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Loss due to the diffraction of light when it strikes on the irregularities formed during the manufacturing process of the fiber optics.
Communications
It is the scattering of some of the light energy when monochromatic light is passed through a medium such as glass.
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An advantage of optic fiber rejecting an induced noise signals from magnetic field or solar storms flux.
Communications
Which of the following is not a source of attenuation in a fiber-optic cable?
Communications
._____ of the light detector increases the fall time.
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Which of the following is not used as an optical detector?
Communications
Compute the power for an ideal 1550-nm light source that generates 20 billion photons per second.
Communications
What type of optical transmitter requires no cladding on the fiber?
Communications
A fiber core is glass with n=1.5. Calculate the reflectivity (in percent) from air
Communications
What devices may be used as an optical fiber transmitter?
Communications
What are the rays which do not pass though the core axis, but follow a spiral path of reflecting segments down the fiber core?
Communications
The loss in signal power as light travels down a fiber is
Communications
A 1-km long optical fiber in air is made of fiber core with an index of refraction of 1.52 and a cladding with an index of refraction of 1.49, determine the acceptance angle.
Communications
What is the critical angle (of incidence) at a glass/fused quartz interface?
Communications
Which of the following colors of light rays has the shortest wavelength?
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Which of the following is not an advantage of optical fiber?
Communications
The ratio of the number of photoelectrons collected to the number of incident photons per unit time
Communications
It is an optical network transmission standard that has an international connectivity
Communications
What is the spreading of energy in time, which is caused by differing light wavelengths?
Communications
It is made from semiconductor material such as aluminum-galliumarsenide or gallium-arsenidephosphide.
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