[time-nuts] LIGO detects gravitational waves

Attila Kinali attila at kinali.ch
Mon Feb 15 05:19:43 EST 2016

On Mon, 15 Feb 2016 08:23:19 +0100
Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> I was thinking the same thing, the circulated energy isn't all that 
> great and each arm is feed with 10 W (it's a 20 W laser split in two).

The arms are fed with only 10W, but the circulating power is
actually 100kW. The arms are Fabry-PĂ©rot cavities, i.e. resonators.

			Attila Kinali
It is upon moral qualities that a society is ultimately founded. All 
the prosperity and technological sophistication in the world is of no 
use without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson

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