27–30 Oct 2025
University of Twente
Europe/Zurich timezone

Twente and Gravitational Waves: How a circle of research life closes.

28 Oct 2025, 09:10
30m
Waaier (University of Twente)

Waaier

University of Twente

Hallenweg 23 7522 NH Enschede Netherlands
Oral Cryocoolers

Speaker

Marcel ter Brake (University of Twente, The Netherlands)

Description

In this presentation, I will reflect on two research lines that characterized my research career at the University of Twente; The development of SQUID-based magnetometers systems in the 80s and 90s, mostly focusing on biomagnetic applications, followed by the development of vibration-free cryocoolers.
Since the early 2000s, we have been working on small Joule-Thomson cold stages driven by sorption-based compressors initially focusing on cooling of infrared detectors in scientific space missions. Pushed by the extremely low level of vibrations and the long lifetime this technology was also investigated for terrestrial applications in large space observatories such as the European Extremely Large Telescope (ELT) in Chili in the mid 2010s, and more recently in the Einstein Telescope (ET).
In the upcoming Lunar Gravitational Wave Antenna project (LGWA) both lines, SQUID magnetometers and sorption-based vibration-free coolers may be combined, thus closing the circle of my research life.

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Author

Marcel ter Brake (University of Twente, The Netherlands)

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