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An up to 15 T pulsed magnetic field generator in a volume of a few cubic centimeters has been created for experiments with magnetized laser plasma. The magnetic field is created by a pair of coils placed in a sealed reservoir with liquid…

Ultrastrong magnetic fields, ranging from 100~T to 1,000~T, are generated exclusively by destructive pulsed magnets. While various generation methods exist, this review focuses on the Single-Turn Coil (STC) and Electromagnetic Flux…

Instrumentation and Detectors · Physics 2026-05-13 Shojiro Takeyama

A versatile and portable magnetically shielded room with a field of (700 \pm 200) pT within a central volume of 1m x 1m x 1m and a field gradient less than 300 pT/m is described. This performance represents more than a hundred-fold…

Magnetic sensing is present in our everyday interactions with consumer electronics, and also demonstrates potential for measurement of extremely weak biomagnetic fields, such as those of the heart and brain. In this work, we leverage the…

Applied Physics · Physics 2019-11-26 Josh Javor , Alexander Stange , Corey Pollock , Nicholas Fuhr , David J. Bishop

We constructed a $^3$He magnetic force microscope operating at the base temperature of 300 mK under a vector magnetic field of 2-2-9 T in the $x-y-z$ direction. Fiber optic interferometry as a detection scheme is employed in which two…

Instrumentation and Detectors · Physics 2016-02-22 Jinho Yang , Ilkyu Yang , Yun Won Kim , Dongwoo Shin , Juyoung Jeong , Dirk Wulferding , Han Woong Yeom , Jeehoon Kim

Magnetic fields generated by capacitor-coil targets driven by intense short-pulse lasers have been characterized using ultrafast proton radiography. A 1-kJ, 15-ps laser at a center wavelength of 1053 nm irradiated the back plate of the…

A magnet designed for use in a magnetic refrigeration device is presented. The magnet is designed by applying two general schemes for improving a magnet design to a concentric Halbach cylinder magnet design and dimensioning and segmenting…

Instrumentation and Detectors · Physics 2014-10-09 R. Bjørk , C. R. H. Bahl , A. Smith , D. V. Christensen , N. Pryds

We present a method of optical magnetometry with parts-per-billion resolution that is able to detect biomagnetic signals generated from the human brain and heart in Earth's ambient environment. Our magnetically silent sensors measure the…

Medical Physics · Physics 2020-07-29 M. E. Limes , E. L. Foley , T. W. Kornack , S. Caliga , S. McBride , A. Braun , W. Lee , V. G. Lucivero , M. V. Romalis

We design and demonstrate a compact, robust and simple to assemble and tune permanent magnet suitable for NMR relaxometry measurements of microfluidic flows. Soft-magnetic stainless steel plates, incorporated inside the magnet airgap, are…

Applied Physics · Physics 2023-01-25 Dmytro Polishchuk , Han Gardeniers

We describe the design, construction, and characterization of a Bitter-type electromagnet that produces a spatially-dependent magnetic field used for Zeeman slowing in cold-atom experiments. The coil consists of stacked copper arcs…

Atomic Physics · Physics 2026-03-31 Rishav Koirala , Ben A. Olsen

In this paper we present a high-repetition-rate experimental platform for examining the spatial structure and evolution of Biermann generated magnetic fields in laser-produced plasmas. We have extended the work of prior experiments, which…

A target using a paisley pattern generates 100-kT-level magnetic fields. Laser irradiation induces local charge separation on the target, which creates surface currents along the concave surface, generating a magnetic field. For a laser…

Plasma Physics · Physics 2022-04-13 Myles Allen Zosa , Yan-Jun Gu , Masakatsu Murakami

We describe the design, assembly, and testing of a magnet intended to deflect beams of paramagnetic nanoclusters, molecules, and atoms. It is energized by high-grade permanent neodymium magnets. This offers a convenient option in terms of…

Instrumentation and Detectors · Physics 2020-05-26 Jiahao Liang , Thomas M. Fuchs , Rolf Schäfer , Vitaly V. Kresin

We describe a first attempt to derive properties of the regular and turbulent Galactic magnetic field from multi-frequency polarimetric observations of the diffuse Galactic synchrotron background. A single-cell-size model of the thin…

Astrophysics · Physics 2009-11-10 M. Haverkorn , P. Katgert , A. G. de Bruyn

We have studied the room-temperature magnetoimpedance of paramagnetic (x = 0.06) and ferromagnetic (x = 0.1) samples in La0.7Ca0.3-xSrxMnO3 series using a radio-frequency impedance analyzer and also microwave power absorption using a…

Applied Physics · Physics 2020-03-18 U. Chaudhuri , A. Chanda , R. Mahendiran

The objective of this paper is to help shedding some light on the nature and the properties of the cold structures formed via thermal instability in the magnetized atomic interstellar medium. To this end, we searched for clumps formed in…

Astrophysics of Galaxies · Physics 2020-12-23 Adriana Gazol , Marco Villagran

Weak magnetic fields must have existed in the early Universe, as they were sourced by the cross product of electron density and temperature gradients through the Biermann-battery mechanism. In this paper we calculate the magnetic fields…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-15 Nanoom Lee , Yacine Ali-Haimoud

We have demonstrated a remote magnetometer based on sodium atoms in the Earth's mesosphere, at a 106-kilometer distance from our instrument. A 1.33-watt laser illuminated the atoms, and the magnetic field was inferred from back-scattered…

Instrumentation and Methods for Astrophysics · Physics 2017-02-17 Thomas J. Kane , Paul D. Hillman , Craig A. Denman , Michael Hart , R. Phillip Scott , Michael E. Purucker , Stephen J. Potashnik

We study the possibility of generating magnetic fields during the evolution of electron, proton, and photon plasma in the pre-recombination era. We show that a small magnetic field can be generated in the second order of perturbation theory…

Astrophysics · Physics 2009-11-10 Rajesh Gopal , Shiv Sethi

We introduce a simple approach to evaluate the magnetic field distribution around superconducting samples, based on the London equations; the elementary variable is the vector potential. This procedure has no adjustable parameters, only the…

Superconductivity · Physics 2015-06-16 J. -G. Caputo , L. Gozzelino , F. Laviano , G. Ghigo , R. Gerbaldo , J. Noudem , Y. Thimont , P. Bernstein