Request InfoAvantes BVAvantes BV has released two cosine correctors for solar measurement applications. The CC-UV/VIS/NIR-8MM has an 8-mm active area, while the CC-UV/VIS/NIR-5.0 offers a 5° angular field of view. The spectroradiometric sampling optics are designed to collect light over 180°, eliminating the problems with interface geometry that are associated with other light collection devices. Both versions offer Radin quartz diffusing material optimized for applications from 200 to 2500 nm. 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