Fiber Optic Class 46 MIdterm Exam Questions And Answers|2024

1 mW is the same as what in dBM? - ️️Zero A fiber optic cable that is "fire retardant and low smoke" is called what according to the NEC? - ️️Plenum Rated Cable All wavelengths of light travel at the same speed. True or False and why? - ️️False. By dispersions, go through different objects and wavelengths. How is power measured in fiber optic? - ️️dBM Name three ways fiber optic is used today? - ️️Communication, military, audio, medical OM1 and OM2 are known for what type of fiber? - ️️Multimode and mainly used for legacy systems The buffer diameter for a fiber used in a tight buffered cable is what? - ️️900 microns The loss, resulting from mated fiber ends that are not perpendicular to the fiber's axis due to a poor cleave angle, is what type of loss? - ️️Extrensic The path light takes along the fiber is also referred to as what? - ️️mode The typical numerical aperture (NA) for a 50/125 um optical fiber is? - ️️.200 Twelve colors comprise the fiber color code. What are they in order? - ️️Blue Orange Green Brown Slate White Red Black Yellow Violet Rose Aqua What are the 3 fiber fabrications to making a preform? - ️️OVD, MCVD, VAD What are the 4 items needed for a fiber optic systems to work? - ️️Transmitter, receiver, fiber optic cable, and connectors What are the three dispersion? - ️️Modal, Waveguide, Chromadic What are the two cheapest light sources used in fiber optics? - ️️LED and VCSEL What are the wavelengths used in single mode fiber? - ️️1310, 1550, and 1625nm What component of an optical power meter converts light to electrical energy? - ️️Photodiode What do sequential markings on the fiber jacket represent? - ️️Length