Answer to Question #348655 in Optics for loini bhila

Question

a silica optical fiber with a core diameter large enough to be considered by ray theory analysis has a core refractive index of 1.50 and a cladding refractive index of 1.47.determine the critical angle at the core-cladding interface.

Answer 1

$\alpha=\arcsin\frac {n_2}{n_1}=78.5°.$