University of Twente Student Theses


Dynamic behavior of hybrid magnetic shields for satellite-based tes arrays

Bergen, Anne (2015) Dynamic behavior of hybrid magnetic shields for satellite-based tes arrays.

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Abstract:The core of this MSc assignment is an in-depth experimental study of a hybrid μ-metal/superconductor shield assembly developed at SRON to protect their TES arrays from the magnetic background fields in the satellite-based X-ray observatory Athena. In technological terms the study served to check whether the present shield is adequate and as a secondary goal - to validate the relatively straightforward modeling tools that were used in its design. In scienti�c terms, the assignment was to investigate the dynamic behavior of such shields, i.e. to quantify the influence of the thermal/magnetic history on their behavior. Speci�cally, the difference between a so-called 'Field-Cooled' (FC) and 'Zero-Field Cooled' (ZFC) superconducting transition was studied. The data provide a baseline for future work, where an attempt shall be made to manipulate magnetic flux during this transition.
Item Type:Essay (Master)
Faculty:TNW: Science and Technology
Subject:33 physics
Programme:Applied Physics MSc (60436)
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