What is the difference between Singlemode and Multimode fibre optic cable?
Fibre optic cable is a wave guide. Light travels in multimode fibre in multiple modes. Typical core/cladding sizes are 62.5/125µm and 50/125µm. Light travel in singlemode fibre in one mode. Typical core/cladding size is 8.3~9.5/125µm.




