Description : Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?
Last Answer : The optical source.
Description : What are the three parts of a fiber optic transmitter?
Last Answer : Interface circuit, source drive circuit, and an optical source.
Description : List five precautions to take when installing fiber optic systems on board naval ships.
Last Answer : a. Never bend an optical fiber or cable at a radius of curvature less than the minimum bend radius. b. Never pull fiber optic cables tight or fasten them over or through sharp corners or ... the hardware. e. Allow only trained, authorized personnel to install or repair fiber optic systems.
Description : List the two principal optical detectors used in fiber optic systems.
Last Answer : The semiconductor positive-intrinsic-negative (PIN) photodiode and avalanche photodiode (APD).
Description : List the types of fiber optic components considered part of a fiber optic cable plant.
Last Answer : Optical fiber cables, connectors, splices, mounting panels, jumper cables, and other passive components.
Description : List four system topologies that can be constructed using point-to-point fiber optic links.
Last Answer : Linear bus, ring, star, and tree topologies.
Description : List the three parts of a fiber optic data link
Last Answer : Transmitter, optical fiber, and receiver.
Description : What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators
Last Answer : D. Optic regenerators
Description : Calculate the total rise time for a fiber-optic system if the transmitter, receiver, and cable each have a rise time of 50 nanoseconds.
Last Answer : 86.6 nanoseconds
Description : Fiber-optic cable cannot be used: a. in an explosive environment b. to connect a transmitter to an antenna c. to isolate a medical patient from a shock hazard d. none of the above
Last Answer : b. to connect a transmitter to an antenna
Description : What is the difference between passive and active fiber optic couplers?
Last Answer : Passive couplers redistribute optical signals without optical-to electrical conversion.
Description : The Navy classifies fiber optic connectors in what two ways?
Last Answer : Light-duty and heavy-duty connectors.
Description : Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?
Last Answer : Butt-jointed connectors.
Description : Fiber optic connectors can reduce system performance by increasing what two types of noise?
Last Answer : Modal and reflection.
Description : What connection properties result in fiber optic connector coupling loss?
Last Answer : Poor fiber alignment and end preparation, fiber mismatches, and Fresnel reflection.
Description : Define a fiber optic splice.
Last Answer : A permanent fiber joint whose purpose is to establish an optical connection between two individual optical fibers.
Description : Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?
Last Answer : SLEDs and ELEDs.
Description : Which fiber optic component (splice, connector, or coupler) makes a permanent connection in a distributed system?
Last Answer : Splice.
Description : What are the two types of output interfaces for fiber optic transmitters?
Last Answer : Optical connectors and optical fiber pigtails.
Description : What are the two basic types of preamplifiers used in fiber optic receivers?
Last Answer : The high-impedance amplifier and the transimpedance amplifier.
Description : Why is detector saturation not generally a problem in fiber optic communications systems?
Last Answer : Because fiber optic communications systems operate at low optical power levels.
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
Description : Why is it generally only necessary to refer to point-to-point data links when discussing the process of fiber optic system design?
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.
Description : What type of modulation do most analog fiber optic communications systems use?
Last Answer : Intensity modulation.
Description : What is the main disadvantage of using fiber-optic cables?
Last Answer : High attenuation.
Description : In fiber optic systems, designers consider what trade-offs?
Last Answer : Trade-offs in fiber properties, types of connections, optical sources, and detector types in military and subscriber-loop applications.
Description : What effect does noise have on the fiber optic signal?
Last Answer : Noise obscures or reduces the quality of the signal.
Description : Describe the basic functions of a fiber optic data link
Last Answer : The basic functions of a fiber optic data link are to convert an electrical input signal to an optical signal, send the optical signal over an optical fiber, and convert the optical signal back to an electrical signal.
Description : What are the three most common types of packages?
Last Answer : TO, flat pack, DIP.
Description : Which of the following is not a common type of fiber-optic cable? a. Single-mode step-index b. Multimode graded-index c. Single-mode graded-index d. Multimode step-index
Last Answer : c. Single-mode graded-index
Description : 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
Last Answer : d. Consumer TV
Description : The most common device used as a light detector in fiber optic communications system. A. LED B. Darlington phototransistor C. APDs D. PIN diode
Last Answer : C. APDs
Description : Which of the following is not a common type of fiber-optic cable? ∙ A. single-mode step-index ∙ B. multimode graded-index ∙ C. single-mode graded-index ∙ D. multimode step-index
Last Answer : . single-mode graded-index
Description : Which of the following is not a common application of fiber-optic cable? ∙ A. computer networks ∙ B. long-distance telephone system ∙ C. closed-circuit TV ∙ D. consumer TV
Last Answer : ∙ D. consumer TV
Description : Which of the following is not a common type of fiber-optic cable? ∙ a. Single-mode step-index ∙ b. Multimode graded-index ∙ c. Single-mode graded-index ∙ d. Multimode step-index
Last Answer : ∙ a. Single-mode step-index
Description : 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
Description : The use of solitons on fiber-optic cables is: a. common b. experimental c. obsolete d. not possible
Last Answer : b. experimental
Description : What are the two most common semiconductor materials used in electronic and electro-optic devices?
Last Answer : Silicon and gallium arsenide.
Description : List six types of fiber mismatches.
Last Answer : Core diameter mismatch, cladding diameter mismatch, core ellipticity, core and cladding concentricity differences, NA mismatch, and refractive index profile differences.
Description : List the three basic errors that occur during fiber alignment.
Last Answer : Fiber separation (longitudinal misalignment), lateral misalignment, and angular misalignment.
Description : List the fiber geometrical measurements performed in the laboratory.
Last Answer : Cladding diameter, core diameter, numerical aperture, and mode field diameter.
Description : Microbend loss is caused by microscopic bends of the fiber axis. List three sources of microbend loss.
Last Answer : Uneven coating applications, improper cabling procedures, and external force.
Description : List the three parts of an optical fiber.
Last Answer : Core, cladding, and coating or buffer.
Description : List seven advantages of fiber optics over electrical systems.
Last Answer : Advantages of fiber optics are improved system performance, immunity to electrical noise, signal security, electrical isolation, reduced size and w
Description : When will fiber optic cable be cheaper?
Last Answer : Prices on my optic cable since update have stayed the same BUT the speed is six or seven times as faster.
Description : What is the best fiber optic internet company?
Last Answer : Verizon FiOS & Verizon Broadband Services offer blazing speed & crystal clarity of the 100% fiber optic Fios network & proven reliability for their TV, internet & phone products that will exceed your ... link below:ht tps://yaz ing .com/deals/verizon/SandroSalomonremove the blanks from the link
Description : Why Fiber Optic Cable is Safe in Data Transport ?
Last Answer : Optical fiber cable is safe for data transfer. It is a coating made of plastic or other materials , which protects the fiber from moisture , abrasion , sprains and other natural disasters. With ... Due to the high electrical resistance, this cable can be used with high voltage electrical equipment.
Description : What are the insulators used to make fiber optic cable ?
Last Answer : The insulators used to make fiber optic cable are Silicon Dioxide and Muli Component Glass (Soda Boro Silicet , NaOH Silicet etc.).
Description : Why does fiber optic cables transmit light?
Last Answer : bc it does
Description : What is fiber optic equipment and what does it do?
Last Answer : Fiber optic equipment may refer to equipment used to manufacture fiber optic cable. It may also refer to equipment that uses fiber optic cable, such as some telecommunication firms and DSL ... market are the connectivity fiber optic connection. It makes going online much faster and easier.