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.
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A step index fibre has a numerical aperture of 0.16, a core
refractive index of 1.45...
A step-index multimode glass fibre, with a core diameter of 50 um and cladding refractive index of 1.45, is designed to...
A step-index multimode glass fibre, with a core diameter of 50 um and cladding refractive index of 1.45, is designed to limit the intermodal dispersion to 10ns/km 9. Find its acceptance angle а. Calculate the maximum bit rate for transmission over a distance of 20 km b.
A step-index multimode glass fibre, with a core diameter of 50 um and cladding refractive index of 1.45, is designed to limit the intermodal dispersion to 10ns/km 9. Find its acceptance angle а....
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
6. An optical fiber has an acceptance angle of 10.95 degrees. What's the numerical aperture for...
6. An optical fiber has an acceptance angle of 10.95 degrees. What's the numerical aperture for this fiber? A. 0.16 B. 1.02 C. 0.27 D. 0.19 7. An optical fiber has a core refractive index of 1.495 and a cladding refractive index of 1.47. What's the acceptance angle for this fiber? A. 13.11° B. 0.272° C. 9.79° D. 15.80° 8. While traveling through a cable, a signal loses 18.7 percent of its original power. What's this loss expressed in dB?...
Graded-index plastic optical fibre (GI POF) is expected to be used for high- speed local area...
Graded-index plastic optical fibre (GI POF) is expected to be used for high- speed local area networks (LANS) because of its large core which allows for low cost and easy installation. A particular GI POF has a core diameter of 200um, a maximum core index of 1.500 and a numerical aperture of 0.30. 2.c.i 2.c.ii What is the maximum acceptance angle for this fibre? [2 marks] What is the refractive index of the cladding material for this fibre? 12 marks/...
A microscope objective is used with a numerical aperture NA= 1.0 and immersion oil of refractive...
A microscope objective is used with a numerical aperture NA= 1.0 and immersion oil of refractive index n = 1.414. Assuming that the wavelength of light λ =0.486 µm, find the resolution of the microscope and its aperture angle α.
EXERCISE 1.3-2 Numerical Aperture of the Graded-Index Fiber. Consider a graded-index fiber with the index profile...
EXERCISE 1.3-2 Numerical Aperture of the Graded-Index Fiber. Consider a graded-index fiber with the index profile in (1.3-12) and radius a. A tay is incident fro a nto te fibe a its center, making an angle with the fiber axis (see Fig. 1.3-8). Show, in the paraxial Figure 1.3-8 Acceptance angle of a graded-index optical fiber approximation, that the numerical aperture is Numerical Aperture (Graded-Index Fiber) where ea is the maximum angle for which the ray trajectory is confined within...
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.
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.
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre...
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre A long cylinder of dielectric material can guide light via total internal reflection. This idea dates back to the 1870s and forms the basis of the modern fibre optics communication technology. As long as the diameter of these fibres is large compared to the wavelength of the infalling light, its wave nature is negligible and we can use Geometric Optics to study the propagation...
(b) Assuming in a symmetric step-index planar waveguide, the guide layer has a refractive index n...
Electromagnetic waves propagating between boundaries -wave
guides.
Please answer step by step
(b) Assuming in a symmetric step-index planar waveguide, the guide layer has a refractive index ni and the cladding slabs have a refractive index n2, Both ni and n2 are constant (independent of wavelength), and ni >n2. Derive equations, logic steps and draw plots that determine the propagation modes (TE and TM) in the guide
(b) Assuming in a symmetric step-index planar waveguide, the guide layer has a...
A step-index multimode glass fibre, with a core diameter of 50 um and cladding refractive index of 1.45, is designed to limit the intermodal dispersion to 10ns/km 9. Find its acceptance angle а. Calculate the maximum bit rate for transmission over a distance of 20 km b.
A step-index multimode glass fibre, with a core diameter of 50 um and cladding refractive index of 1.45, is designed to limit the intermodal dispersion to 10ns/km 9. Find its acceptance angle а....
Graded-index plastic optical fibre (GI POF) is expected to be used for high- speed local area networks (LANS) because of its large core which allows for low cost and easy installation. A particular GI POF has a core diameter of 200um, a maximum core index of 1.500 and a numerical aperture of 0.30. 2.c.i 2.c.ii What is the maximum acceptance angle for this fibre? [2 marks] What is the refractive index of the cladding material for this fibre? 12 marks/...
EXERCISE 1.3-2 Numerical Aperture of the Graded-Index Fiber. Consider a graded-index fiber with the index profile in (1.3-12) and radius a. A tay is incident fro a nto te fibe a its center, making an angle with the fiber axis (see Fig. 1.3-8). Show, in the paraxial Figure 1.3-8 Acceptance angle of a graded-index optical fiber approximation, that the numerical aperture is Numerical Aperture (Graded-Index Fiber) where ea is the maximum angle for which the ray trajectory is confined within...
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.
Problem 1: Fibre optics (2 points) Figure 1: Sketches of the geometry of an optical fibre A long cylinder of dielectric material can guide light via total internal reflection. This idea dates back to the 1870s and forms the basis of the modern fibre optics communication technology. As long as the diameter of these fibres is large compared to the wavelength of the infalling light, its wave nature is negligible and we can use Geometric Optics to study the propagation...
Electromagnetic waves propagating between boundaries -wave
guides.
Please answer step by step
(b) Assuming in a symmetric step-index planar waveguide, the guide layer has a refractive index ni and the cladding slabs have a refractive index n2, Both ni and n2 are constant (independent of wavelength), and ni >n2. Derive equations, logic steps and draw plots that determine the propagation modes (TE and TM) in the guide
(b) Assuming in a symmetric step-index planar waveguide, the guide layer has a...
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