For the optical fiber shown in the figure, find the minimum angle of incidence (0;) that will result in total internal reflection ifthe refractive index for the cladding (2) is 1.40 and the refractive index of the core is (A.) n₁ = 1.59 and (B.) ni 1.74.=Cone of acceptancen₁CoreCladding (n.)0A. 0; ≥B. O≥

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Answered: For the optical fiber shown in the…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 124PQ

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A prism that has an apex angle of 50.0 is made of cubic zirconia. What is its minimum angle of deviation?
A good quality camera “lens” is actually a system of lenses, rather than a single lens, but a side effect is that a reflection from the surface of one lens can bounce around many times within the system, creating artifacts in the photograph. To counteract this problem, one of the lenses in such a system is coated with a thin layer of material (n=1.28) on one side. The index of refraction of the lens glass is 1.68. What is the smallest thickness of the coating that reduces the reflection at 640 nm by destructive interference? (In other words, the coating’s effect is to be optimized for =640 nm .)
If a microscope can accept light from objects at angles as large as =70 , what is the smallest structure that can be resolved when illuminated with light of wavelength 500 nm and (a) the specimen is in air? (b) When the specimen is immersed in oil, with index of refraction of 1.52?
If the apex angle in the previous problem is 20.0° and n = 1.50, what is the value of a?
Electric room heaters use a concave mirror to reflect infrared (IR) radiation from hot coils. Note that IR radiation follows the same law of reflection as visible light. Given that the mirror has a radius of curvature of 50.0 cm and produces an image of the coils 3.00 m away from the mirror, where are the coils?
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. (a) In a camera equipped with a 50-mm focal-length lens, the maximum distance that the lens can be from the film is 60 mm. What is the smallest distance an object can be from the camera if its image on the film is to be in focus? What is the magnification? (b) An extension tube is added between the lens and the camera body so that the lens can be positioned 100 mm from film. How close can the object be now? What is the magnification?
For the optical fiber shown in the figure, find the minimum angle of incidence (0;) that will result in total internal reflection if the refractive index for the cladding (n2) is 1.46 and the refractive index of the core is (A.) n1 = 1.51 and (B.) nị = 1.76. Cone of acceptance п, Core Cladding (n,) А. B.
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Optical fibers are a central part of technology for rapid information transmission with a high level of efficiency. A new type of optical fiber is crafted with an index of refraction n = less than that of water in the vicinity of room temperature, where NH2O fact that n < nH20 potentially problematic if the fiber should be submerged? 1.25 = 1.33. Why is the O A. Total internal reflection would be frustrated, allowing loss of signal. O B. Internal reflection would actually be enhanced, so there is no problem. C. Electric eels might have free internet access.
For the optical fiber shown in the figure, find the minimum angle of incidence (0;) that will result in total internal reflection if the refractive index for the cladding (n2) is 1.44 and the refractive index of the core is (A.) n¡ = 1.59 and (B.) n¡ = 1.79. 0. Cone of acceptance Core Cladding (n,) A. O; > В. 0, 2
Find the critical angle (Øeritical) at which total internal reflection will occur for the optical fiber in the image. The fiber core has a refractive index (n¡) of 1.56 and the cladding has a refractive index (n2) of 1.51. 0. Cone of acceptance Core Cladding (n,) Ocritical =

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