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this post was submitted on 07 Dec 2023
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The financial types are generally more interested in hollow core fiber, to get their latencies even further down for high frequency trading. Because light travels at almost c in hollow core but only at 2/3 c in fiber core.
So is hollow core fiber a vacuum or is it just hollow? I've never heard of that tech.
Think glass pipe versus glass cylinder or rod. Though, I don't think the hollow core is fully empty, it has some structure to it.
Here is an example
Source: https://www.rp-photonics.com/hollow_core_fibers.html
I work with fibre and have never stopped to think if it is hollow or not. Thanks for this
How do you weld that?
Absolutely no idea.
I think that both hollow core fibers filled with air and others with just vacuum exist, but it's a bit far from my operational reality, so I'm not that sure. I just read in industry news that euNetworks has deployed 45 km of Lumenisity hollowcore fiber and that Microsoft bought Lumensity