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The spatial resolution of imaging magnetometers has benefited from scanning probe techniques. The requirement that the sample perturbs the scanning probe through a magnetic field external to its volume limits magnetometry to samples with…

Quantum Physics · Physics 2017-04-05 J. van Bree , M. E. Flatté

A new horn-shaped electrooptic scanner is described with significantly improved scanning sensitivity over rectangular-shaped devices. In the new device, the shape of the scanner is chosen to follow the trajectory of the beam. An example…

Networking and Internet Architecture · Computer Science 2024-05-12 Jennifer C. Fang , M. J. Kawas , J. Zou , V. Gopalan , T. E. Schlesinger , Daniel D. Stancil

Acoustical behavior of a room for a given position of microphone and sound source is usually described using the room impulse response. If we rely on the standard uniform sampling, the estimation of room impulse response for arbitrary…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-19 Helena Peić Tukuljac , Thach Pham Vu , Hervé Lissek , Pierre Vandergheynst

The in-plane (thermal) Hall effect is an unconventional transverse response when the applied magnetic field is in the (heat) current plane. In contrast to the normal Hall effect, the in-plane Hall effect requires the absence of certain…

Materials Science · Physics 2023-06-01 Takashi Kurumaji

Final measurements and analysis are reported from the first-generation Holometer, the first instrument capable of measuring correlated variations in space-time position at strain noise power spectral densities smaller than a Planck time.…

The electronic circulator, and its close relative the gyrator, are invaluable tools for noise management and signal routing in the current generation of low-temperature microwave systems for the implementation of new quantum technologies.…

Mesoscale and Nanoscale Physics · Physics 2014-05-06 Giovanni Viola , David P. DiVincenzo

We demonstrate theoretically how a two-dimensional electron gas can be used to probe local potential profiles using the Hall effect. For small magnetic fields, the Hall resistance is inversely proportional to the average potential profile…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 B. J. Baelus , F. M. Peeters

Single-atom quantum sensors offer high spatial resolution and high sensitivity to electric and magnetic fields. Among them, trapped ions offer exceptional performance in sensing electric fields, which has been used in particular to probe…

A new type of radiation detector based on a spherical geometry is presented. The detector consists of a large spherical gas volume with a central electrode forming a radial electric field. Charges deposited in the conversion volume drift to…

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

We analyze the performance of a planar lens based on realistic negative index material in a generalized geometry. We demonstrate that the conventional superlens design (where the lens is centered between the object and the image) is not…

Optics · Physics 2016-09-08 Viktor A. Podolskiy , Nicholas A. Kuhta , Graeme W. Milton

Atomic spin sensors offer precision measurements using compact, microfabricated packages, placing them in a competitive position for both market and research applications. Performance of these sensors such as dynamic range may be enhanced…

The application of quadrupole-devices with high field gradients and small apertures requires precise control over higher order multipole field components. We present a new scheme for performance control and tuning, which allows the…

Instrumentation and Detectors · Physics 2009-11-09 S. Becker , M. Bussmann , S. Raith , M. Fuchs , R. Weingartner , P. Kunz , W. Lauth , S. Schramm , M. El Ghazaly , F. Grüner , H. Backe , D. Habs

Pixelated silicon detectors are state-of-the-art technology to achieve precise tracking and vertexing at collider experiments, designed to accurately measure the hit position of incoming particles in high rate and radiation environments.…

Instrumentation and Detectors · Physics 2021-12-08 I. Zoi , A. Ebrahimi , F. Feindt , E. Garutti , P. Gunnellini , A. Hinzmann , C. Niemeyer , D. Pitzl , J. Schwandt , G. Steinbrück

Optical systems capable of generating fields with sub-wavelength spatial features have become standard in science and engineering research and industry. Pertinent examples include atom- and ion-based quantum computers and optical…

Atomic Physics · Physics 2025-11-18 Nikhil Kotibhaskar , Sainath Motlakunta , Anthony Vogliano , Lewis Hahn , Rajibul Islam

Transformation and detection of photons in higher-order spatial modes usually requires complicated holographic techniques. Detectors based on spatial holograms suffer from non-idealities and should be carefully calibrated. We report a novel…

Quantum Physics · Physics 2015-06-23 Ivan Bobrov , Egor Kovlakov , Anton Markov , Stanislav Straupe , Sergey Kulik

The need for ever-faster information processing requires extremely small devices operating at frequencies approaching the terahertz and petahertz regimes. For the diagnostics of such devices, researchers need a spatiotemporal tool that…

Applied Physics · Physics 2024-01-30 Maximilian Mattes , Mikhail Volkov , Peter Baum

The paper introduces a semi-analytical method for calculating the Hall conductivity in the single-band approximations. The method goes beyond the linear response theory and, thus, imposes no limitation on the electric fields magnitude. It…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Andrey R. Kolovsky

Measurement techniques based upon the Hall effect are invaluable tools in condensed matter physics. When an electric current flows perpendicular to a magnetic field, a Hall voltage develops in the direction transverse to both the current…