Exam 19: Fiber Optics

Fiber optic cable is __________electromagnetic interference.

__________are preferred over other types of photo detection devices because of their speed of operation.

There are three basic types of fiber optic connectors: the __________, the bayonet, and the push-pull.

What is the numerical aperture of a light source?

The core of a fiber optic cable is composed of either __________or plastic.

The__________ is the speed at which light can travel through a material.

In glass optical fibers, the index of refraction is approximately 1.46 to __________.

What is the oldest type of connector, and what are its limitations?

__________is generally used to examine the fiber optic connection for possible problems.

The reason that light can travel through an optical fiber is because of__________ .

Discuss modal dispersion as it relates to single-mode and multimode cables.

Briefly describe two conditions that generally account for poor connections in fiber optic systems.

With fiber optic systems, losses due to poor connection can be substantial. Losses are measured in__________ .

A type of multimode cable called cable__________ has a core made of concentric rings.

Fiber optic lighting systems are composed of three primary sections: the__________ , the cable, and the end fixtures.

Fiber optic cables are composed of three sections: the core, the __________, and the sheath.

What are the advantages of fiber optic lighting over conventional lighting?

Coaxial cable can carry about __________mbps of data.

__________is a measure of the range of colors that are emitted by the light source.

The __________type connector has become very popular for connecting fiber optic cables because it offers excellent alignment and has less back reflection than other types of connectors.