infrared laser
1 statements across 1 episodes · 1 bullish · 0 bearish · 1 people on the record · first statement Sep 15, 2017 by Rana Adhikari · across every show →
Everything said about infrared laser, oldest first
Sep 15, 2017 positive
Adhikari: Welder's glass effectively absorbs LIGO's one-micron infrared laser light
“It has a wavelength of one micron, and so for it some of the things that look black don't work, but if you have a special kind of welder's glass, it really works. Welder's glass is good as, good at absorbing pretty much everything with a longer wavelength than…”