Day 3, Working Group 1: Materials, Surface Treatments and Outgassing

Date & Time:	02 Oct 2025 at 08:30
Location:	LExC Classroom
Event:	Cosmic Explorer and Einstein Telescope Beamtube Workshop III
Event Dates:	30 Sep 2025 to 02 Oct 2025
Event Location:	LIGO Hanford
Event Topic(s):	Vacuum System Engineering Cosmic Explorer
Event Moderator(s):	Marc Andres-Carcasona Eadie Balint Dennis Coyne Janos Csizmazia Matthew Evans Melina Fuentes-Garcia MARIO MARTINEZ Michael Zucker
External URL:	BTW3

Start	Title	Topic(s)	File(s)	Length
08:30	Traditional cleaning methods and their infrastructures (L. Ferreira)	None	None	00:20
08:50	Plasma cleaning (F. Moikenboer)	None	None	00:20
09:10	Laser cleaning (D. Vlekken)	None	None	00:20
09:30	Is coating the inner wall to avoid outgassing still an option? (C. Scarcia)	None	None	00:15
09:45		None	None	00:15
10:00	Effects of cleaning methods on microscopic roughness of surfaces (D. Henkel)	None	None	00:15