FIBER & CABLE: Ask FOC

The Pros and Cons of Fiber Versus Copper

QUESTION: What are the pros and cons of fiber versus copper?ANSWER: To begin, some basic definitions because semantics matter….Copper carries electrical pulses on metal strands, most often for voice signal due to its limited bandwidth.Fiber carries pulses of...
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Does Fiber Height Variation Increase When Overall Fiber Heights Increases?

QUESTION:  Does fiber height variation increase when overall fiber heights increases?ANSWER: Usually, fiber height variation increases as overall fiber heights increase.That is, the lower your overall fiber height, the lower your fiber variation...
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The Main Applications and Industries for Optical Fiber Other Than Communication Networks

QUESTION: What are the main applications and industries for optical fiber other than communication networks?ANSWER: Optical fiber is used for many applications in almost every industry.The most common application is within cabled structures that are used...
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When Does Less Cladding Get Faster Transmission Rates or Does It?

QUESTION: When does less cladding get faster transmission rates or does it?ANSWER: In most applications light is injected into the core of the glass fiber and follows the physical patch of the fiber due to the internal reflection between the core/cladding...
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Automation and Fiber Optic Assembly Houses

QUESTION: Why is automation so difficult for fiber optic assembly houses?    ANSWER: Automation is difficult because there's a lack of standardization, and we're not even speaking about standardization in one particular connector style. ...
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Determining Minor or Normal Slight Binder Indentation on Buffer Tubes

QUESTION: Is this a true statement?The Outside Jacketing Process Engineer inspected the returned cable/buffer tubes and determined there was minor/normal slight binder indentation on the buffer tubes at the switchbacks from the stranding process.Minor binder...
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Coupling a 125 or 200UM Core-Diameter Fiber Onto a Led Die

QUESTION: I am interested in efficiently coupling a 125 or 200um core-diameter fiber onto an LED die.My understanding is that the coupling efficiency is limited by the NA and core diameter of the fiber in most circumstances.Is it possible to use a tapered fiber,...
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