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Optical Fiber Communication

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A signal is retrieved at the optical fiber end whose power is half that of the input power. Calculate the loss in fiber. Also, calculate the output power if the loss is 30 dB/km
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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A glass fibre exhibits material dispersion given by |λ2d2ndλ2| of 0.025. Determine the material dispersion parameter at a wavelength of 0.85μm,
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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A 6 km optical link consists of multimode step-index fiber with a core refractive index of 1.5 and a relative refractive index difference of 1%...
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Consider a bare step-index fiber with n1=1.46,n2=1.0 and a=50 μm. Show that the pulse dispersion is about 2240 ns/km.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Find the core radius necessary for single mode operation at 800 nm in step-index fiber with n1=1.48 and n2=1.47. Find the NA and maximum acceptance angle.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Calculate the number of modes at 820 nm in a graded index fibre having a parabolic index profile (α1=2), a 25μm core radius,...
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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A manufacturer wishes to make a silica core, step-index fiber with V=75 and a numerical aperture NA=0.30 to be used at 820 nm. If n1=1.458, what should the core..
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Determine the normalized frequency at 0.82μm for a step-index fiber having a 25μm core radius, n1=1.48 and n2=1.46. How many modes propagate in this fiber at..
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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A step-index fiber has normalized frequency V=266 at 1300 nm wavelength. If the core radius is 25μm, calculate the numerical aperture.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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An Optical fiber has a numerical aperture of 0.15 in air and a cladding refractive index of 1.50. Find the numerical aperture of the fiber in liquid with a refractive index of 1.30.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Optical fiber has a numerical aperture of 0.2 and a cladding refractive index of 1.59. Determine the acceptance angle for the fiber in water which has a refractive index of 1.33.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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A glass-clad fiber is made with a core glass of a refractive index of 1.5 and the cladding is doped to give an index difference of 0.0005. Determine, (a) the cladding refractive index,..
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Calculate the numerical aperture, acceptance angle, and critical angle of a fiber having a core refractive index of 1.5 and a cladding refractive index of 1.45.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Calculate the maximum value of the angle of incidence that a ray can make with the axis of a fiber such that it is guided through the fiber for the following fiber parameters...
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Problem 1 Consider a fibre with n1=1.48,n2=1.46 and core radius a=30μm. (a) Show that all rays making an angle θ<9.43∘ with the axis will be guided through the fibbe
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Write a Advantages of Fibber Optic Sensors in detail.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Briefly explain Distributed Bragg Reflector (DBR) Laser with diagram.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Write a short note on Integrated Absorption Modulators.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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What is Line Broadening? and also explain it's types.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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What is Coherence Length and Coherence Time? explain in detail.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Write a Characteristics of LEDs in detail.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Short Note: a. Transmission system model b. Power penalty c. Crosstalk d. Wavelength Stabilization
optical fiber communication updated 2.3 years ago by sagarkolekar ★ 11k
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Define Four-Wave Mixing (FWM) with diagram.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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Describe a Non-Zero Dispersion-Shifted Fibber in detail.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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What is Polarisation Mode Dispersion (PMD)? explain in detail.
optical fiber communication updated 2.3 years ago by prajapatijaimin • 3.3k
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