Einstein Telescope Vacuum and Cryogenics Industrial Workshop: opportunities and challenges

from Tuesday, 21 April 2026 (08:00) to Wednesday, 22 April 2026 (17:00)
CERN (30/7-018)

        : Sessions
    /     : Talks
        : Breaks
21 Apr 2026
22 Apr 2026
AM
08:45
Vacuum towers session - Antonio Pasqualetti (European Gravitational Observatory) (until 10:05)
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 ---
10:35
Vacuum towers session - presentations by industry (until 11:25)
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 - Fulvio Ricci (Sapienza Universita e INFN, Roma I (IT)) (until 12:25)
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)  
PM
14:00
Opening of the event - Mario Martinez (IFAE) (until 14:15)
14:15
Vacuum tubes session - Paolo Chiggiato (CERN) (until 15:55)
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 ---
16:20
Vacuum tubes session - presentations by industry - Paolo Chiggiato (CERN) (until 18:00)
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 (until 20:30)
12:25 --- Lunch break ---
13:25
Cryogenics sessions - presentations by industry - Fulvio Ricci (Sapienza Universita e INFN, Roma I (IT)) (until 14:45)
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 ---
15:00
Visits to CERN || Circuit 1: Cryogenics - SM18 and SMA18 || Circuit2: Vacuum - ET Pilot Sector, Metallurgy lab, and Vacuum assessment workshop (until 17:00)