List the two principal optical detectors used in fiber optic systems.

List the two principal optical detectors used in fiber optic  systems.
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1 Answer

Answer :

The semiconductor positive-intrinsic-negative (PIN) photodiode  and avalanche photodiode (APD).
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List five precautions to take when installing fiber optic systems on board naval ships.

Description : List five precautions to take when installing fiber optic systems on board naval ships.

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Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?

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What type of modulation do most analog fiber optic communications systems use?

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In fiber optic systems, designers consider what trade-offs?

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List four system topologies that can be constructed using point-to-point fiber optic links.

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Last Answer : Transmitter, optical fiber, and receiver.

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Description : List the three parts of an optical fiber.

Last Answer : Core, cladding, and coating or buffer.

SONET stands for ∙ a. System Optical Network ∙ b. Synchronous Optical Network ∙ c. Silica Optic Network ∙ d. System Optical Fiber Net

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LEDs operating at 850 nm provide sufficient optical power for short-distance, low-bandwidth multimode systems. List three conditions that prevent the use of LEDs in longer distance, higher bandwidth multimode systems.

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Fiber optic connectors can reduce system performance by increasing what two types of noise?

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Last Answer : Modal and reflection.

What are the two types of output interfaces for fiber optic transmitters?

Description : What are the two types of output interfaces for fiber optic transmitters?

Last Answer : Optical connectors and optical fiber pigtails.

What are the two basic types of preamplifiers used in fiber optic receivers?

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What is the difference between passive and active fiber optic couplers?

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What connection properties result in fiber optic connector coupling loss?

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Define a fiber optic splice.

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Which fiber optic component (splice, connector, or coupler) makes a permanent connection in a distributed system?

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What are the three parts of a fiber optic transmitter?

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Last Answer : Interface circuit, source drive circuit, and an optical source.

What is a fiber optic receiver?

Description : What is a fiber optic receiver?

Last Answer : An electro-optic device that accepts optical signals from an optical fiber and converts them into electrical signals

Why is it generally only necessary to refer to point-to-point data links when discussing the process of fiber optic system design?

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Last Answer : Because fiber optic systems that incorporate complex architectures can be simplified into a collection of point-to-point data links before beginning the design process.

What is the main disadvantage of using fiber-optic cables?

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What effect does noise have on the fiber optic signal?

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Describe the basic functions of a fiber optic data link

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Which of the following is not a common application of fiber-optic cable? ∙ a. Computer networks ∙ b. Long-distance telephone systems ∙ c. Closed circuit TV ∙ d. Consumer TV

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Two methods describe how light propagates along an optical fiber. These methods define two theories of light propagation. What do we call these two theories?

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Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?

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When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

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optical launch conditions exists if the launch spot size and angular distribution are larger than that of the fiber core?

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Does underfilling a multimode optical fiber excite mainly high-order or low-order modes?

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What are the main causes of absorption in optical fiber?

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What type of optical fiber operates below the cutoff

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The index of refraction measures the speed of light in an optical fiber. Will light travel faster in an optically dense material or in one that is less dense?

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