fiber Flashcards

1
Q

cable jacket color codes

A
om1 - 62.5/125 - orange
om2 - 50/125 - orange
om3 - laser optimized - 50/125 - aqua
mm - 100/125 - orange
sm - 9/125 - yellow
pmsm - 9/125 - blue
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2
Q

step index fiber

A

core is one material and it is slow

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3
Q

multimode light wavelength

A

850 and 1300

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4
Q

ST

A

twist in- inexpensive and easy to install

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5
Q

scribe

A

scratches the fiber to allow cleaving

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6
Q

fiber color code

A

Blue Owes Great Britain Several White Rabbits Because Yellow Violated Roses ass
pg 57

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7
Q

what is absorption in fiber

A

attenuation - conversion of light to heat

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8
Q

SC

A

snap in connector - easy to use

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9
Q

refraction

A

light is lossed in cladding. due to angle or dirt

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10
Q

stripper

A

removes heavy outside jacket of cables

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11
Q

ofc

A

optical fiber conductie

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12
Q

what causes macro bends

A

tight corners bending farther than bend radious allows

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13
Q

singlemode wavelength

A

1310 and 1550

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14
Q

ofng

A

optical fiber general purpos

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15
Q

wideband wavelength

A

953nm

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16
Q

polishing paper

A

polishing fiber ends

17
Q

chromatic dispersion

A

the difference in speeds of light at different wavelengths arriving at their destinations at slightly different times.

18
Q

connector color code

A
om1 beige
0m2 black 
om3 aqua
mm black
sm blue
losm blue
19
Q

ofnp

A

optical fiber pplenum

20
Q

cleaver

A

precisely breaks the fiber to produce a flat end for polishing

21
Q

LC

A

lucent technologies - for high densities

22
Q

reflectance

A

light reflected from the cleaved or polished end of a fiber

23
Q

graded index

A

variations in the composition in the glass faster

24
Q

puck

A

holds connector in proper alignment to polishing film

25
Q

attenuation

A

the reduction of optical power as it passes down the fiber

26
Q

otdr

A

optical time domain reflectometer - uses back-scattering light to measure fiber length, attenuation and fault location

27
Q

ofnr

A

optical fiber riser

28
Q

ofn

A

optical fiber non conductive

29
Q

model dispertion

A

pulse spreading caused by modes

30
Q

micro bends

A

stretched or compressed fiber

31
Q

microscope

A

used to inspect connector for proper polishing