A light ray entering an optical fiber (made from crown glass) surrounded by air is first refracted and then reflected as shown below. 01 ոլ | ոշ 03 *02 Figure Description a. What is the minimum angle B₁ (greater than or equal to 0) at which an incident ray will still be totally internally reflected? Hint for (a) Minimum angle 8₁ = deg. (Only enter values 0 or greater.) b. What is the maximum angle e₁ (smaller than 90 deg) at which an incident ray will still be totally internally reflected? Hint for (b) Maximum angle e₁ = deg. c. If the optical fiber is made with material other than crown glass, what minimum value n₂ is needed for refractive index of the material to ensure that all incident rays are totally internally reflected? Hint for (c) Minimum n₂ needed =
A light ray entering an optical fiber (made from crown glass) surrounded by air is first refracted and then reflected as shown below. 01 ոլ | ոշ 03 *02 Figure Description a. What is the minimum angle B₁ (greater than or equal to 0) at which an incident ray will still be totally internally reflected? Hint for (a) Minimum angle 8₁ = deg. (Only enter values 0 or greater.) b. What is the maximum angle e₁ (smaller than 90 deg) at which an incident ray will still be totally internally reflected? Hint for (b) Maximum angle e₁ = deg. c. If the optical fiber is made with material other than crown glass, what minimum value n₂ is needed for refractive index of the material to ensure that all incident rays are totally internally reflected? Hint for (c) Minimum n₂ needed =
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Question
![A light ray entering an optical fiber (made from crown glass) surrounded by air is first refracted and
then reflected as shown below.
01
ոլ | ոշ
03
*02
Figure Description
a. What is the minimum angle B₁ (greater than or equal to 0) at which an incident ray will still be
totally internally reflected?
Hint for (a)
Minimum angle 8₁ =
deg. (Only enter values 0 or greater.)
b. What is the maximum angle e₁ (smaller than 90 deg) at which an incident ray will still be totally
internally reflected?
Hint for (b)
Maximum angle e₁ =
deg.
c. If the optical fiber is made with material other than crown glass, what minimum value n₂ is
needed for refractive index of the material to ensure that all incident rays are totally internally
reflected?
Hint for (c)
Minimum n₂ needed =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55bef063-ab80-471e-b8ef-db672c4a154c%2F64a19161-bb45-46b5-a84e-966b9a7a21ab%2F5flsil7b_processed.png&w=3840&q=75)
Transcribed Image Text:A light ray entering an optical fiber (made from crown glass) surrounded by air is first refracted and
then reflected as shown below.
01
ոլ | ոշ
03
*02
Figure Description
a. What is the minimum angle B₁ (greater than or equal to 0) at which an incident ray will still be
totally internally reflected?
Hint for (a)
Minimum angle 8₁ =
deg. (Only enter values 0 or greater.)
b. What is the maximum angle e₁ (smaller than 90 deg) at which an incident ray will still be totally
internally reflected?
Hint for (b)
Maximum angle e₁ =
deg.
c. If the optical fiber is made with material other than crown glass, what minimum value n₂ is
needed for refractive index of the material to ensure that all incident rays are totally internally
reflected?
Hint for (c)
Minimum n₂ needed =
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