CERTIFIED FIBER OPTICS FINAL EXAM
COMPLETE DETAILED CASE STUDY
nthe applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - 1970's
The loss of a signal strength is called - attenuation
A single binary digit Is called a - Bit
An eight bit group is called a - Bite
The _______ is used to express gain or loss in a fiber optic system or component - Decibel
1mw of power is ___dbm - 0 dbm
A loss of 3dbm is a _____ percent loss in power. - 50%
Power is measured ______in a fiber optic system - dbm
Loss is measured in____ in a fiber optic system - db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - shorter,
higher
The _____ is used to measure light - measure
the deflection of light is called_____ - refraction
, when light passes from one medium to another some of the light energy is _____back into the first
material - 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. - Core, Cladding
What makes up an optical fiber - core, cladding, coating
mode is another name for - Path
single mode fiber have a _____core than multimode fibers - smaller
the part of the multimode optical fiber that functions as a mode filter is the______ - cladding
The standard core diameters of multimode fiber are___ and ___um. - 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - Tensile
The Tensile strength of a fiber is_______ when it is bent - Refracted
The number of modes in an optical fiber decreases as the ___increases - Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ - Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases - Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use with OM1 and OM2
fibers - LED
COMPLETE DETAILED CASE STUDY
nthe applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - 1970's
The loss of a signal strength is called - attenuation
A single binary digit Is called a - Bit
An eight bit group is called a - Bite
The _______ is used to express gain or loss in a fiber optic system or component - Decibel
1mw of power is ___dbm - 0 dbm
A loss of 3dbm is a _____ percent loss in power. - 50%
Power is measured ______in a fiber optic system - dbm
Loss is measured in____ in a fiber optic system - db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - shorter,
higher
The _____ is used to measure light - measure
the deflection of light is called_____ - refraction
, when light passes from one medium to another some of the light energy is _____back into the first
material - 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. - Core, Cladding
What makes up an optical fiber - core, cladding, coating
mode is another name for - Path
single mode fiber have a _____core than multimode fibers - smaller
the part of the multimode optical fiber that functions as a mode filter is the______ - cladding
The standard core diameters of multimode fiber are___ and ___um. - 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - Tensile
The Tensile strength of a fiber is_______ when it is bent - Refracted
The number of modes in an optical fiber decreases as the ___increases - Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ - Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases - Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use with OM1 and OM2
fibers - LED