Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury
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Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Description : Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Last Answer : ANSWER: A

Optical Fiber Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Description : Optical Fiber Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Last Answer : ANSWER: A

Optical fibers for telecommunications are typically about _____ mils thick and consists of a glass core, a glass cladding of lower index of refraction, and a protective coating ∙ a. 5 ∙ b. 6 ∙ c. 7 ∙ d. 8

Description : Optical fibers for telecommunications are typically about _____ mils thick and consists of a glass core, a glass cladding of lower index of refraction, and a protective coating ∙ a. 5 ∙ b. 6 ∙ c. 7 ∙ d. 8

Last Answer : ∙ a. 5

Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Description : Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Last Answer : (c) Optical fibres are made up of thin strands of glass like material.

The ultrapure glass used to manufacture optical fibers is approximately ___pure ∙ a. 99.9 % ∙ b. 99.99 % ∙ c. 99.999 % ∙ d. 99.9999 %

Description : The ultrapure glass used to manufacture optical fibers is approximately ___pure ∙ a. 99.9 % ∙ b. 99.99 % ∙ c. 99.999 % ∙ d. 99.9999 %

Last Answer : d. 99.9999 %

_______uses two optical fibers anda long-wavelaser source. A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Description : _______uses two optical fibers anda long-wavelaser source. A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Last Answer : 1000Base-LX

______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Description : ______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above

Last Answer : 1000Base-LX

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?

Description : 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?

Last Answer : T-coupler

Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?

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.

What is the basic fiber cleaving technique for preparing optical fibers for coupling?

Description : What is the basic fiber cleaving technique for preparing optical fibers for coupling?

Last Answer : Score-and-break.

Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Last Answer : LDs.

List the three techniques used by manufacturers to buffer optical fibers.

Description : List the three techniques used by manufacturers to buffer optical fibers.

Last Answer : Tight-buffered, loose-tube, and gel-filled loose-tube.

List three benefits that properly cabled optical fibers provide.

Description : List three benefits that properly cabled optical fibers provide.

Last Answer : a. Protect optical fibers from damage or breakage during installation and over the fiber's lifetime. b. Provide stable fiber transmission characteristics compared with uncabled fibers. c. Maintain the physical integrity of the optical fiber.

List the types of materials used in fabricating low-loss, long wavelength optical fibers.

Description : List the types of materials used in fabricating low-loss, long wavelength optical fibers.

Last Answer : Heavy-metal fluorides, chalcogenide glasses, and crystalline materials.

Multimode optical fibers can have a step-index or graded index refractive index profile. Which fiber, multimode step-index or multimode graded-index fiber, usually performs better?

Description : Multimode optical fibers can have a step-index or graded index refractive index profile. Which fiber, multimode step-index or multimode graded-index fiber, usually performs better?

Last Answer : Multimode graded-index fiber

A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Description : A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Last Answer : Second-order mode.

Will an optical fiber's attenuation coefficient vary with changes in wavelength?

Description : Will an optical fiber's attenuation coefficient vary with changes in wavelength?

Last Answer : Yes.

Optical fibers or cables should never be bent at a radius of curvature smaller than a certain value. Identify this radius of curvature Optical fibers or cables should never be bent at a radius of curvature smaller than a certain value. Identify this radius of curvature

Description : Optical fibers or cables should never be bent at a radius of curvature smaller than a certain value. Identify this radius of curvature

Last Answer : Minimum bend radius.

What are the two basic types of optical fibers?

Description : What are the two basic types of optical fibers?

Last Answer : Multimode and single mode fibers.

How can loss be reduced during construction (or fabrication) of optical fibers?

Description : How can loss be reduced during construction (or fabrication) of optical fibers?

Last Answer : By removing the impurities from optical fiber.

Unlike coax and twisted pair, optical fibers are immune to

Description : Unlike coax and twisted pair, optical fibers are immune to  a. High-frequency transmission b. Signal attenuation c. Power loss d. Electromagnetic interference

Last Answer : Unlike coax and twisted pair, optical fibers are immune to Electromagnetic interference

Light travels along optical fibers by

Description : Light travels along optical fibers by

Last Answer : Light travels along optical fibers by Total internal reflection

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) Replication completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

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What are the two methods used by fiber manufacturers to fabricate multimode and single mode glass fibers?

Description : What are the two methods used by fiber manufacturers to fabricate multimode and single mode glass fibers?

Last Answer : Vapor phase oxidation and direct-melt process.

Silica (pure glass) fibers are used because of their low intrinsic material absorption at the wavelengths of operation. This wavelength of operation is between two intrinsic absorption regions. What are these two regions called? What are the wavelengths of operation for these two regions?

Description : Silica (pure glass) fibers are used because of their low intrinsic material absorption at the wavelengths of operation. This wavelength of operation is between two intrinsic absorption regions. What are these two regions called? What are the wavelengths of operation for these two regions?

Last Answer : Ultraviolet absorption region (below 400 nm) and infrared absorption region (above 2000 nm).

Classify the following materials as metals and non-metals : Hydrogen, Sulphur, Selenium, Manganese, Calcium, Platinum, Gold, Silica, Polyester, Wood, Glass, Iron

Description : Classify the following materials as metals and non-metals : Hydrogen, Sulphur, Selenium, Manganese, Calcium, Platinum, Gold, Silica, Polyester, Wood, Glass, Iron 

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Last Answer : "Many of us know this from childhood: Someone broke a mercury thermometer and bouncing balls of loose media spread in all directions. Whoever knew about the dangers of toxic fumes, was ... Toxicological Information Center, How to proceed Properly when cleaning mercury from a broken thermometer

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Description : Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

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The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

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(1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco and most non-specialty grout. It usually originates from limestone. It is a fine powder produced by grinding Portland cement. clinker (more than 90%), a limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.

Description : (1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco ... limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.

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Description : Ladies, why do you put your loose strands of hair on the shower wall?

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Description : What are coiled protein strands that have barbs tipped with poisin called?

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Description : Why are the two strands of the double helix described as being complementary?

Last Answer : Complementarity is the key to understand the stability of the double helix of DNA in the Watson-Crick model (the most stable among other conformations). DNA complementarity property is determined by ... close to unity for deoxyribose nucleic acid." (In perfect agreement with the Chargaff's rules)

What is a molecole that consists of two complimentary strands connected by base pairs?

Description : What is a molecole that consists of two complimentary strands connected by base pairs?

Last Answer : Feel Free to Answer

What is long uncoiled strands of DNA in animal cell?

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What 3 cultural strands contributed to Mexico's culture?

Description : What 3 cultural strands contributed to Mexico's culture?

Last Answer : Need answer

Why are the two strands of the double helix described as being complementary?

Description : Why are the two strands of the double helix described as being complementary?

Last Answer : Complementarity is the key to understand the stability of the double helix of DNA in the Watson-Crick model (the most stable among other conformations). DNA complementarity property is determined by ... close to unity for deoxyribose nucleic acid." (In perfect agreement with the Chargaff's rules)