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Higher harmonic modes in nanoscale silicon cantilevers and microscale quartz tuning forks are detected and characterized using a custom scanning optical homodyne interferometer. Capable of both mass and force sensing, these resonators…

Other Condensed Matter · Physics 2008-03-16 Gabriel Zeltzer , Jason C. Randel , Amit K. Gupta , Rashid Bashir , Sang-Hun Song , Hari C. Manoharan

We have used element specific X-ray resonant scattering to investigate the M edge resonances in a single crystal of \unpo. Earlier neutron diffraction and M\"{o}ssbauer studies had shown the presence of long-range AF order below T$_{N}$ =…

Strongly Correlated Electrons · Physics 2009-11-10 S. B. Wilkins , J. A. Paxiao , R. Caciuffo , P. Javorsky , F. Wastin , J. Rebizant , C. Detlefs , N. Bernhoeft , P. Santini , G. H. Lander

Tunable, low-loss, narrowband, and frequency-stabilized filters play a critical role in the realization of transceivers for efficient signal processing in telecommunications and sensing applications in the presence of strong interference…

Strong-field mid-infrared pump--terahertz (THz) probe spectroscopy has been proven as a powerful tool for light control of different orders in strongly correlated materials. We report the construction of an ultrafast broadband infrared…

Instrumentation and Detectors · Physics 2017-10-10 S. J. Zhang , Z. X. Wang , T. Dong , N. L. Wang

Advances in silicon photonics have resulted in rapidly increasing complexity of integrated circuits. New methods are desirable that allow direct characterization of individual optical components in-situ, without the need for additional…

For the SwissFEL project, an advanced high gradient low emittance gun is under development. Reliable operation with an electric field, preferably above 125 MV/m at a 4 mm gap, in the presence of an UV laser beam, has to be achieved in a…

Accelerator Physics · Physics 2014-11-20 F. Le Pimpec , C. Gough , M. Paraliev , R. Ganter , C. Hauri , S. Ivkovic

Photon magnon hybrid systems present a promising platform for the development of next generation devices in quantum information processing and quantum sensing technologies. In this study, we investigate the control of photon magnon coupling…

Materials Science · Physics 2026-01-15 Sachin Verma , Jiten Mahalik , Abhishek Maurya , Rajeev Singh , Biswanath Bhoi

In this work, we propose new field-free estimators for static field-gradient polarizabilities in finite temperature PIMC simulation. Namely, dipole--quadrupole polarizability $A$, dipole--dipole--quadrupole polarizability $B$ and…

Chemical Physics · Physics 2017-11-27 Juha Tiihonen , Ilkka Kylänpää , Tapio T. Rantala

The response of a graphene Hall-Effect sensor to the inhomogeneous magnetic field generated by a dipole located above it, is investigated numerically at room temperature as a function of the dipole position, its orientation and the…

Mesoscale and Nanoscale Physics · Physics 2024-10-07 Lionel Petit , Thomas Blon , Benjamin Lassagne

Graphene opens up for novel optoelectronic applications thanks to its high carrier mobility, ultra-large absorption bandwidth, and extremely fast material response. In particular, the opportunity to control optoelectronic properties through…

The full control of the fundamental photophysics of nanosystems at frequencies as high as few THz is key for tunable and ultrafast nano-photonic devices and metamaterials. Here we combine geometrical and ultrafast control of the optical…

Disk accretion to rotating stars with complex magnetic fields is investigated using full three-dimensional magnetohydrodynamic (MHD) simulations. The studied magnetic configurations include superpositions of misaligned dipole and quadrupole…

Astrophysics · Physics 2009-11-13 M. Long , M. M. Romanova , R. V. E. Lovelace

Integrated ferroelectric plasmonic modulators featuring large bandwidths, broad optical operation range, resilience to high temperature and ultracompact footprint are introduced. Measurements show a modulation bandwidth of 70 GHz and a…

New experiments at Fermilab require higher beam intensities at Booster, resulting in higher influence of magnet steel on the beam. In order to carefully take these effects into account it is necessary to know geometric and material…

Accelerator Physics · Physics 2011-12-06 Yury Tokpanov , Valeri Lebedev , William Pellico

In the Energy Frontier we suggest developing high rate (100 MHz) finely segmented forward calorimetry preradiators with time resolution <50 ps which will survive the first 1-2 Lint of incident high radiation doses, protecting forward…

Instrumentation and Detectors · Physics 2022-03-21 David R Winn , Yasar Onel

We describe a simple yet rigorous theoretical model capable of analytical estimation of plasmonic field enhancement in complex metal structures. We show that one can treat the complex structures as coupled multi-pole modes with highest…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Gregory Sun , Jacob Khurgin , Alexander M. Bratkovsky

We demonstrate that directional electromagnetic scattering can be realized from a artificial Mie resonant strcuture which supports electric and magnetic dipole modes simultaneously. The directivity of the far-field radiation pattern can be…

Optics · Physics 2018-01-15 Hong-Wei Wu , Hua-Jun Chen , Hua-Feng Xu , Yu Zhou , Dong-Xiang Qi , Yue-Ke Wang

We present a detailed analysis of the usefulness of ultracold atomic collisions for sensing the strength of an external magnetic field as well as its spatial gradient. The core idea of the sensor, which we recently proposed in K. Jachymski…

Quantum Physics · Physics 2018-06-11 Tomasz Wasak , Krzysztof Jachymski , Tommaso Calarco , Antonio Negretti

We experimentally study the effect of near field coupling on the transmission of light in terahertz metasurfaces, possessing slightly distinctive SRR resonances. Our results show that the interplay between the strengths of electric and…

The new beam profile measurement for the Antiproton Decelerator (AD) at CERN is based on a single Gas Electron Multiplier (GEM) with a 2D readout structure. This detector is very light, ~0.4% X_0, as required by the low energy of the…

Instrumentation and Detectors · Physics 2012-08-31 Serge Duarte Pinto , Philippe Carrière , Jens Spanggaard , Gerard Tranquille