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View Resource FOA Lecture 23: Total Internal Reflection in Optical Fiber

This is Lecture 23 in the Fiber Optics Association's series of lectures on fiber optics. In this lecture, the presenter discusses "refraction" and "total internal reflection," the optical terms for how light is bent or reflected at the boundary of two different materials. Total internal reflection is important in fiber optics as it is the reason that light can be trapped in the core of the fiber,...

View Resource FOA Lecture 22: Mode Power Distribution in Multimode Fibers

This is Lecture 22 in the Fiber Optics Association's lecture series on multimode fibers. In this lecture, the presenter briefly reviews modes in graded-index multimode fibers then shows how you can actually see the modes by using visible laser light from a VFL (visual fault locator.) The presenter will also show the effect of a mandrel wrap on the fiber, allowing you to actually see how the...

View Resource FOA Lecture 15: Five Ways To Test Fiber Optic Cable Plants

This is Lecture 15 in the FOA series on fiber optics. In this lecture, the presenter discusses the five (5) different ways that international standards offer to test an installed cable plant. He discusses where each method is appropriate and the merits and problems with each. Running time for the lecture is 12:01. Flash is required to view the video.

View Resource Fiber Optic Testing Course

After completing this self-study program you should learn: What needs testing in fiber optics?What equipment is needed to perform the tests? How are these tests performed? What options exist for performing the tests? How are the tests affected by network types (telco, long haul, LAN, FTTx, etc.)? When testing loss, what is the expected value? How accurate are the tests? How can they be made more...

View Resource FOA Lecture 24: Copper, Fiber or Wireless?

This is Lecture 24 in the Fiber Optics Association's series on fiber optics. One of the most common questions is: "Should my communications system use fiber or copper - or wireless?" Fiber has been the clear winner in long distance communications since the mid 1980s for simple economics: nothing transmits large amounts of data over longer distances cheaper than fiber. For a long time, fiber and...

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