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200 papers

Ultracold quantum gases offer unique possibilities to study interacting many-body quantum systems. Probing and manipulating such systems with ever increasing degree of control requires novel experimental techniques. Scanning electron…

Quantum Gases · Physics 2015-09-14 Bodhaditya Santra , Herwig Ott

Anti-Stokes photoluminescence of metal nanoparticles, in which emitted photons have a higher energy than the incident photons, is an indicator of the temperature prevalent within a nanoparticle. Previous work has shown how to extract the…

Optics · Physics 2020-08-21 Thomas Jollans , Martín Caldarola , Yonatan Sivan , Michel Orrit

A huge amount of thermal energy is available close to material surfaces in radiative and non-radiative states, which can be useful for matter characterization or for energy devices. One way to harness this near-field energy is to scatter it…

Applied Physics · Physics 2021-10-15 C Lucchesi , D. Cakiroglu , J. -P Perez , T. Taliercio , E. Tournié , P. -O Chapuis , Rodolphe Vaillon

We present an experimental setup and methodology designed to facilitate high-precision thermal measurements required for infrared medical tomography. The approach which is best suited for the study of specialized hardware phantoms comprises…

Medical Physics · Physics 2026-04-08 Anna Frixou , Efstathios Stiliaris , Costas N. Papanicolas

Quantitative thermal imaging has the potential of reliable temperature measurement across an entire field-of-view. This non-invasive technique has applications in aerospace, manufacturing and process control. However, robust temperature…

Instrumentation and Detectors · Physics 2022-04-27 Jamie McMillan , Aaron Whittam , Maciej Rokosz , Rob Simpson

The transition of materials and devices to nanometer, atomic, and quantum scales makes thermal characterization increasingly challenging, driving the need for advanced nanoscale thermometry. Fluorescence nanothermometry has emerged as a…

Controlling and detecting thermal radiation is of vital importance for varied applications ranging from energy conversion systems and nanoscale information processing devices to infrared imaging, spectroscopy and sensing. We review the…

Optics · Physics 2020-08-05 Xueji Wang , Ryan Starko-Bowes , Chinmay Khandekar , Zubin Jacob

We investigate that temperature can be measured by a modified Michelson interferometer, where at least one reflected mirror is replaced by a thermalized sample. Both of two mirrors replaced by the corresponding two thermalized samples can…

Quantum Physics · Physics 2017-08-28 Dong Xie , Chunling Xu , Anmin wang

Hyperspectral microscopy is an imaging technique that provides spectroscopic information with high spatial resolution. When applied in the relevant wavelength region, such as in the infrared (IR), it can reveal a rich spectral fingerprint…

Thermal properties have an outsized impact on efficiency and sensitivity of devices with nanoscale structures, such as in integrated electronic circuits. A number of thermal conductivity measurements for semiconductor nanostructures exist,…

The measurement of temperature with nanoscale spatial resolution is an emerging new technology and it has important impact in various fields. An ideal nanothermometer should not only be accurate, but also applicable over a wide temperature…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Liselotte Jauffred

Current thermometry techniques lack the spatial resolution required to see the temperature gradients in typical, highly-scaled modern transistors. As a step toward addressing this problem, we have measured the temperature dependence of the…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 Matthew Mecklenburg , Brian Zutter , B. C. Regan

Detection of infrared (IR) photons in a room-temperature IR camera is carried out by a two-dimensional array of microbolometer pixels which exhibit temperature-sensitive resistivity. When IR light coming from the far-field is focused onto…

Optics · Physics 2021-08-27 Chinmay Khandekar , Weiliang Jin , Shanhui Fan

High speed camera imaging is a powerful tool to probe the spatiotemporal features of unsteady processes in plasmas, usually assuming light fluctuations to be a proxy for the plasma density fluctuations. In this article, we systematically…

Plasma Physics · Physics 2022-04-06 Simon Vincent , Vincent Dolique , Nicolas Plihon

Here we review recent progress in cooling micro/nanoelectronic devices significantly below 10 mK. A number of groups worldwide are working to produce sub-millikelvin on-chip electron temperatures, motivated by the possibility of observing…

Mesoscale and Nanoscale Physics · Physics 2020-06-09 A. T. Jones , C. P. Scheller , J. R. Prance , Y. B. Kalyoncu , D. M. Zumbühl , R. P. Haley

Transmission Electron Microscopy (TEM) is a powerful tool for imaging material structure and characterizing material chemistry. Recent advances in data collection technology for TEM have enabled high-volume and high-resolution data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Josh Kacher , Yao Xie , Sven P. Voigt , Shixiang Zhu , Henry Yuchi , Jordan Key , Surya R. Kalidindi

Models for characterization of laser-accelerated electron via its produced bremsstrahlung are provided for both thin and thick targets. An effective temperature functional is proposed to overcome the so-called cold and hot "temperatures" in…

Instrumentation and Detectors · Physics 2018-08-01 Guillermo Hernández , Francisco Fernández

Scanning electron microscopy (SEM), a century-old technique, is today a ubiquitous method of imaging the surface of nanostructures. However, most SEM detectors simply count the number of secondary electrons from a material of interest, and…

Granular nanostructure of electron beam resist had limited the ultimate resolution of electron beam lithography. We report a thermal process to achieve a uniform and homogeneous amorphous thin film of poly methyl methacrylate electron…

Materials Science · Physics 2012-07-16 Nima Arjmandi , Liesbet Lagae , Gustaaf Borghs

This work introduces a thermoreflectance-based system designed to measure the surface temperature field of activated microelectronic devices at submicron spatial resolution with either a laser or a CCD camera. The article describes the…

Materials Science · Physics 2007-09-13 P. -L. Komarov , M. G. Burzo , P. -E. Raad