Virgo Logbook

Reports 1-1 of 1

Safety (Laser Safety)

Pasqualetti - 10:10 Monday 25 May 2026 (69126)

NI bottom flange opening request

Please confirm that no laser beam hazard (Nd-YAG, CO2, etc.) is present inside the NI tower

Comments to this report:

spinicelli, galimberti - 10:40 Monday 25 May 2026 (69127)

YAG beam is blocked into LaserLab, with IMC unlocked and SIB1 valve closed. There is no main laser beam in the interferometer.

CO2 lasers are switched off as well as the green ones.

Confirm that there is no laser hazard to enter the NI tower.

mwas - 20:34 Tuesday 21 July 2026 (69401)

In case someone in the future wants to connect the opening and closing of work permits. The NI tower permit to work has been closed using an independent logbook entry https://logbook.virgo-gw.eu/virgo/?r=69393