ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY
Equipment for measuring transmittance. Polystyrene standards used to determine the transmittance of ultraviolet (UV), visible and near-infrared NIR) light through different materials. Transmittance is how much a ray of light of a specified wavelength passes through a sample on hitting the surface. Photographed at the National Physical Laboratory, in Teddington, UK.
Model release not available. Property release not required.