The many ‘modes’ of multimode

Fiber types are¬†differentiated as multimode or single mode. Single mode was always easy for me to understand but I could never quite understand what ‘multimode’ actually meant. I’m written some notes for myself on this topic that I thought I’d share. I’m sure some physicists will have an allergic reaction to my¬†take, but I’m happy to pay that price to learn a little more.

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