Fiber Optics Exam Questions Correct Answers New Update (A+ Pass)
6 views 0 purchase
Course
Fiber Optics
Institution
Fiber Optics
Fiber Optics Exam Questions Correct Answers New Update (A+ Pass)
The device used to convert a light signal into an electrical signal at the receiver is known as a(n) - Answers -Photosensitive detector
Signal propagation is defined as________. - Answers -the characteristic movement of a light ...
Fiber Optics Exam Questions Correct
Answers New Update (A+ Pass)
The device used to convert a light signal into an electrical signal at the receiver is
known as a(n) - Answers -Photosensitive detector
Signal propagation is defined as________. - Answers -the characteristic movement of a
light signal through a medium
The value that represents the amount of light lost within a fiber optic system is _______.
- Answers -attentuation
The two basic components of an optical fiber are the ________. - Answers -core and
cladding
The term used when there are several paths through which light can travel in an optical
fiber is ________. - Answers -multi-mode
A mode is defined as __________. - Answers -one path a light ray can travel through a
material.
Optical fibers are classified by ________. - Answers -their material makeup, the
refractive index of the core, and the modes that the fiber propagates.
The four common components in a fiber optic cable are ______. - Answers -optical
fiber, buffer, strength members, and jacket
A VCSEL is a type of________ - Answers -emitter
In an analog system, transmission speed is measured as__________. - Answers -
bandwidth
In a digital system, transmission speed is measured as _________. - Answers -data
rate
The term laser was derived from light __________. - Answers -amplification by
stimulated emission of radiation
In a fiber optic system, the losses caused by variations in the fiber itself are called
__________. - Answers -extrinsic influences
If a connection leaves a gap between the fiber ends, the result can be - Answers -end-
separation losses
, A device used to couple light from one fiber to one of two end fibers but not to both is
a(n) - Answers -optical switch
A push-and-latch connector - Answers -LC
The type of fiber connection that requires injection of a two-part epoxy into the
connector is _______. - Answers -anaerobic
Splices generally result in ______ than connectors. - Answers -less attenuation
The two basic types of fiber splices are ________. - Answers -fusion and mechanical
Points within a fiber optic strand that induce losses can be identified using a(n) -
Answers -optical time-domain reflectometer
A line on an ODTR display that descends from left to right represents______. - Answers
-attenuation
The breakthrough that revolutionized fiber optic technology was the development of -
Answers -fiber cladding
A fiber optic system transmits information from one point to another in the form of -
Answers -light.
Fiber optic transmissions are not susceptible to - Answers -interruption or distortion by
electrical noise
An advantage of fiber optics is that they can ____________ of data - Answers -carry
high frequencies
Concerning security, fiber optics - Answers -cannot be tapped without physically
disrupting the service
A basic fiber optics communication system is made up of - Answers -Fiber optic cable,
fiber optic strand, transmitter, receiver, and connectors
Very small core fibers work best with __________ which can supply narrow beams of
light. - Answers -laser diodes
LED's operate at - Answers -slower transmission speeds.
Two key concepts in the study of light transmission are - Answers -Signal propagation
and signal attenuation
The ________ of a material is the ratio of the speed of light in a vacuum compared to
the speed of light in a certain material. - Answers -refractive index
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Stuviaascorers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
