infrared, ir, blackbody, blackbodies, eoi, electro, optical, thermometer, collimator, radiometer, integrating sphere, modulator, chopper, freezing point, its-90, temperature, calibration, instrumentation, flir, target projector, target simulator, gray body, off axis, parabolaextended area, source, differential, mtf, mrtd, netd, mrt, aperture, four bar, resolution, optics,calculator, conversion, cavity, radiation, flux, lumen, lux, irradiance, radiance, sbir, santa barbara,emissivity, candela, planck, detector, absorption, screensaver

eoi has been providing infrared and visible sources for the testing and calibration of sensors and systems for over thirty years