Exam (elaborations)
CERTIFIED FIBER OPTICS FINAL EXAM QUESTIONS WITH COMPLETE ANSWERS
- Course
- Institution
CERTIFIED FIBER OPTICS FINAL EXAM QUESTIONS WITH COMPLETE ANSWERS
[Show more]
Content preview
CERTIFIED FIBER OPTICS FINAL EXAMQUESTIONS WITH COMPLETE
ANSWERS
The applications of optical fiber communications have increased at a rapid rate, since
the first commercial instillation of a fiber optic system in the - answer-1970's
The loss of a signal strength is called - answer-attenuation
A single binary digit is called a - answer-bit
An eight bit group is called a - answer-bite
The _______ is used to express gain or loss in a fiber optic system or component -
answer-decibel
1mw of power is ___dbm - answer-0 dbm
A loss of 3dbm is a _____ percent loss in power. - answer-50%
Power is measured ______in a fiber optic system - answer-dbm
Loss is measured in____ in a fiber optic system - answer-db
Light is electromagnetic energy with a ____wavelength and ____ frequency than radio
waves - answer-shorter, higher
The _____ is used to measure light - answer-measure
The deflection of light is called_____ - answer-refraction
When light passes from one medium to another some of the light energy is _____back
into the first material - answer-reflected
The refractive index profile describes the relation between the indices of ____ and
______.the core of the multimode optical fiber has the highest refractive index. -
answer-core, cladding
What makes up an optical fiber - answer-core, cladding, coating
Mode is another name for - answer-path
Single mode fiber have a _____core than multimode fibers - answer-smaller
, The part of the multimode optical fiber that functions as a mode filter is the______ -
answer-cladding
The standard core diameters of multimode fiber are___ and ___um. - answer-50nm,
62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking -
answer-tensile
The tensile strength of a fiber is_______ when it is bent - answer-refracted
The number of modes in an optical fiber decreases as the ___increases - answer-
wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - answer-
intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ -
answer-modal dispersion
The number of modes in an optical fiber ____as the core diameter decreases - answer-
decreases
In accordance with the (iso) (iec) 1801 specifications, the___ was designed for use with
om1 and om2 fibers - answer-led
The (iso)(iec) 1801 specifications for laser optimized multimode optical fiber types are
___ and ____ - answer-0m3, om4
One of the methods to reduce___ dispersion is to increase the wavelength of the
transmitter - answer-modal
Numerical aperture is the light ___ ability of a fiber - answer-gathering
Light must enter threw the cone of ______ - answer-acceptance
Na range from about 0.500 for plastic fibers to ____ for multimode 50/125um graded
index fibers - answer-.200
The rule of thumb for the bend radius of and inside, indoor-outdoor, outside, and/or drop
cable when not subjected to tensile loading is ___ times the outside diameter. - answer-
10 times
Material safety data sheets are ____ when chemicals are used - answer-required
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now