At Fraunhofer IOF, custom-designed measurement techniques are developed for the characterization of surfaces and thin film coatings in the lab or even in the production line. Light scattering based methods combine advantages like sensitivity and accuracy with properties that are of crucial importance for practical applications such as non-contact measurements, high speed, and robustness, which makes them well-suited for fabrication environments. The different light scattering instruments range from high-sensitive laboratory equipment for measurements at various wavelengths to table-top tools and compact sensors: