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The optical cable itself is made of glass in a plastic sheath. It's very cheap because there are millions of kilometres of it used around the globe. And yes, t
by baybal2 5y ago
The optical cable itself is made of glass in a plastic sheath. It's very cheap because there are millions of kilometres of it used around the globe.
And yes, the tiny few micron glass core is actually more tough than thicker copper cables.
It's only sensitive to extreme, like 180° bends, and a thicker insulation will prevent permanent damage.
The cheapest single mode SFP transmitters cost like 5-10 dollars wholesale.
If they were manufactured in volumes comparable to USB chips, they would've probably cost close to one dollar.