Multiple choice questionABC or D Air in the cladding yield

* Multiple choice question-A,B,C or D *

Air in the cladding yields a fiber with a _____ index step.

A. unpredictable

B. zero

C. small

D. large

Solution

option D

because Increasing the air-filling fraction in the cladding typically leads to multimode behavior. An elliptical core can create a highly birefringent fiber that is polarization maintaining.