1. A fiber has a core with a refractive index of 1.53 and a cladding with...
1. A fiber has a core with a refractive index of 1.53
and a cladding with an index of 1.459. What is
the numerical aperture?
2. A fiber has a core with refractive index of 1.5 and a cladding
with an index of 1.465.
Determine what the confinement angle is?
3. A laser source has 4.5 mW coupled into a fiber. Calculate the
loss in dB if the power output is only
2.3 mW.
4. Schott brand BaK4 glass has a refractive index of 1.5688. What
is the critical angle for
total internal reflection in air?
5. A fiber has a specification of loss of .33 dB/km. Determine the
loss for a 45km length of this fiber
in dB
Homework Answers
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1. A fiber has a core with a refractive index of 1.53
and a cladding with...
Optical fiber has a core with refractive index 1.5, a cladding with refractive index 1.46 and...
Optical fiber has a core with refractive index 1.5, a cladding with refractive index 1.46 and a buffer coating with refractive index 1.4. What is the angle of total internal reflection in this fiber, if light is propagating in the core?
relative refractive index difference between the core axis and the cladding of a graded index fiber
The relative refractive index difference between the core axis and the cladding ofa graded index fiber is 0.7% when the refractive index at the core axis is 1.45.Estimate values for the numerical aperture of the fiber when:(a) the index profile is not taken into account; and(b) the index profile is assumed to be triangular.Comment on the results.
A step index fibre has a numerical aperture of 0.16, a core refractive index of 1.45...
A step index fibre has a numerical aperture of 0.16, a core refractive index of 1.45 and a core diameter of 90 mm. Calculate: 1. The refractive index of the cladding. 2. The acceptance angle θm and the confinement angle θ 0 m. 3. The approximate number of modes with a wavelength λ = 0.9 µm that the fibre can carry.
For optical fiber, the refractive index of the cladding compared to that of the core
For optical fiber, the refractive index of the cladding compared to that of the core Select one a. is always smaller b. is always larger c. can be either bigger or smaller depending on specification
please solve the electro-optics problem Refractive indices for a step-index fiber are 1.52 for the core...
please solve the electro-optics problem
Refractive indices for a step-index fiber are 1.52 for the core and 1.41 for the cladding. Determine: a) b) the critical angle; the numerical aperture; the maximum incidence angle om for light that is totally internally reflected.
a step index fiber with large core diameter compared with the wavelength of the transmitted light...
a step index fiber with large core diameter compared with the wavelength of the transmitted light has an acceptance angle in air of 22 and a relative refractive index difference of 3%.Estimate the numerical aperture and the critical angle at the core-cladding interface for the fiber
In the optical fiber below, the core has a refractive index equal to 1.5
In the optical fiber below, the core has a refractive index equal to 1.5 and a cladding of refractive index of 1.4. a) What is the speed of light inside the core? b) What is the critical angle at the core-cladding interface? c) What is the maximum angle "t" that the rays leaving the source of light should make with the axis of the fiber so that total internal reflections takes place at the core-cladding interface?
An optical fiber has a core of dense flint, ni = 1.66, and a cladding of...
An optical fiber has a core of dense flint, ni = 1.66, and a cladding of crown glass, n2 = 1.52. What is the highest angular aperture (half angle of the cone of light entering the fiber, O max) for light that is transmitted through the fiber? Please also show the expression (in terms of ni and nz) of the “numerical aperture (NA)” of the fiber, which is defined as NA=sinmax: c Omar 90 - 0 Cladding:12 Core: ni
1. An optical fiber has a core diameter of 4 micro-meters and the cladding refractive index...
1. An optical fiber has a core diameter of 4 micro-meters and the cladding refractive index n-= 1.46. In order to have a single mode propagation wavelengths at 850nm and above what is the maximum core refractive index we should use?
Consider a 15 km long step-index fiber with n1= 1.53 and n2 = 1.50. What is...
Consider a 15 km long step-index fiber with n1= 1.53 and n2 = 1.50. What is the attenuation per kilometer in this fiber if an input power of 0.500 W results in the output power of 0.100 W ? Calculate the critical angle at the core-cladding interface and the NA (numerical aperture) for the fiber.
please solve the electro-optics problem
Refractive indices for a step-index fiber are 1.52 for the core and 1.41 for the cladding. Determine: a) b) the critical angle; the numerical aperture; the maximum incidence angle om for light that is totally internally reflected.
An optical fiber has a core of dense flint, ni = 1.66, and a cladding of crown glass, n2 = 1.52. What is the highest angular aperture (half angle of the cone of light entering the fiber, O max) for light that is transmitted through the fiber? Please also show the expression (in terms of ni and nz) of the “numerical aperture (NA)” of the fiber, which is defined as NA=sinmax: c Omar 90 - 0 Cladding:12 Core: ni
1. An optical fiber has a core diameter of 4 micro-meters and the cladding refractive index n-= 1.46. In order to have a single mode propagation wavelengths at 850nm and above what is the maximum core refractive index we should use?
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