Certified Fiber Optics Final Exam Questions and Answers
21 views 0 purchase
Course
FOA CFOT/Fiber Optics
Institution
FOA CFOT/Fiber Optics
Certified Fiber Optics Final Exam
Questions and 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 ️️ -attenu...
Certified Fiber Optics Final Exam Questions and 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 o f 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 ____ fre quency 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 _____bac k 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 u p 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 t he______ - 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 f iber 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 Grad ed 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 specification s, 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, OM 4 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 ✔️✔️-Acceptanc e 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 NA mismatch is an___ factor - Answer ✔️✔️-Intrinsic Lateral displacement and end separation are ____ factors - Answer ✔️✔️-Extrensic
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 KatelynWhitman. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
