VTT MIKES is a metrology facility for SI unit realisations, high-accuracy measurements, measurement innovations and calibration technologies. It provides high-end measurement innovations, capabilities and tools for demonstrating quality of measurements, and worldwide recognised measurements and calibrations.| VTT
Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.| www.optica.org
The goal of the Index is to make the principles and application of fair use more accessible and understandable to the public by presenting a searchable database of court opinions, including by category and type of use (e.g., music, internet/digitization, parody).| www.copyright.gov