English
Related papers

Related papers: Optical setup for a piston-cylinder type pressure …

200 papers

A clamp pressure cell for neutron scattering experiments at low temperatures and in external magnetic fields under pressure up to 2~GPa has been fabricated and tested. The cell provides optical access to the sample space that allows…

Instrumentation and Detectors · Physics 2019-04-29 A. Podlesnyak , M. Loguillo , G. M. Rucker , B. Haberl , R. Boehler , G. Ehlers , L. L. Daemen , D. Armitage , M. D. Frontzek , M. Lumsden

We have developed a modular system for high-resolution microscopy at high hydrostatic pressure. The system consists of a pressurised cell of volume ~100 microlitres, a temperature controlled holder, a ram and a piston. We have made each of…

The Optically Segmented Single Volume Scatter Camera (OS-SVSC) aims to image neutron sources for non-proliferation applications using the kinematic reconstruction of elastic double-scatter events. Our prototype system consists of 64 EJ-204…

Optical pumping is fundamental to high-precision measurement using thermal alkali-metal atoms in vapor cells. In applications such as atomic magnetometry, buffer gases (e.g., $\mathrm{N}_2$ or $\mathrm{He}$) at specific pressures are…

Atomic Physics · Physics 2026-05-12 Kezheng Yan , Jinbo Hu , Nan Zhao

In this article we report on the design, manufacture and testing of a high-pressure cell for doing simultaneous dielectric and neutron spectroscopy. This cell is a unique tool for studying dynamics on different timescales, from kilo- to…

Conditional Measurement scheme which employs linear optical elements and photon detection is the fertile ground for nonclassical state generation. We consider a simple setup that requires a coherent state and a number state as inputs of the…

Quantum Physics · Physics 2024-12-30 Devibala Esakkimuthu , Basherrudin Mahmud Ahmed A

With the rise of neutrino astronomy using large-volume detector arrays, calibration improvements of optical media and photosensors have emerged as significant means to reduce detector systematics. To improve understanding of the detector…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 F. Henningsen , M. Boehmer , A. Gärtner , L. Geilen , R. Gernhäuser , H. Heggen , K. Holzapfel , C. Fruck , L. Papp , I. C. Rea , E. Resconi , F. Schmuckermaier , C. Spannfellner , M. Traxler

In many applications, such as the detection of ultra-high energy cosmic rays using the air fluorescence method, the number of photons incident on the detector must be known. This requires a precise knowledge of the absolute efficiency of…

Instrumentation and Detectors · Physics 2015-06-22 Carl Blaksley , Philippe Gorodetzky

A numerical method to calculate optical conductivity based on a pump-probe setup is presented. Its validity and limits are tested and demonstrated via the concrete numerical simulations on the half-filled one-dimensional extended Hubbard…

Strongly Correlated Electrons · Physics 2016-05-26 Can Shao , Takami Tohyama , Hong-Gang Luo , Hantao Lu

The IceCube Neutrino Observatory will be upgraded with about 700 additional optical sensor modules and new calibration devices. Particularly, improved calibration will enhance IceCube's physics capabilities both at low and high neutrino…

Instrumentation and Methods for Astrophysics · Physics 2019-09-06 Dirk Heinen , Shefali , Roxanne Turcotte , Lars Steffen Weinstock , Christopher Wiebusch , Simon Zierke

We have extended the range of the high-pressure optical spectroscopy to the far-infrared region keeping the accuracy of ambient-pressure experiments. The newly-developed method offers a powerful tool for the study of pressure-induced phase…

Strongly Correlated Electrons · Physics 2014-01-15 I. Kezsmarki , R. Gaal , C. C. Homes , B. Sipos , H. Berger , S. Bordacs , G. Mihaly , L. Forro

Detecting elevated intracranial pressure (ICP) is crucial in diagnosing and managing various neurological conditions. These fluctuations in pressure are transmitted to the optic nerve sheath (ONS), resulting in changes to its diameter,…

Microbubbles - used as contrast agents in ultrasound imaging - are important tools in biomedical research, having been used together with ultrasound to develop significant diagnostic and therapeutic techniques. It has been suggested that…

Medical Physics · Physics 2022-11-23 Prashant Pandey

Optical sound pressure measurement is a promising technology to establish primary acoustic standards without reliance on specific types of microphones. We developed a precision optical sound pressure measurement system by combining a…

Instrumentation and Detectors · Physics 2025-12-22 Koto Hirano , Wataru Kokuyama , Hajime Inaba , Sho Okubo , Tomofumi Shimoda , Hironobu Takahashi , Keisuke Yamada , Hideaki Nozato

We have developed a new type of opposed-anvil high pressure cell with substantially improved space efficiency. The clamp cell and the gasket are made of non-magnetic Ni-Cr-Al alloy. Non-magnetic tungsten carbide (NMWC) is used for the…

The simultaneous application of high magnetic fields and high pressures for controlling magnetic ground states is important for testing our understanding of many-body quantum theory. However, the implementation for neutron scattering…

The faint fluxes of cosmic neutrinos expected at very high energies require large instrumented detector volumes. The necessary volumes in combination with a sufficient shielding against background constitute forbidding and complex…

Instrumentation and Methods for Astrophysics · Physics 2013-03-28 A. Enzenhöfer , G. Anton , K. Graf , J. Hößl , U. Katz , R. Lahmann , M. Neff , C. Richardt

Accurate measurement of pressure with a wide dynamic range holds significant importance for various applications. This issue can be realized with a mechanical nano-oscillator, where the pressure-related collisions with surrounding molecules…

Optics · Physics 2024-11-22 Lyu-Hang Liu , Yu Zheng , Yuan Tian , Long Wang , Guang-Can Guo , Fang-Wen Sun

The loading dynamics of an alkali-atom magneto-optical trap can be used as a reliable measure of vacuum pressure, with loading time T indicating a pressure less than or equal to [2x10^(-8) Torr s]/T. This relation is accurate to…

Atomic Physics · Physics 2015-06-04 T. Arpornthip , C. A. Sackett , K. J. Hughes

Accurate measurements with implications in many branches in Physics have been accessed using Penning traps and conventional techniques within a temperature regime where each eigenmotion of a charged particle is still a classical harmonic…

Quantum Physics · Physics 2024-06-12 Joaquín Berrocal , Daniel Rodríguez
‹ Prev 1 2 3 10 Next ›