Fiber Optics Final Review Questions and Answers

Fiber Optics Final Review Questions and Answers List the two types of multimode fiber - Answer ️️ -graded index and step index List the core and cladding sizes for the US and European standards of graded index fiber - Answer ️️ -62.5/125 and 50/125 microns List the two wavelengths used in multimode fiber - Answer ️️ -850 and 1300 nanometers What type of dispersion is found in multimode fibers? - Answer ️️ -modal List two types of intrinsic attenuation - Answer ️️ -absorption and scattering List the four examples of extrinsic attenuation - Answer ️️ -microbend, macrobend, connector and splice List the typical core and cladding sizes for singlemode fiber - Answer ️️ -9/125 microns List two wavelengths used in Singlemode fiber - Answer ️️ -1310 and 1550 nanometers What type of dispersion is found in singlemode fiber? - Answer ️️ -chromatic What are the EIA/TIA standards for loss in a pair of matted connectors and a splice? - Answer ️️ -.75 dB and .3 dB What are the industry standards for loss in a pair of matted connectors and a splice? - Answer ️️ -.50 dB and .20 dB 900μm (micrometres) is the typical diameter for what type of fiber? - Answer ️️ -tight buffered 10x the outside diameter is the specification bend radius for a fiber in what circumstance? - Answer ️️ -static Dispersion is defined as? - Answer ️️ -light being spread 20x the outside diameter is the specification bend radius for a fiber in what circumstance? - Answer ️️ -stressed, dynamic, and unknown When light bends and slightly changes speed it is known as what? - Answer ️️ -refraction What is the formula for the index of refraction? - Answer ️️ -N= C/V Define mode - Answer ️️ -a light path What are two ways of splicing? - Answer ️️ -mechanical and fusion