Why is highly purified silica glass the material of choice for long-haul telecommunication fiber?
Answer
It is highly transparent to infrared wavelengths used for long-distance data (e.g., 1310 nm or 1550 nm).
The purity of the silica ensures low absorption and scattering at specific infrared wavelengths, allowing the signal to travel tens or hundreds of kilometers before significant regeneration is needed.
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