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Message ID: 20 Entry time: Thu Sep 9 16:34:37 2021

Author:	Blanc
Status:	Fixed
Type:	info
Category:	lasers and optics
Location:	Optical room
Title:	Ring light in the cavity

We put a diaphragm in the input beam but it doesn't work to suppress the ring light only but it attenuates the whole transmitted beam (cavity mode and ring light) viewed on the camera.