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Tissue oxygenation and perfusion can be an indicator for organ viability during minimally invasive surgery, for example allowing real-time assessment of tissue perfusion and oxygen saturation. Multispectral imaging is an optical modality…

Computer Vision and Pattern Recognition · Computer Science 2017-06-23 Geoffrey Jones , Neil T Clancy , Xiaofei Du , Maria Robu , Simon Arridge , Daniel S Elson , Danail Stoyanov

We describe the construction and performance of a scanning tunneling microscope (STM) capable of taking maps of the tunneling density of states with sub-atomic spatial resolution at dilution refrigerator temperatures and high (14 T)…

Instrumentation and Detectors · Physics 2013-10-04 Shashank Misra , Brian B. Zhou , Ilya K. Drozdov , Jungpil Seo , Andras Gyenis , Simon C. J. Kingsley , Howard Jones , Ali Yazdani

The study of protein functions attributed to the conformation and fluctuation that are ruled by both the amino acid sequence and thermodynamics, requires thermodynamic quantities given by calorimetry using thermometric techniques. The…

Biological Physics · Physics 2019-05-01 Manabu Ishino , Akio Kishigami , Hiroyuki Kudo , Jongsuck Bae , Tatsuo Nozokido

Many processes in microfluidics and biology are driven or affected by viscosity. While several methods are able to measure this parameter globally (AFM, surface acoustic waves, DLS, ...), very few can provide high resolution viscosity…

Instrumentation and Detectors · Physics 2023-03-23 C. Gentner , P. Berto , J. -F. Berret , S. Reichman , R. Kuszelewicz , G. Tessier

Magnetic Resonance Imaging (MRI) can be considered one of the most effective techniques in both clinical diagnostic medical field and biomedicine, as it allows to obtain images anatomy of the body and its various parts and information…

Fluid Dynamics · Physics 2011-02-02 Stefania Nicolosi

Magnetic nanoparticles (MNPs) have excellent magnetic-temperature characteristic. However, current temperature measurement based on MNPs is interfered by concentration. Utilizing the electron spin resonance (ESR), we propose a highly…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 Shuai Wang , Jing Zhong , Wenzhong Liu

We present a quantum optical scheme for imaging transversely displaced thermal sources of arbitrary intensities by employing multiphoton interference with a reference single-photon Fock state at a beamsplitter. Obtaining an analytical form…

Quantum Physics · Physics 2026-02-24 Aiman Khan , Danilo Triggiani , Vincenzo Tamma

Nuclear magnetic resonance (NMR) at the single-molecule level with atomic resolution holds transformative potential for structural biology and surface chemistry. Near-surface solid-state spin sensors with optical readout ability offer a…

Quantum Physics · Physics 2025-12-12 Yu Chen , Qi Zhang , Yuanhong Teng , Chihang Luo , Zhijie Li , Jinpeng Liu , Ya Wang , Fazhan Shi , Jiangfeng Du

In non-destructive evaluation with X-rays light elements embedded in dense, heavy (or high-Z) matrices show little contrast and their structural details can hardly be revealed. Neutron radiography, on the other hand, provides a solution for…

Instrumentation and Detectors · Physics 2015-02-03 A. S. Tremsin , V. Dangendorf , K. Tittelmeier , B. Schillinger , M. Schulz , M. Lerche , W. B. Feller

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

Uncooled InfraRed (IR) detectors have enabled the rapid growth of thermal imaging applications. These detectors are predominantly bolometers, where the heating of pixel from incoming IR radiation is read out as a resistance change. Another…

Instrumentation and Detectors · Physics 2019-10-23 Ulas Adiyan , Tom Larsen , Juan Jose Zarate , Luis Guillermo Villanueva , Herbert Shea

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

Thermal equilibrium states are exponentially hard to distinguish at very low temperatures, making equilibrium quantum thermometry in this regime a formidable task. We present a thermometric scheme that circumvents this limitation, by using…

Quantum Physics · Physics 2021-10-07 Ivan Henao , Karen V. Hovhannisyan , Raam Uzdin

Precise measurement of temperature distribution and thermal behavior in microscopic regions is critical in many research fields. We demonstrate lock-in thermography using nitrogen-vacancy centers in diamond nanoparticles. We successfully…

Applied Physics · Physics 2022-12-16 Kensuke Ogawa , Moeta Tsukamoto , Kento Sasaki , Kensuke Kobayashi

In-situ characterization of minute amounts of complex fluids is a challenge. Magnetic Rotational Spectroscopy (MRS) with submicron probes offers flexibility and accuracy providing desired spatial and temporal resolution in characterization…

Materials Science · Physics 2015-03-19 Konstantin G. Kornev , Yu Gu , Pavel Aprelev , Alexander Tokarev

Dislocations in crystalline materials are widely exploited to tailor the thermal conductivity of semiconductors and thermoelectrics, yet a critical gap persists: direct measurement of local thermal resistance at individual buried…

Materials Science · Physics 2026-05-20 Ruilin Mao , Bingyao Liu , Jiaxin Liu , Xiaoyue Gao , Junping Luo , Fachen Liu , Ruochen Shi , Jiade Li , Jinlong Du , Peng Gao

Diffusion magnetic resonance imaging is a noninvasive imaging technique that can indirectly infer the microstructure of tissues and provide metrics which are subject to normal variability across subjects. Potentially abnormal values or…

Image and Video Processing · Electrical Eng. & Systems 2020-08-28 Samuel St-Jean , Max A. Viergever , Alexander Leemans

Surface Plasmon Resonance sensors are a well-established class of sensors which includes a very large variety of materials and detection schemes. However, the development of portable devices is still challenging as due to the intrinsic…

In this work we present measurements of permeability, effective porosity and tortuosity on a variety of rock samples using NMR/MRI of thermal and laser-polarized gas. Permeability and effective porosity are measured simultaneously using MRI…

Materials Science · Physics 2007-05-23 R. Wang , T. Pavlin , M. S. Rosen , R. W. Mair , D. G. Cory , R. L. Walsworth

Further development of nuclear power plant technology relies heavily on materials durability under operating conditions. Estimating the materials performance in the operando tests is crucial. In this paper, the mechanical behavior of thin…

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