Optics and optical instruments - Lasers and laser-related equipment - Test methods for laser beam power, energy and temporal characteristics (ISO 11554:1998); German version EN ISO 11554:1998— 9 стр.
Lasers and laser-related equipment - Test methods for laser beam parameters - Beam positional stability (ISO 11670:1999); German version EN ISO 11670:1999— 10 стр.