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In this paper, the role of air humidity on the iron corrosion under irradiation is studied in the context of geological disposal of nuclear wastes. The irradiation experiments are performed at room temperature using a 3 MeV extracted proton…

Chemical Physics · Physics 2016-08-16 S. Lapuerta , N. Moncoffre , N. Bérerd , H. Jaffrézic , N. Millard-Pinard , D. Crusset

We demonstrate that absorption saturation of a mid-infrared intersubband transition can be engineered to occur at moderate light intensities of the order of 10-20 kW$.$cm$^{-2}$ and at room temperature. The structure consists of an array of…

We report CO detections in 17 out of 19 infrared ultraluminous QSO (IR QSO) hosts observed with the IRAM 30m telescope. The cold molecular gas reservoir in these objects is in a range of 0.2--2.1$\times 10^{10}M_\odot$ (adopting a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 X. Y. Xia , Y. Gao , C. -N. Hao , Q. H. Tan , S. Mao , A. Omont , B. O. Flaquer , S. Leon , P. Cox

The acoustic radiation force exerted on a small sphere located at the focus of an ultrasonic beam is measured in a soft gel. It is proved to evolve quadratically with the local amplitude of the acoustic field. Strong oscillations of the…

Soft Condensed Matter · Physics 2017-06-28 Pierre Lidon , Louis Villa , Nicolas Taberlet , Sébastien Manneville

When a fluid is confined to a nanopore, its thermodynamic properties differ from the properties of a bulk fluid, so measuring such properties of the confined fluid can provide information about the pore sizes. Here we report a simple…

Intrabody communication (IBC), is a promising technology that can be utilized for data transmission across the human body. In this study, a galvanic coupled (GC)-based IBC channel has been investigated for implantable configuration both…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Kayhan Ate , Anna Marcucci , Pietro Savazzi , Şükrü Özen , Fabio Dell'Acqua , Anna Vizziello

We present a general parameter study, in which the abundance of interstellar argonium (ArH$^+$) is predicted using a model for the physics and chemistry of diffuse interstellar gas clouds. Results have been obtained as a function of UV…

Astrophysics of Galaxies · Physics 2016-08-17 David A. Neufeld , Mark G. Wolfire

This paper is concerned with a practical inverse problem of simultaneously reconstructing the surface heat flux and the thickness of a solid structure from the associated ultrasonic measurements. In a thermoacoustic coupling model, the…

Numerical Analysis · Mathematics 2020-12-01 Youjun Deng , Hongyu Liu , Xianchao Wang , Dong Wei , Liyan Zhu

Ultravoilet (UV) absorption lines provide abundant spectroscopic information enabling the probe of the physical conditions in AGN outflows, but the outflow radii (and the energetics consequently) can only be determined indirectly. In this…

Astrophysics of Galaxies · Physics 2015-11-04 Guilin Liu , Nahum Arav , David S. N. Rupke

In scanning probe microscopy laser interferometers are usually used for measuring the position of the probe tip with a metrological traceability. As the most of the AFM setups are designed to work under standard atmospheric conditions the…

Instrumentation and Detectors · Physics 2022-10-25 V. Hucl , M. Cizek , J. Hrabina , B. Mikel , S. Rerucha , Z. Buchta , P. Jedlicka , A. Lesundak , J. Oulehla , L. Mrna , M. Sarbort , R. Smid , J. Lazar , O. Cip

High harmonic generation (HHG) in gaseous media provides a robust method for producing coherent extreme-ultraviolet (EUV) radiation and attosecond pulses. However, the spectral and temporal properties of these pulses -- such as bandwidth…

The correction of the aberration of transcranial focused ultrasounds is a relevant issue for enhancing various non-invasive medical treatments. Emission through multi-element phased arrays has been the most widely accepted method to reduce…

Medical Physics · Physics 2018-05-28 Marcelino Ferri , JM Bravo , Javier Redondo , JV Sánchez-Pérez

In inertial confinement fusion experiments hollow, spherical mm-sized capsules are used as a container for nuclear fuel. To achieve maximum implosion efficiency, a perfect capsule geometry is required. This paper presents a wall thickness…

Instrumentation and Detectors · Physics 2026-02-03 Martin Ryzy , Guqi Yan , Clemens Grünsteidl , Georg Watzl , Kevin Sequoia , Pavel Lapa , Haibo Huang

The dust-to-gas ratios in three different samples of luminous, ultraluminous, and hyperluminous infrared galaxies are calculated by modelling their radio to soft X-ray spectral energy distributions using composite models which account for…

Astrophysics · Physics 2009-11-13 M. Contini , T. Contini

A new determination of the molar gas constant was performed from measurements of the speed of sound in argon at the triple point of water and extrapolation to zero pressure. A new resonant cavity was used. This is a triaxial ellipsoid whose…

We investigate the prospects for detecting and constraining density and temperature inhomogeneities in the circumgalactic medium (CGM) using absorption measurements of metal ions. Distributions in the gas thermal properties could arise from…

Astrophysics of Galaxies · Physics 2024-06-07 Yakov Faerman , Daniel R. Piacitelli , Matthew McQuinn , Jessica K. Werk

Plasmonic nanoparticles resonantly couple to and confine light below the diffraction limit. This mechanism has enabled a modern renaissance in optical materials, with potential applications ranging from sensing and circuitry to renewable…

For space gravitational wave (GW) detection, arm locking is a proposal useful in decreasing the frequency noise of the laser sources for current developing space missions LISA and Taiji/TianQin. In this paper, we study the application of…

Instrumentation and Methods for Astrophysics · Physics 2024-10-02 Jun Nian , Wei-Tou Ni

We present high-reflectivity substrate-transferred single-crystal GaAs/AlGaAs interference coatings at a center wavelength of 4.54 um with record-low excess optical loss below 10 parts per million. These high-performance mirrors are…

We study the photoionization of argon atoms close to the 3s$^2$3p$^6$ $\rightarrow$ 3s$^1$3p$^6$4p $\leftrightarrow$ 3s$^2$3p$^5$ $\varepsilon \ell$, $\ell$=s,d Fano window resonance. An interferometric technique using an attosecond pulse…