Assertion: fiber optic cable's core | /r/HasProperty | eight microns
Facets:
Source sentences:
text: SINGLE-MODE FIBER has a narrow core (eight microns or less), and the index of refraction between the core and the cladding changes less than it does for multimode fibers.
text: SINGLE-MODE FIBER has a narrow core (eight microns or less), and the index of refraction between the core and the cladding changes less than it does for multimode fibers.