English
Related papers

Related papers: A multi-purpose modular system for high-resolution…

200 papers

We demonstrate the design, fabrication and use of a dual electrode PMUT (Piezoelectric Micromachined Ultrasound Transducer) integrated with a microfluidic channel as a fluid density sensor in both static and dynamic density-change…

Recent advances in optical technology have significantly enhanced the resolution of imaging of living cells, achieving nanometer-scale precision. However, the crowded three-dimensional environment within cells presents a challenge for…

Optics · Physics 2024-11-20 Vahid Nasirimarekani , Zuzana Ditte , Eberhard Bodenschatz

Scanning transmission electron microscopy is a common tool used to study the atomic structure of materials. It is an inherently multimodal tool allowing for the simultaneous acquisition of multiple information channels. Despite its…

Highly prolate-shaped whispering-gallery-mode "bottle microresonators" have recently attracted considerable attention due to their advantageous properties. We experimentally show that such resonators offer ultra-high quality factors,…

Optics · Physics 2011-05-03 D. O'Shea , C. Junge , S. Nickel , M. Poellinger , A. Rauschenbeutel

We describe an ultrafast time resolved pump-probe spectroscopy setup aimed at studying the switching of nanophotonic structures. Both fs pump and probe pulses can be independently tuned over broad frequency range between 3850 and 21050…

Optics · Physics 2010-11-02 Tijmen G. Euser , Philip J. Harding , Willem L. Vos

This paper presents the development of instrumentation for the measurement of high-temperature thermal conductivity of bulk and coatings using a modulated photothermal radiometry (MPR) method, where a sample is heated by an…

Materials Science · Physics 2020-11-23 Jian Zeng , Ka Man Chung , Qingyang Wang , Xiaoxin Wang , Yu Pei , Peiwen Li , Renkun Chen

We present studies of the photoluminescence (PL), absorption and Raman scattering from poly[2,7-(9,9'-bis(2-ethylhexyl))fluorene] under hydrostatic pressures of 0-100 kbar at room temperature. The well-defined PL and associated vibronics…

We use a rigid axisymetric microfluidic flow focusing device to produce monodisperse bubbles, dispersed in a surfactant solution. The gas volume fraction of the dispersion collected out of this device can be as large as 90%, demonstrating…

Fluid Dynamics · Physics 2007-05-23 Elise Lorenceau , Yann Yip Cheung Sang , Reinhard Hohler , Sylvie Cohen-Addad

Luminescence imaging is invaluable for studying biological and material systems, particularly when advanced protocols that exploit temporal dynamics are employed. However, implementing such protocols often requires custom instrumentation,…

Instrumentation and Detectors · Physics 2025-09-16 Ian Coghill , Alienor Lahlou , Andrea Lodetti , Shizue Matsubara , Johann Boucle , Thomas Le Saux , Ludovic Jullien

We present an experimental set-up developed to perform optical spectroscopy experiments (Raman scattering and photoluminescence measurements) with a micrometer spatial resolution, in an extreme environment of low temperature, high magnetic…

We present a technique for extracting Raman intensities from ab initio molecular dynamics (MD) simulations at high temperature. The method is applied to the highly anharmonic case of dense hydrogen up to 500 K for pressures ranging from 180…

Materials Science · Physics 2013-02-25 Ioan B. Magdau , Graeme J. Ackland

A new set-up to measure acoustic wave velocities through deforming rock samples at high pressures (up to 1000 MPa), temperatures (up to 700$^\circ$C) and differential stress (up to 1500 MPa) has been developed in a recently refurbished gas…

Geophysics · Physics 2022-06-01 Christopher Harbord , Nicolas Brantut , Emmanuel David , Thomas Mitchell

High-resolution lithographic techniques are often limited by low volumetric throughput, since there is no universal and scalable manufacturing process that can produce 3D metasurfaces. In this work, we demonstrate a high-speed holographic…

Molecular dynamics simulations require barostats to be performed at constant pressure. The usual recipe is to employ the Berendsen barostat first, which displays a first-order volume relaxation efficient in equilibration but results in…

Computational Physics · Physics 2020-09-17 Mattia Bernetti , Giovanni Bussi

A strongly coupled ultracold plasma can be used as an excellent test platform for studying many-body interactions associated with various plasma phenomena. In this paper we discuss an approach that makes possible creation of the…

Confocal Raman microscopy offers a particular pathway for monitoring chemical "fingerprints" of intracellular components like the cell membrane, organelles, and nucleus. Nevertheless, conventional Raman acquisitions of fixed or randomly…

Multimodal nonlinear endoscopes have been a topic of intense research over the past two decades, enabling sub-cellular and label-free imaging in areas not reachable with table-top microscopes. They are sophisticated systems that can be…

Irreversible broadening of spectral holes in chlorin-doped polystyrene glass was studied for the first time in the temperature cycling experiments under high pressure (by raising the temperature from 5 K to various magnitudes up to 18 K and…

Disordered Systems and Neural Networks · Physics 2007-05-23 J. Takahashi , A. Suisalu , An. Kuznetsov , A. Laisaar , V. Hizhnyakov , J. Kikas

We report on the first detailed analysis of large three dimensional (3D) complex plasma structures in experiments performed in pure rf and combined rf+dc discharge modes. Inductively coupled plasma (ICP) is generated by an rf coil wrapped…

Plasma Physics · Physics 2013-04-04 S. Mitic , B. A. Klumov , S. A. Khrapak , G. E. Morfill

The unique working mechanics of roller-type peristaltic pumps have allowed their applications to span a wide variety of sectors and industries. The roller-type pump's accurate dosing and hydrostatic capabilities can theoretically allow for…

Systems and Control · Electrical Eng. & Systems 2020-11-30 Michael P. McIntyre , George van Schoor , Kenneth R. Uren , Cornelius P. Kloppers
‹ Prev 1 8 9 10 Next ›