Term of the Moment
echo
Definition: cladding
The plastic or glass sheath that is fused to and surrounds the core of an optical fiber. The cladding's mirror-like coating keeps the light waves reflected inside the core. The cladding is covered with a protective outer jacket. See fiber optics glossary.
Cladding
The cladding covers the inner core of the fiber which is the actual pathway that the light travels through.