Differential Sources: for the test and characterization of IR imaging systems

Extended Area Sources: for field tests and calibration without collimator 

Cavity Blackbody Sources: for calibration of infrared sensors

TwiN1000: for applications requiring fast switching between temperatures

Cryogenic Vacuum Blackbodies: for spaceborne systems testing


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Electro Optical Industries is the world leader in advanced infrared and visible light spectrum test and calibration equipment.

EOI's Engineering team can provide superior custom solutions for the most challenging requirements utilizing years of experience and the reliable building blocks in our standard product portfolio. EOI is the turn-key provider for all of your electro-optical test and calibration needs.