English
Related papers

Related papers: Multitechnique characterization of lapis lazuli fo…

200 papers

Einstein Telescope (ET) is expected to achieve sensitivity improvements exceeding an order of magnitude compared to current gravitational-wave detectors. The rigorous characterization in optical birefringence of materials and coatings has…

The ATLAS experiment is one of two large general-purpose particle detectors at the Large Hadron Collider (LHC) at the CERN laboratory in Geneva, Switzerland. ATLAS has been collecting data from the collisions of protons since December 2009,…

Instrumentation and Detectors · Physics 2010-08-18 E. A. Ouellette , A. Harris

Visual salience detection originated over 500 million years ago and is one of nature's most efficient mechanisms. In contrast, many state-of-the-art computational saliency models are complex and inefficient. Most saliency models process…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Shivanthan A. C. Yohanandan , Adrian G. Dyer , Dacheng Tao , Andy Song

Detailed chemical abundances of Galactic stars are needed in order to improve our knowledge of the formation and evolution of our galaxy, the Milky Way. We took advantage of the GIANO archive spectra to select a sample of Galactic disc…

Solar and Stellar Astrophysics · Physics 2019-01-30 E. Caffau , P. Bonifacio , E. Oliva , S. Korotin , L. Capitanio , S. Andrievsky , R. Collet , L. Sbordone , S. Duffau , N. Sanna , L. Origlia , N. Ryde , H. -G. Ludwig

The scanning mid-IR-laser microscopy was previously demonstrated as an effective tool for characterization of different semiconductor crystals. Now the technique has been successfully applied for the investigation of CZ Si$_x$Ge$_{1-x}$---a…

Materials Science · Physics 2013-10-25 V. P. Kalinushkin , O. V. Astafiev , V. A. Yuryev

Lithium aluminate (LiAlO2) polycrystalline material showing high OSL sensitivity and linear dose response was prepared at IFJ Krakow. The kinetic parameters of OSL and TL processes were evaluated using various experimental techniques:…

Instrumentation and Detectors · Physics 2014-02-26 A. Twardak , P. Bilski , B. Marczewska , W. Gieszczyk

Rare-earth ions are promising solid state systems to build light-matter interfaces at the quantum level. This relies on their potential to show narrow optical homogeneous linewidths or, equivalently, long-lived optical quantum states. In…

Periodic point sets model all solid crystalline materials (crystals) whose atoms can be considered zero-sized points with or without atomic types. This paper addresses the fundamental problem of checking whether claimed crystals are novel,…

Computational Geometry · Computer Science 2025-10-03 Daniel E Widdowson , Vitaliy A Kurlin

The Primeval Structure Telescope (PaST), will be used search for and study the era the of the first luminous objects, the epoch of reionization. The first stars ionized the gas around them producing a pattern of ionization that reflects the…

Astrophysics · Physics 2007-05-23 Jeff Peterson , Ue-Li Pen , Xiang-Ping Wu

We have used the Mid-InfraRed Instrument (MIRI) on the James Webb Space Telescope (JWST) to obtain the first spatially resolved, mid-infrared (mid-IR) images of IIZw096, a merging luminous infrared galaxy (LIRG) at $z = 0.036$. Previous…

Lunar sulfides and oxides are a significant source of noble and base metals and will be vital for future human colonies' self-sustainability. Sulfide detection (pyrite and troilite) applies to many technological fields and use cases, for…

This paper presents a detailed spectral pixel (spaxel) analysis of the ten Luminous Infrared Galaxies (LIRGs) previously observed with the Wide Field Spectrograph (WiFeS), an integral field spectrograph mounted on the ANU 2.3m telescope,…

Medieval paper, a handmade product, is made with a mould which leaves an indelible imprint on the sheet of paper. This imprint includes chain lines, laid lines and watermarks which are often visible on the sheet. Extracting these features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Tamara G. Grossmann , Carola-Bibiane Schönlieb , Orietta Da Rold

We observed an intensive near-infrared luminescence in Bi-doped KAlCl4 polycrystalline material. Luminescence dependence on the excitation wavelength and temperature of the sample was studied. Our experimental results allow asserting that…

A wide variety of feed gases are used to generate low-temperature plasmas for the microelectronics and the sustainability applications. These plasmas often have a complex combination of reactive and non-reactive species which may have…

Stecker, Malkan and Scully, have shown how ongoing deep surveys of galaxy luminosity functions, spectral energy distributions and backwards evolution models of star formation rates can be used to calculate the past history of intergalactic…

Astrophysics · Physics 2008-11-26 F. W. Stecker

Mass ($M$) and luminosity ($L$) are fundamental parameters of stars but can only be measured indirectly. Typically, effective temperature ($T_{\rm eff}$), surface gravity (${\rm log}\ g$) and metallicity ([M/H]) are derived from stellar…

Solar and Stellar Astrophysics · Physics 2025-04-04 Qida Li , Jianping Xiong , Jiao Li , Yanjun Guo , Zhanwen Han , Xuefei Chen , Chao Liu

Light elements in the iron-rich core of the Earth are important indicators for the evolution of our planet. Their amount and distribution, and the temperature in the core, are essential for understanding how the core and the mantle interact…

Geophysics · Physics 2008-07-02 A. Aitta

One hundred and five 15mu selected objects in three ISO deep survey fields (CFRS 3h, UDSR and UDSF) are studied on the basis of the high quality optical spectra with resolution R>1000 from VLT/FORS2. Ninety two objects (88%) have secure…

Astrophysics · Physics 2009-11-10 Y. C. Liang , F. Hammer , H. Flores , D. Elbaz , D. Marcillac , C. J. Cesarsky

Ion Coulomb crystals (ICC), formed by atomic ions at low temperatures in radiofrequency and Penning ion traps, are structures that have remarkable properties and many applications. Images of Coulomb crystals are striking and reveal the…

Quantum Physics · Physics 2022-08-11 Richard C. Thompson