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Exam (elaborations)

Fiber Optics QUESTIONS & ANSWERS(RATED A)
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  • Fiber Optics
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  • Fiber Optics

Mode Field Diameter - ANSWER The diameter of the light emerging from the end of the fiber is also termed... core, cladding, and prime coating - ANSWER The basic construction of fiber is: zig-zag - ANSWER A multimode step-index fiber transmits light down the fiber in what pattern?

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  • September 18, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • fiber optics
  • fiber optics questions answersrated a
  • mode field diameter answer the diameter of the l
  • core cladding and prime coating answer the bas

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  • Fiber Optics
  • Fiber Optics

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shantelleG

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Fiber Optics QUESTIONS &
ANSWERS(RATED A)

Mode Field Diameter - ANSWER The diameter of the light emerging from the end of the fiber is also
termed...



core, cladding, and prime coating - ANSWER The basic construction of fiber is:



zig-zag - ANSWER A multimode step-index fiber transmits light down the fiber in what pattern?



Single-Mode - ANSWER This type of fiber has only one mode for the light to travel down.



glass core and plastic cladding - ANSWER Plastic-clad silica cables have what kind of construction?



material dispersion - ANSWER different wavelengths travel at different speeds along the same path



5-10 micrometers - ANSWER the typical core diameter range for single-mode fiber optic cables



125 micrometers - ANSWER typically the cladding of a fiber, regardless of its core size is what diameter?



waveguide dispersion - ANSWER a singe wavelength travels at different speeds in different materials



.50 km - ANSWER if you are using a fiber optic cable that is designed to transmit 600 MHz for a distance
of .75 km, how far could an 800 MHz signal travel on the same cable



microbend loss - ANSWER little bumps in the core at the junction of the core and cladding are called?

, frequency goes up - ANSWER distance goes down



attenuation - ANSWER dB/Km is how ________ of optical power is measured



numerical aperature - ANSWER The _______ ________ of the optical source, fiber, and optical receiver
must match for best transmission



tight buffer - ANSWER allows a lower tensile strength but a higher impact and crush resistance



plenum-duty fiber - ANSWER type fiber used if you are installing it in a return air vent / space in a
building



strength members - ANSWER the part of the fiber optic cable that allows you to pull it when you are
installing it



MHz per Km - ANSWER many manufacturers specify bandwidth-length in ______ instead of specifying
dispersion in the modal offerings



300 dB/Km - ANSWER plastic fiber would have an attenuation in the range of



shorter wavelength - ANSWER rayleigh scattering decreases with ________ light waves



Graded Index Fiber - ANSWER fiber optic cable constructed by layers of increasing index of refraction
core material



single mode fiber - ANSWER when using ________ fiber optic cable you must worry about matching the
cable to the frequency of the light you are transmitting more than other types of cable



single mode fiber - ANSWER has smaller core so it is particular about light frequency



modal dispersion - ANSWER doesn't exist in single mode fiber (zig-zag flatlines out)

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