEE-P2020
Stray Light	Any light that reaches the detector (i.e., the image sensor) other than through the designed optical path.	Synonym: Flare Definition from IEEE-P2020

Acronyms

Abbreviation	Definition	Description
DUT	Device Under Test	The camera that is being tested.
FITS	Flexible Image Transport System	A file format for storing multi-demensional data. More info.
HDF5	Hierarchical Data Format 5	A file format for storing and organizing large amounts of data. More info.
PSRR	Point Source Rejection Ratio	A stray light metric where the image data is normalized by the expected signal from an on-axis light source.
PST	Point Source Transmission	A stray light metric that normalizes radiometrically calibrated data by the irradiance at the front of the DUT.