The rays which travel in a helical path through an optical fiber are called ______.

The cutback technique is a/an _______.

The first generation optical fibers are fabricated from:

Which one is a fiber dispersion measurement method?

Which one is a characteristic of an injection LASER?

The population inversion phenomenon in optical sources occurs when _________.

Intersymbol interference (ISI) in optical fibers occurs due to ______.

FDDI can support a data rate of

For a multimode optical graded index fiber, the profile parameter (α) will be equal to:

Mirrors are placed in LASER optical sources to maintain conditions for ________.

The LASER is a/an