Profile: Gamma Scientific, Inc. is a supplier of precision light measurement instruments. Our product line includes retroreflectometers, radiometers, photometers, and other instruments. Our RadOMA® series platform is a durable opto-electrical design. The RadOMA® advantage offers advanced, spectroradiometers that combine the leading-edge sensitivity of a backside-thinned CCD detector, with gamma scientific industry-renowned OMA optical multi-channel analyzer opto-electrical platform. The RadOMA® series features millisecond measurement speed, exceptional low-light measurement capability, and superior blue-light region sensitivity at least two times greater than conventional front-illuminated CCD-based systems. The RadOMA is ideally suited for applications including LED color & luminance, flat panel display, retro-reflected color, reflectance and transmittance, and light source measurements. Our SLS 9400 tri-stimulus colorimeter, consists of a color sensor and a handheld display unit.The color sensor utilizes four extremely stable colored glass filters in conjunction with high quality silicon photodiodes. The resulting response of this combination accurately replicates the CIE standard observer (tri-stimulus) functions. This allows the system's performance to be independent of the phosphor set under test. The colorimeter compensates for any scan rate, and works for all types of displays, including LCD, LED, CRT, projection, and HDTV. The detector head is housed in an ergonomically-designed package with a nonslip scalloped grip. It is completely non-contact and polarization decoupled. A standard 1/4-20 post mount is included for added mounting convenience. These instruments are used in calibrating, sensor testing, display, and laser power measurement services.