CNRS_20160004_0057

Control in a clean room of a mirror of the entrance telescope of an optical bench of the Advanced Virgo interferometer. This telescope adapts the size of the beam that will emerge from the end of an Advanced Virgo arm to the much smaller size of sensors, photodiodes, and cameras used for interferometer control. It reduces the size of the incoming beam from twenty centimeters to a few millimeters.

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