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The Deformable Mirror Simulator (DMS) is an optical device reproducing the F/13 beam from the adaptive secondary mirror of the Very Large Telescope UT4. The system has been designed and integrated as a test tool for the calibration and…

Instrumentation and Methods for Astrophysics · Physics 2022-07-29 Runa Briguglio , Armando Riccardi , Luca Carbonaro , Enrico Pinna , Chiara Selmi , Paolo Grani

The electron microscope has been a powerful, highly versatile workhorse in the fields of material and surface science, micro and nanotechnology, biology and geology, for nearly 80 years. The advent of two-dimensional materials opens new…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Peter Bøggild , Jose M. Caridad , Christoph Stampfer , Gaetano Galogero , Nick Papior , Mads Brandbyge

Defects of Ge quantum dot arrays may affect the electrophysical, photoelectrical or optical properties of Ge/Si heterostructures as well as the functionality of devices produced on their basis. The defects of Ge quantum dot arrays formed at…

Materials Science · Physics 2009-11-14 V. A. Yuryev , L. V. Arapkina

A special beam line for high energy electron radiography is designed, including achromat and imaging systems. The requirement of the angle and position correction on the target from imaging system can be approximately realized by fine…

As opposed to metasurfaces, metagratings represent themselves sparse arrangements of scatterers. Established rigorous analytical models allow metagratings to overcome performance of metasurfaces in beam steering applications while handling…

Applied Physics · Physics 2020-04-22 Vladislav Popov , Fabrice Boust , Shah Nawaz Burokur

Programmable electron-beam scanning offers new opportunities to improve dose efficiency and suppress scan-induced artifacts in scanning transmission electron microscopy. Here, we systematically benchmark the impact of non-raster…

Scintillating homogeneous detectors represent the state of the art in electromagnetic calorimetry. Moreover, the currently neglected crystalline nature of the most common inorganic scintillators can be exploited to achieve an outstanding…

Electrowetting on dielectric (EWOD) has emerged as a powerful tool to electrically manipulate tiny individual droplets in a controlled manner. Despite tremendous progress over the past two decades, current EWOD operating in ambient…

Materials Science · Physics 2014-09-25 Chonglei Hao , Yahua Liu , Xuemei Chen , Yuncheng He , Qiusheng Li , K. Y. Li , Zuankai Wang

With the explosion of wireless networks and automotive radar systems, there is an acute need for new materials and technologies that would not only minimize the size of these devices, but also enhance their performances. The technique of…

Materials Science · Physics 2011-04-14 Tichit Paul-Henri , Shah Nawaz Burokur , Dylan Germain , Andre de Lustrac

Massive multiple-input multiple-output (MIMO) techniques have been recently advanced to tremendously improve the performance of wireless networks. However, the use of very large antenna arrays brings new issues, such as the significantly…

Information Theory · Computer Science 2013-06-07 Yong Zeng , Rui Zhang , Zhi Ning Chen

A one-coordinate gaseous detector of soft X-ray photons for wide-angle X-ray scattering (WAXS) studies is being developed. The detector operates in counting mode and is based on multi-stage Gas Electron Multiplier(GEM). Full size detector…

Instrumentation and Detectors · Physics 2008-11-26 V. M. Aulchenko , P. A. Papushev , M. R. Sharafutdinov , L. I. Shekhtman , V. M. Titov , B. P. Tolochko , V. V. Zhulanov

As the core determinant of lithium-ion battery performance, electrode materials play a crucial role in defining the battery's capacity, cycling stability, and durability. During charging and discharging, electrode materials undergo complex…

Materials Science · Physics 2025-08-15 Liqi Wang , Ruijuan Xiao , Hong Li

The WASA 4pi multidetector system, aimed at investigating light meson production in light ion collisions and eta meson rare decays at the CELSIUS storage ring in Uppsala is presented. A detailed description of the design, together with the…

Compact varifocal lenses are essential to various imaging and vision technologies. However, existing varifocal elements typically rely on mechanically-actuated systems with limited tuning speeds and scalability. Here, an ultrathin…

As the integration density and design intricacy of semiconductor wafers increase, the magnitude and complexity of defects in them are also on the rise. Since the manual inspection of wafer defects is costly, an automated artificial…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Subhrajit Nag , Dhruv Makwana , Sai Chandra Teja R , Sparsh Mittal , C Krishna Mohan

After 28 years from the conception of the pyramid WFS several new kind of devices able to convert wavefront shape into some sort of different illumination on a detector have been conceived. While, suspending momentarily any kind of modesty,…

Instrumentation and Methods for Astrophysics · Physics 2023-10-17 Roberto Ragazzoni

Curved and conformal optics offer significant advantages by unlocking additional geometric degrees of freedom for optical design. These capabilities enable enhanced optical performance and are essential for meeting non-optical constraints,…

Micro/nano electro-mechanical systems (MEMS/NEMS) are constantly attracting an increasing attention for their relevant technological applications in fields ranging from biology, medicine, ecology, energy to industry. Most of the…

Materials Science · Physics 2021-03-10 Omar Tricinci , Marco Carlotti , Andrea Desii , Fabian Meder , Virgilio Mattoli

Field effect transistors embedded into a depleted silicon bulk (DEPFETs) can be used as the first amplifying element for the detection of small signal charges deposited in the bulk by ionizing particles, X-ray photons or visible light. Very…

High Energy Physics - Experiment · Physics 2009-11-07 P. Fischer , W. Neeser , M. Trimpl , J. Ulrici , N. Wermes

It is shown that the interaction of an electron beam with polarized electromagnetic wave of laser photons propagating in the same direction in a short interaction region results in significant transversal deflection of the electrons which…

High Energy Physics - Experiment · Physics 2007-05-23 K. A. Ispirian , M. K. Ispiryan