EntityQ2918867· pop 5· linked from 8 articlesNormalized frequencySign in to saveparameter for multimode optical fibersConnectionsoptical fiberEntitywavelengthEntityrefractive indexEntityBessel functionEntityAbbe numberEntitynumerical apertureEntityGeneral Services AdministrationEntitycopyright status of works by the federal government of the United StatesEntityMIL-STD-188EntityCategoriesFiber optics