DPG Phi
Verhandlungen
Verhandlungen
DPG

SKM 2023 – scientific programme

Parts | Days | Selection | Search | Updates | Downloads | Help

MA: Fachverband Magnetismus

MA 13: Focus Session: New Perspectives for Adiabatic Demagnetization Refrigeration in the Kelvin and sub-Kelvin Range (joint session TT/MA)

MA 13.6: Talk

Tuesday, March 28, 2023, 12:15–12:30, HSZ 03

ADR based sub-Kelvin cryostats for applied quantum technologies — •Pau Jorba1, Felix Rucker1, Steffen Säubert1, Alexander Regnat1, Jan Spallek1, and Christian Pfleiderer21kiutra GmbH, Flößergasse 2, D-81369 München, Germany — 2Physik-Department, Technische Universität München, D-85748 Garching, Germany

In view of the increasing demand for the cooling of quantum electronic devices, the development of scalable cooling solutions that provide low temperatures independent of rare helium-3 will be mandatory for the adoption and commercial use of next-generation quantum technologies. We present novel ADR based sub-Kelvin cryostats1 specifically developed for the characterization and operation of quantum devices. We address how known challenges of ADR systems such as limited hold time and magnetic stray fields can be overcome. Specifically, we describe how continuous sub-Kelvin cooling and wide-range temperature control can be achieved by combining multiple ADR units and mechanical thermal switches. We also present a novel sample loader mechanism2 that allows taking advantage of the solid-state nature of ADR and to cool samples from room temperature to 100 mK in less than 3 hours.

[1] Regnat et al. (2018) Cryogen-free cooling apparatus (EP 3163222). European Patent Office.

[2] Spallek et al. (2022) System and method for inserting a sample into a chamber (EP 3632560). European Patent Office.

100% | Mobile Layout | Deutsche Version | Contact/Imprint/Privacy
DPG-Physik > DPG-Verhandlungen > 2023 > SKM