Virgo 3-km vacuum tube inside the North gallery (January 2016)
![Virgo 3-km vacuum tube inside the North gallery (January 2016)](http://public.virgo-gw.eu/wp-content/grand-media/image/AdVirgo_NorthTube_201601_0057.jpg)
The Virgo infrared laser beam propagates back and forth inside the 3-km long vacuum tube.
Credits: Cyril Frésillon/Virgo/Photothèque CNRS
Album: Instruments – Infrastructures
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The Virgo infrared laser beam propagates back and forth inside the 3-km long vacuum tube.
Credits: Cyril Frésillon/Virgo/Photothèque CNRS
Album: Instruments – Infrastructures
Tags:
The Virgo infrared laser beam propagates back and forth inside the 3-km long vacuum tube.
Credits: Cyril Frésillon/Virgo/Photothèque CNRS
Album: Instruments – Infrastructures
Tags: