Introduction to Cryogenics for Research Infrastructures

Cryogenics – the science of extremely low temperatures – serves as the invisible backbone of modern high-level research. Without the ability to cool systems down to near absolute zero, many of today’s scientific breakthroughs would be impossible. From enabling superconductivity in particle accelerators and fusion reactors to stabilising qubits in quantum computers, cryogenics is the "enabling technology" behind many large-scale research infrastructures.

In practical hands-on exercises, participants will gain first experience in assembling and operating cryogenic systems.

• Basics of low-temperature physics and cryogenics (gases, liquefaction, phase diagrams)
• Turn-key cryostats and cryocoolers up to 4K: components, safe operation, daily checks
• Temperature sensors, basic measurements, and data logging
• Vacuum fundamentals: pumps, gauges, leaks, simple troubleshooting
• Safety rules, hazards (asphyxiation, cold burns), personal protection
• Hands-on: assembling a basic setup, first cooldown, recognising common failures

Practical

• No prior experience in cryogenics required
• If you have them, please bring the specific requirements of your own project for the hands-on exercises
• Note-taking materials are recommended