Name: Einstein Telescope Vacuum and Cryogenics Industrial Workshop: opportunities and challenges
Start: 2026-04-21T08:00:00+02:00
End: 2026-04-22T17:00:00+02:00
Location: CERN

Einstein Telescope Vacuum and Cryogenics Industrial Workshop: opportunities and challenges

from Tuesday, 21 April 2026 (08:00) to Wednesday, 22 April 2026 (17:00)

Monday, 20 April 2026
Tuesday, 21 April 2026

14:00 Opening of the event

14:00 - 14:15
Room: 30/7-018 - Kjell Johnsen Auditorium
14:15 Vacuum tubes session
14:15 - 15:55
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

14:15 Engineering and material requirements of the ET beam tube - Carlo Scarcia (CERN)

14:30 The ET beam tube pilot sector at CERN - Ana Teresa Perez Fontenla (CERN)

14:55 Surface finishing of the ET beam tube - Leonel Marques Antunes Ferreira (CERN)

15:15 Support and alignment systems for the ET beam tube. - Alexandre Lacroix (LAPP)

15:40 The vacuum system of the ET beam tubes. - Carlo Scarcia (CERN)
15:55 Coffee break
Coffee break
15:55 - 16:20
Room: 30/7-018 - Kjell Johnsen Auditorium
16:20 Vacuum tubes session - presentations by industry
16:20 - 18:00
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

16:20 Werkhuizen Nengelhorf - Beampipes4ET project

16:35 Netalux - LUCET project

16:50 PSI - SVAPET Collaboration

17:05 VAT Group - Challenges for the ET

17:20 Avancem - Tube-to-tube joint for UHV

17:35 VDL - MACBETH Project

17:50 Mecánicas Bolea - High fabrication rate of large vacuum chambers
18:30 Cocktail dinatoire

18:30 - 20:30
Room: Restaurant 1 Extension GlassBox
Wednesday, 22 April 2026
08:45 Vacuum towers session
08:45 - 10:05
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

08:45 European Gravitational Observatory: Overview and ongoing R&Ds; - Antonio Pasqualetti (European Gravitational Observatory)

09:05 Chambers manufacturing challenges (production rates, surface finishing, conditioning) - J. Gargiulo (EGO)

09:25 Methods of Cleanliness Control in Controlled Environments - F. Romano (Politecnico MI)

09:45 Contamination control of technical surfaces: case of space applications - Delphine Faye (CNES)
10:05 Coffee break
Coffee break
10:05 - 10:35
Room: 30/7-018 - Kjell Johnsen Auditorium
10:35 Vacuum towers session - presentations by industry
10:35 - 11:25
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

10:35 Cadinox - Welded solutions for complex and unique installations

10:45 AVS - Chambers and cryogenics

10:55 Agilent - Physics-based numerical modeling of Ion Pumps for GW observatories

11:05 CSC - UHV and cryogenic systems

11:15 Allectra - In-vacuum signal transport for the Einstein Telescope
11:25 Cryogenics session
11:25 - 12:25
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

11:25 Overview of the cryogenic issues in ET: - Steffen Grohmann (KIT)

11:45 The double role of the cryopumps in ET-LF: assumptions and conceptual design - Stefan Hanke (KIT)

12:05 Cryo-Payloads configuration and R&Ds: - Ettore Majorana (INFN - National Institute for Nuclear Physics)
12:25 Lunch break
Lunch break
12:25 - 13:25
Room: Restaurant 2
13:25 Cryogenics sessions - presentations by industry
13:25 - 14:45
Room: 30/7-018 - Kjell Johnsen Auditorium
Contributions

13:25 MITIS - Cryogenic Turbo-Brayton

13:40 Kriosystem - Optimization of thermal links used in cryogenic technology

13:55 Astroflex - Flexible metal hoses and bellows

14:10 Fijn Mekaniek Nelissen - High-precision manufacturing for ET

14:25 Technetics - Metal seals for ET
14:45 Coffee break
Coffee break
14:45 - 15:00
Room: 30/7-018 - Kjell Johnsen Auditorium

15:00 Visits to CERN || Circuit 1: Cryogenics - SM18 and SMA18 || Circuit2: Vacuum - ET Pilot Sector, Metallurgy lab, and Vacuum assessment workshop

15:00 - 17:00