Fiber 10-18-2018BH

Question 1

A device that generates a light source used in optical fiber communication

Answer 1

Laser

Question 2

What does LASER stand for ?

Answer 2

Light Amplification Stimulated by Emission of Radiation

Question 3

An extremely thin flexible thread of pure cladded glass able to carry millions of times the information of a traditional copper wire, and do it over greater distances

Answer 3

Optical Fiber

Question 4

What is the diameter of an Optical Fiber?

Answer 4

125 microns

Question 5

The distance between two points of like phase in a wave?

Answer 5

Wavelength

Question 6

A card made up of material similar to photographic film that changes colors when exposed to light?

Answer 6

Photosensitive Card

Question 7

Wavelengths above ___ nm are not visible to the human eye?

Answer 7

650 nm

Question 8

5 types of Laser Classifications?

Answer 8

Class 1, Class 2/2A, Class 3A, Class 3B, Class 4

Question 9

ANSI standard for lasers

Answer 9

Z-136

Question 10

What is the range for visible light?

Answer 10

390nm - 780nm and 384THz - 769 THz

Question 11

2 Types of fiber

Answer 11

single- mode and multi-mode

Question 12

What is the size of the core?

Answer 12

8-10 microns

Question 13

What is the size of the cladding?

Answer 13

125 microns

Question 14

What is the size of the coating?

Answer 14

250 microns

Question 15

The center of the fiber that carries the transmitted light?

Answer 15

Core

Question 16

The glass material surrounding the fiber core?

Answer 16

Cladding

Question 17

The acrylic or plastic material applied over the optical fiber core and cladding?

Answer 17

Coating

Question 18

The ratio of the velocity of light of two mediums of optical glass?

Answer 18

Refractive Index

Question 19

Different fiber packaging configurations

Answer 19

Fiber Bundles

Question 20

A photodiode used to detect light from an optical fiber and convert the light to an electrical source?

Answer 20

PIN Diode

Question 21

Sum of all the losses associated with a fiber link between the optical fiber transmitter and the optical fiber receiver

Answer 21

Loss Budget

Question 22

What does OTDR stand for?

Answer 22

Optical Time Domain Reflectometer

Question 23

A jumper cable for optical connections

Answer 23

Pigtail

Question 24

A board for making optical connections consisting of sleeves used to line up two connectors

Answer 24

Patch Panel

Question 25

Fibers are contained in a plastic tube much larger than the optical fibers

Answer 25

Loose Tube

Question 26

Color-coded tubes that house and protect the optical fibers within a fiber optic cable

Answer 26

Buffer Tubes

Question 27

What is the color scheme for Fiber Optic Cable?

Answer 27

1.Blue 2. Orange , 3. Green , 4. Brown , 5. Slate, 6. White, 7. Red , 8. Black, 9. Yellow ,10. Violet ,11. Rose, 12. Aqua

Question 28

Method of joining two optical fibers of the same type using and electrical arc to form a precision splice

Answer 28

Fusion Splicing

Question 29

A temporary joining of two optical fibers of the same tube using a plastic form to hold and lock the fibers together The loss is greater than a fusion splice

Answer 29

Mechanical Splicing

Question 30

A device that scores and then breaks the optical fiber to prepare it for splicing

Answer 30

Cleaver

Question 31

What is used to remove gel from the fibers?

Answer 31

At least 90% pure Isopropyl alcohol

Question 32

Name two types of fusion splicers

Answer 32

1. LID (local injection and detection | 2. Profile Alignment

Question 33

A string included as part of the optical fibers protection , used to separate and cut the outer jacket and the armor

Answer 33

Rip Cord

Question 34

What is the maximum loss for a fusion splice?

Answer 34

.05 dB

Question 35

A rectangular plastic form used to connect optical fiber to optical devices

Answer 35

Snap Connector

Question 36

Used like a snap connector but a twist lock feature much like a BNC RF connector

Answer 36

Ferruled Connector

Question 37

What does UPC stand for?

Answer 37

Ultra Polished Connector

Question 38

What does APC stand for?

Answer 38

Angled Polished Connector

Question 39

Precision polished flat cut to provide a precision mating of the two optical fiber glass surfaces

Answer 39

UPC connector

Question 40

uses an 8-12 degree angled cut end

Answer 40

APC connector

Question 41

A special optical fiber connector used in gigabit Ethernet Devices

Answer 41

LCSC connector

Question 42

Enables different wavelengths to carried on a single optical fiber

Answer 42

Wave Division Multiplexing

Question 43

An electronic or optical process that combines several individual signals or wavelengths into s single carrier or path

Answer 43

Multiplexing

Question 44

What does DWDM stand for?

Answer 44

Dense Wave Division Multiplexing

Question 45

Allows multiple wavelengths above and below a center wavelength to be carried on a single optical fiber

Answer 45

Dense Wave Division Multiplexing (DWDM)

Question 46

A connection point in a cable system where a fiber enters a neighborhood and the optical signal is converted to an electrical signal to connect to coaxial cables serving 200 - 1800 individual homes

Answer 46

Node

Question 47

455nM--wavelength color

Answer 47

Violet

Question 48

480nM--- wavelength color

Answer 48

blue

Question 49

550nM--- wavelength color

Answer 49

green

Question 50

750nM--- wavelength color

Answer 50

Red

Question 51

1310nM--- wavelength color

Answer 51

infrared

Question 52

total internal reflection was first demonstrated, by whom, in what year?

Answer 52

john tindal, 1854. (demonstrated how light reflected through a stream of water to the Royal society of London)