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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