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. Signals in form of light pulses are fed at one end of an optical fibre of circular cross-section of radius r. All the rays from the source lie within a cone of half angle 0 measured from the axis of the optical fibre. The refractive index of the material of the fibre is u. A light pulse lasts for a duration rand two pulses are separated by a time interval At from each other. What can be the maximum length of the fibre so that the output pulses are still distinguishable? Light Pulses Anu. LE CAt Alsece-

. Signals in form of light pulses are fed at one end of an optical fibre of circular cross-section of radius r. All the rays from the source lie within a cone of half angle 0 measured from the axis of the optical fibre. The refractive index of the material of the fibre is u. A light pulse lasts for a duration rand two pulses are separated by a time interval At from each other. What can be the maximum length of the fibre so that the output pulses are still distinguishable? Light Pulses Anu. LE CAt Alsece-

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i Signals in form of light pulses are fed at one end of an optical fibre of eircular cross-section of radius r. All the rays from the source lie within a cone of half angle 0 measured from the axis of the optical fibre. The refractive index of the material of the fibre is u. A light pulse lasts for a duration rand two pulses are separated by a time interval At from each other. What can be the maximum length of the fibre so that the output pulses are still distinguishable? o At Light Pulses An LE CAt (i-タフカダ)
Transcribed Image Text:i Signals in form of light pulses are fed at one end of an optical fibre of eircular cross-section of radius r. All the rays from the source lie within a cone of half angle 0 measured from the axis of the optical fibre. The refractive index of the material of the fibre is u. A light pulse lasts for a duration rand two pulses are separated by a time interval At from each other. What can be the maximum length of the fibre so that the output pulses are still distinguishable? o At Light Pulses An LE CAt (i-タフカダ)
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