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Laser Launch into Orbit

(toughsf.blogspot.com)
60 points EA-3167 | 1 comments | 13 Apr 25 00:16 UTC | HN request time: 0.213s | source
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lupusreal ◴[15 Apr 25 10:24 UTC] No.43690983[source]▶
> Fibre lasers, where hundreds of tiny beams are joined through optical fibres into a larger beam

I'm no laser expert, but this doesn't seem right to me.

replies(3): >>43691315 #>>43691353 #>>43691747 #
1. red75prime ◴[15 Apr 25 11:27 UTC] No.43691315[source]▶
It is possible to create the desired wavefront using many emitters. A phased array is doing exactly that. But, yeah, tolerances for a phased array of IR lasers are much tighter. I'm not sure if it's technologically possible right now.