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We have addressed the challenge to carry out the angular tilt stabilization of a laser guiding mirror which is intended to route a laser beam with a high energy density. Such an application requires good angular accuracy as well as large…

Instrumentation and Detectors · Physics 2022-10-25 Martin Šarbort , Šimon Řeřucha , Petr Jedlička , Josef Lazar , Ondrej Číp

We describe the development of a simple atomic magnetometer using $^{87}$Rb vapor suitable for Earth magnetic field monitoring. The magnetometer is based on time-domain determination of the transient precession frequency of the atomic…

Atomic Physics · Physics 2015-06-05 L. Lenci , S. Barreiro , P. Valente , H. Failache , A. Lezama

Resonant magnetic x-ray diffraction experiments were carried out on the stacked triangular lattice antiferromagnet GdPd2Al3. The experiments revealed an expected initial collinear c-axis order at TN1 followed by an additional in-plane order…

Materials Science · Physics 2015-05-13 Toshiya Inami , Noriki Terada , Hideaki Kitazawa , Osamu Sakai

We present a scanning transmission x-ray microscopy setup combined with a novel microwave synchronization scheme in order to study high frequency magnetization dynamics at synchrotron light sources. The sensitivity necessary to detect small…

A novel polarimeter based on the asymmetry in the spacial distribution of synchrotron radiation will make for a fine addition to the existing M{\o}ller and Compton polarimeters. The spin light polarimeter consists of a set of wiggler magnet…

Accelerator Physics · Physics 2014-03-21 Prajwal Mohanmurthy , Dipangkar Dutta

An experimental test at the intersection of quantum physics and general relativity is proposed: measurement of relativistic frame dragging and geodetic precession using intrinsic spin of electrons. The behavior of intrinsic spin in…

General Relativity and Quantum Cosmology · Physics 2021-03-02 Pavel Fadeev , Tao Wang , Y. B. Band , Dmitry Budker , Peter W. Graham , Alexander O. Sushkov , Derek F. Jackson Kimball

We study nonlinear interferometry applied to a measurement of atomic spin and demonstrate a sensitivity that cannot be achieved by any linear-optical measurement with the same experimental resources. We use alignment-to-orientation…

Quantum Physics · Physics 2014-09-25 R. J. Sewell , M. Napolitano , N. Behbood , G. Colangelo , F. Martin Ciurana , M. W. Mitchell

In this work, we present a comprehensive and comparative analysis of two detection modalities, i.e., polarization rotation and absorption measurement of light, for a double resonance alignment based optical magnetometer (DRAM). We derive…

Optics · Physics 2024-03-11 A. Akbar , M. Kozbiál , L. Elson , A. Meraki , J. Kolodyński , K. Jensen

SERF magnetometers based on dense ensembles of alkali-metal spins are precision quantum sensors that hold the record of measured and projected sensitivity to magnetic fields, in the $\mu\textrm{G}-\textrm{mG}$ range. At geomagnetic fields…

Quantum Physics · Physics 2025-05-29 Mark Dikopoltsev , Uriel Levy , Or Katz

We describe our approach to atomic magnetometry based on the push-pull optical pumping technique. Cesium vapor is pumped and probed by a resonant laser beam whose circular polarization is modulated synchronously with the spin evolution…

Atomic Physics · Physics 2015-06-18 E. Breschi , Z. D. Grujic , P. Knowles , A. Weis

We experimentally demonstrate a simple and robust protocol for the detection of weak radio-frequency magnetic fields using a single electron spin in diamond. Our method relies on spin locking, where the Rabi frequency of the spin is…

Quantum Physics · Physics 2013-01-14 M. Loretz , T. Rosskopf , C. L. Degen

We report on an all-optical magnetometric technique based on nonlinear magneto-optical rotation with amplitude-modulated light. The method enables sensitive magnetic-field measurements in a broad dynamic range. We demonstrate the…

Atomic Physics · Physics 2009-11-13 S. Pustelny , A. Wojciechowski , M. Gring , M. Kotyrba , J. Zachorowski , W. Gawlik

A tunable magnetic field at low temperatures is essential for numerous applications, including spintronics, magnetic resonance imaging, and condensed matter physics. While commercial superconducting vector magnets are available, they are…

Instrumentation and Detectors · Physics 2025-07-25 Gaia Da Prato , Yong Yu , Ronald Bode , Simon Gröblacher

We report single-color, time resolved magneto-optical measurements in ferromagnetic semiconductor (Ga,Mn)As. We demonstrate coherent optical control of the magnetization precession by applying two successive ultrashort laser pulses. The…

Materials Science · Physics 2009-11-13 E. Rozkotova , P. Nemec , N. Tesarova , P. Maly , V. Novak , K. Olejnik , M. Cukr , T. Jungwirth

We propose a new method to detect short-range \textit{P-} and \textit{T-} violating interactions between nucleons, based on measuring the precession frequency shift of polarized $^3$He nuclei in the presence of an unpolarized mass. To…

Nuclear Experiment · Physics 2012-03-20 W. Zheng , H. Gao , B. Lalremruata , Y. Zhang , G. Laskaris , W. M. Snow , C. B. Fu

A precise, accurate, and relatively straightforward in-situ method to measure and control the ellipticity of light resonantly interacting with an atomic vapor is described. The technique can be used to minimize vector light shifts. The…

Optics · Physics 2017-09-14 Derek F. Jackson Kimball , Jordan Dudley , Yan Li , Dilan Patel

The study of magnetars is of particular relevance since these objects are the only laboratories where the physics in ultra-strong magnetic fields can be directly tested. Until now, spectroscopic and timing measurements at X-ray energies in…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Roberto Taverna , Fabio Muleri , Roberto Turolla , Paolo Soffitta , Sergio Fabiani , Luciano Nobili

Here, we investigate spin Hall angle of Pt in Ni80Fe20/Pt bilayer system by using a broadband spin pumping and inverse spin Hall effect measurement. An out-of-plane excitation geometry with application of external magnetic field…

Materials Science · Physics 2017-09-13 Surbhi Gupta , Rohit Medwal , Daichi Kodama , Kouta Kondou , YoshiChika Otani , Yasuhiro Fukuma

The recently developed structure model that uses the generator coordinate method to perform configuration mixing of angular-momentum projected wave functions, generated by constrained self-consistent relativistic mean-field calculations for…

Nuclear Theory · Physics 2011-02-18 J. M. Yao , H. Mei , H. Chen , J. Meng , P. Ring , D. Vretenar

We report on a nanoscale quantum-sensing protocol which tracks a free precession of a single nuclear spin and is capable of estimating an azimuthal angle---a parameter which standard multipulse protocols cannot determine---of the target…

Quantum Physics · Physics 2018-09-17 Kento Sasaki , Kohei M. Itoh , Eisuke Abe
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