Compact nondestructive generator for microsecond-class ultrafast pulsed magnetic fields
Abstract
The sweep rate of pulsed magnetic fields is a key factor in exploring of nonequilibrium phenomena in matter. However, the nondestructive generation of ultrafast pulsed magnetic fields is challenging because of the large time constants associated with the large inductance and capacitance of conventional pulsed magnetic field generators, as well as the residual inductance of the power devices and the system itself. We have developed a new compact pulsed magnetic field generator using commercially available state-of-the-art ultrafast power devices, enabling the generation of ultrafast pulsed magnetic fields up to approximately 1 T with a pulse duration of 3.8 μs. We present the performance of the newly developed system and compare the experimentally obtained magnetic field waveforms with the results of a simple circuit simulation. In addition, we demonstrate magnetization measurements on cobalt powder and Faraday rotation measurements on CdS single crystal using the developed system.
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BibTeX
@misc{ishii2026compact,
title = {{Compact nondestructive generator for microsecond-class ultrafast pulsed magnetic fields}},
author = {Y. Ishii and A. Ikeda and H. Sun and H. Oike and Y. H. Matsuda},
howpublished = {arXiv},
year = {2026},
month = aug,
doi = {10.48550/arxiv.2608.23584},
eprint = {2608.23584},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2608.23584},
}
RIS
TY - UNPB
TI - Compact nondestructive generator for microsecond-class ultrafast pulsed magnetic fields
AU - Y. Ishii
AU - A. Ikeda
AU - H. Sun
AU - H. Oike
AU - Y. H. Matsuda
PY - 2026
DA - 2026/08/29
PB - arXiv
DO - 10.48550/arxiv.2608.23584
UR - https://arxiv.org/abs/2608.23584
AB - The sweep rate of pulsed magnetic fields is a key factor in exploring of nonequilibrium phenomena in matter. However, the nondestructive generation of ultrafast pulsed magnetic fields is challenging because of the large time constants associated with the large inductance and capacitance of conventional pulsed magnetic field generators, as well as the residual inductance of the power devices and the system itself. We have developed a new compact pulsed magnetic field generator using commercially available state-of-the-art ultrafast power devices, enabling the generation of ultrafast pulsed magnetic fields up to approximately 1 T with a pulse duration of 3.8 μs. We present the performance of the newly developed system and compare the experimentally obtained magnetic field waveforms with the results of a simple circuit simulation. In addition, we demonstrate magnetization measurements on cobalt powder and Faraday rotation measurements on CdS single crystal using the developed system.
ER -