this post was submitted on 01 Jul 2025
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You would have to cut the fiber or hope the pulsed laser melts it.
90% of the physics aside, this theory is like saying that crossing flashlight beams would cause interference. This is also ignoring the density difference between the fiber and the air.
All things considered, I think we are looking at the new Russian wunderwaffe. Coming to a T-14 near you.
i worked with fibers before and its 100% possible to inject enough light into a fiber to cause errors at the Rx without melting the fiber, flash lights are not coherent light and are not focused enough for that (also not pulsed)
Into raw unshielded fibers tho probably, right?
That's what they're using for the drones, tho.
Oh i see lol
why tho? a little bit of paint won't be too much weight, right?
Also, you have to consider that a single fiber has pretty high surface-volume ratio.
The space shuttle launch fuel tank was only painted for the first two launches. They stopped because the paint weighed 600 pounds and didnt offer any real benefit. So yeah, a little bit of paint does add up.
Im no expert here, but these drones have to fly many kilometers and they carry the spool on board, so the added weight is probably an issue. I assume the production would be much more complicated too. For normal industrial underground fibers the shielding can be quite thick and stiff, but for this you would need some kinda coating that can be incredibly thin while also somehow blocking all light.
Vapor deposited metal film. Expensive, but I wouldn't be surprised if they already use exactly that to handle interference from the sun. Even non-coherent light can wash the sensors out if you have enough of it.
Hmm. I'd guess that filtering all frequencies outside the data transmission window could help there, but I don't really know.
These are supposed to be disposable, and are hastily being put together in wartime conditions by largely non-Western countries. Exotic solutions are highly disfavored.