A cross-sectional view of an optical fiber is shown in the figure. The optical fiber has core and cladding refractive indices of ncore and neladding, and critical angle 0je. Which of the following conditions must be satisfied in order to have total internal reflection in the optical fiber? (a) ncore > ncladding 0; > 0ic cladding (b) ncore > ncladding 0; < 0ịc core (c) ncore < ncladding O; < 0ịc n cladding (d) ncore = ncladding O; > Bic (e) None of the above
A cross-sectional view of an optical fiber is shown in the figure. The optical fiber has core and cladding refractive indices of ncore and neladding, and critical angle 0je. Which of the following conditions must be satisfied in order to have total internal reflection in the optical fiber? (a) ncore > ncladding 0; > 0ic cladding (b) ncore > ncladding 0; < 0ịc core (c) ncore < ncladding O; < 0ịc n cladding (d) ncore = ncladding O; > Bic (e) None of the above
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Transcribed Image Text:A cross-sectional view of an optical fiber is shown in the figure. The optical fiber has core and
cladding refractive indices of ncore and neladding, and critical angle Oic. Which of the following
conditions must be satisfied in order to have total internal reflection in the optical fiber?
a
ncore > Ncladding
Oi > Oịc
cladding
(b) ncore > Ncladding
O; < Oịc
n.
(c) ncore < ncladding
0; < Oịc
core
cladding
(d) ncore = Ncladding
0; > Oịc
(e) None of the above
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