Name: Materials for Advanced Detectors 2025
Start: 2025-10-06T09:00:00+02:00
End: 2025-10-07T22:00:00+02:00
Location: Leibniz-Insitut für Kristallzüchtung (IKZ)

Materials for Advanced Detectors 2025

from Monday, October 6, 2025 (9:00 AM) to Tuesday, October 7, 2025 (10:00 PM)

Monday, October 6, 2025

10:00 AM Lab Tours of IKZ. !!!Please note, the Lab Tour starts at IKZ Lobby!!!
Lab Tours of IKZ. !!!Please note, the Lab Tour starts at IKZ Lobby!!!
10:00 AM - 12:00 PM
Room: Lobby

12:00 PM Coffee Break
Coffee Break
12:00 PM - 12:20 PM

12:20 PM

12:20 PM - 12:30 PM
12:30 PM
12:30 PM - 1:30 PM
Contributions

12:30 PM Introduction on Substrate Research - Jessica Steinlechner

12:45 PM Polishing and characterisation of sapphire substrates for third-generation gravitational wave detectors in Lyon. - Severin Nadji (Laboratoire des Matériaux Avancés (LMA))

1:00 PM Large diameter Float-Zone crystals for gravitational wave detectors - Sune Duun (Topsil GlobalWafers A/S)

1:15 PM Growth method dependent purity of silicon crystals for ET-mirrors - Frank Kiessling (Leibniz-Institut für Kristallzüchtung)
1:30 PM Lunch break and poster session
Lunch break and poster session
1:30 PM - 2:30 PM
1:45 PM Poster Session
Poster Session
1:45 PM - 2:30 PM
Contributions

1:45 PM Cooling away the absorption - Silicon mirror development for future gravitational wave detectors - Janis Woehler

1:55 PM Development of a Silicon Suspension System for the Einstein Telescope Pathfinder - Maike Kühler

2:05 PM Advancing electrochemical micromachining technology for new and difficult-to-cut materials - Muhammad Hazak Arshad (KU Leuven)

2:15 PM Towards Reliable Bonding of Sapphire and Silicon II - Alexey Kuzmichev (Impex HighTech GmbH)
2:30 PM
2:30 PM - 4:00 PM
Contributions

2:30 PM Mechanical characterization of silicon for the ETpathfinder test masses - Guido Alex Iandolo

2:45 PM Low oxygen, high purity, proven crystal growth method for 450mm + silicon optics - Nathan Stoddard (Lehigh University)

3:00 PM Towards high-purity, large-diameter silicon mirror substrates: A self-crucible growth concept - Robert Menzel

3:15 PM Composite silicon optics for next generation ground based GW detectors - Margot Hennig

3:30 PM Risks and Opportunities with Composite Substrates and Alternative optical modes - Aaron Goodwin-Jones (UCLouvain)

3:45 PM Surface absorption of crystalline silicon - Jessica Steinlechner Laura Silenzi
4:00 PM Coffee Break
Coffee Break
4:00 PM - 4:30 PM

Poster Session
Poster Session
4:00 PM - 4:30 PM

4:30 PM Discussion
Discussion
4:30 PM - 5:00 PM

7:00 PM Social event
Social event
7:00 PM - 10:00 PM
Tuesday, October 7, 2025
9:00 AM
9:00 AM - 10:15 AM
Contributions

9:00 AM Introduction on Suspension Research - Andrew Spencer

9:15 AM Float zone silicon fibers for suspension application in Einstein Telescope - Iryna Buchovska (Leibniz-Institut für Kristallzüchtung)

9:30 AM ET-FIBER: Monocrystalline Silicon Fibre Development for Cryogenic Test Mass Suspensions - Christophe Collette (University of Liege) Gilles Magain (University of Liege)

9:45 AM Cautions for a correct evaluation of breaking strength measurements - Flavio Travasso

10:00 AM Precision Mechanical Loss Measurement & Noise Characterisation: E-TEST Cryogenic Prototype - Hemendra Singh
10:15 AM Coffee Break
Coffee Break
10:15 AM - 10:45 AM
10:45 AM
10:45 AM - 11:30 AM
Contributions

10:45 AM Mechanical Dissipation in Maraging Steel at Room Temperature and Very Low Frequency - Matteo Baratti (University of Pisa, INFN Pisa)

11:00 AM Sapphire-Based Suspension at ARC-ETCRYO Laboratory: Ongoing Test Campaigns - Emanuele Tofani (INFN Roma1-Università degli studi della Campania "Luigi Vanvitelli") Eugenio Benedetti (INFN Roma1) Van Long Hoang (INFN-Roma1)

11:15 AM Sapphire fibre suspensions for KAGRA and ET with low loss jointing techniques - Jennifer Docherty
11:30 AM Discussion
Discussion
11:30 AM - 12:00 PM

12:00 PM Lunch break and poster session
Lunch break and poster session
12:00 PM - 12:50 PM
12:50 PM
12:50 PM - 2:15 PM
Contributions

12:50 PM Introduction on Coating Research - alex amato (Maastricht University - Nikhef)

1:00 PM Development of mixed oxide coatings for future detectors - Mariana Fazio

1:15 PM Evolution Optical Coating Thin Films Following Thermal Annealing: IR Spectroscopic Ellipsometry and Raman Investigation - Shima Samandari (OptMatLab, Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy)

1:30 PM Development of Silicon Nitride by RF Magnetron Sputtering for GW Coatings - Simone Marchetti (University of Padova - Department of Physics and Astronomy, Istituto Nazionale di Fisica Nucleare - Sezione di Padova) Simone Marchetti

1:45 PM Advancing Gravitational-Wave Detection Through Ion Implantation for Low Thermal Noise Coatings - Luca Massaro

2:00 PM Optical Simulations of Ion Implanted Layers for Advanced Gravitational-Wave Detection - Ismail El Ouedghiri-Idrissi (Maastricht University)
2:15 PM Coffee Break
Coffee Break
2:15 PM - 2:45 PM
2:45 PM
2:45 PM - 3:15 PM
Contributions

2:45 PM Measuring the mechanical and optical losses of coatings in cryogenic conditions using an optomechanical cavity - Nicole Busdon

3:00 PM Vacuum issues and possible mitigations in cryogenic gravitational wave detectors and cold mirrors test benches - Roberto Cimino
3:15 PM Discussion
Discussion
3:15 PM - 3:45 PM

3:45 PM

3:45 PM - 4:00 PM

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