Fiber-Optical Power-Quizlet

Question 1

Light and radio waves travel
at a speed of

Answer 1

300 million meters per second

Question 2

This color corresponds to the shortest wavelngth in the
visible spectrum

Answer 2

Violet

Question 3

This color corresponds to the longest wavelength in the
visible spectrum

Answer 3

Red

Question 4

This is the measure of the speed reduction compared to vaccum than inside the
core

Answer 4

Index of Refraction

Question 5

Optical fibers in broadband
communication have an index of refraction of this amount

Answer 5

1.47

Question 6

The infared spectrum is divided into how many
optical bands

Answer 6

7 (850, OESCLU)

Question 7

Multimode fiber diameter and core size

Answer 7

125 micronmeter , 50-62.5 micronmeter

Question 8

Another fiber amplifier than
can support 120 km (75 mi)

Answer 8

YEDFA

Question 9

A lower power output laser than DFB and is least used
because of high dispersion

Answer 9

Fabry Perot

Question 10

Popular laser used in HFC today. Linearity and have high
output levvels of 11 dBm

Answer 10

Distributed Feedback (DFB)

Question 11

TO increase the capacity of an optical fiber by sending multiple simultaneous signals each on a separate
wavelength

Answer 11

DWDM

Question 12

Convential HFC networks are
referred to as

Answer 12

FTTN

Question 13

EPON

Answer 13

Ethernet Passive Optical Network

Question 14

RFoG

Answer 14

Radio Frequency over Glass

Question 15

GPON

Answer 15

Gigabit Passive Optical Network

Question 16

Fiber bending limits for single
mode

Answer 16

1 inch

Question 17

This type of fiber has groups
contained in buffer tubes

Answer 17

Stranded loose tube

Question 18

This type of fibefr contains multiple bundles of fibers that
loosely grouped in a tube

Answer 18

Central loose tube

Question 19

This FTTx architecture that uses fiber to replace all or part of the copper local loop
or coaxial cable

Answer 19

FTTP

Question 20

These are the 2 methods of encoding information
eletrical to optical

Answer 20

Baseband and Aim

Question 21

directly encodes digital 1’s and 0’s as pulses of light

Answer 21

Baseband modulation

Question 22

Single mode cladding
diameter and core size

Answer 22

125 micrometer, 9 micronmeters

Question 23

Fiber cables fall into 2
categories

Answer 23

central loose tube, stranded loose tube

Question 24

This type of fiber has multiple
fibers arranged in a flat row

Answer 24

Ribbon fibers

Question 25

This type of fiber is used where multiple paths or bi- directional paths and offers the greatest density for low
diameter locations

Answer 25

Ribbon fibers

Question 26

this can be used to recover
the original RF signal at the output of the optical link

Answer 26

photodiode

Question 27

is a measure in the reduction
of the speed of light

Answer 27

Index of Refraction

Question 28

mW =

Answer 28

milliwatt

Question 29

The range of wavelengths that are typically used in fiber
networks are

Answer 29

850 - 1650 nm

Question 30

is the unit used to represent the power of transmitted light
in FTTP networks

Answer 30

dBm

Question 31

What is the rule of power is
doubled or cut in 1/2

Answer 31

3 dB rule

Question 32

1,000 mW =

Answer 32

30 dBm

Question 33

800 mW= __dBm

Answer 33

29 dBm

Question 34

Optical splitters can vary in
this range

Answer 34

2 - 256

Question 35

The most common splitter
used in RFoG, EPON, GPON is

Answer 35

32 way splitter

Question 36

32 way fiber splitter has loss of

Answer 36

17.5 dB

Question 37

dBm formula

Answer 37

10log(mW)