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Related papers: Non steady-state thermometry with optical diffract…

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All optical nanothermometry has become a powerful, noninvasive tool for measuring nanoscale temperatures in applications ranging from medicine to nanooptics and solid-state nanodevices. The key features of any candidate nanothermometer are…

Optical photothermal microscopy is a powerful, emerging method that overcomes the diffraction limit in infrared hyperspectral imaging by utilizing a visible probe laser beam to detect local temperature-induced modulation at the visible…

We have developed a new all-optical method to directly measure the pressure-volume-temperature (PVT) equation of state (EOS) of fluids and transparent solids in the diamond anvil high pressure cell by measuring the volume of the sample…

Other Condensed Matter · Physics 2024-08-16 J. E. Proctor , C. E. A. Robertson , L. J. Jones , J. Phillips , K. Watson , Y. Dabburi , B. Moss

We present a novel illumination control technique for optical diffraction tomography (ODT). Various spatial frequencies of beam illumination were controlled by displaying time-averaged sinusoidal patterns using a digital micromirror device…

Biological Physics · Physics 2017-04-05 Kyeoreh Lee , Kyoohyun Kim , Geon Kim , Seungwoo Shin , YongKeun Park

The understanding of the formation and evolution of the solar system still has many unanswered questions. Formation of solids in the solar system, mineral and organic mixing, and planetary body creation are all topics of interest to the…

Earth and Planetary Astrophysics · Physics 2024-09-19 Christopher Cox , Jakob Haynes , Christopher Duffey , Christopher Bennett , Julie Brisset

This work demonstrates the potential of fiber optic sensors for measuring thermal effects in lithium-ion batteries, using a fiber optic measurement method of Optical Frequency Domain Reflectometry (OFDR). The innovative application of fiber…

This work combines the principles of the heat spreader method and imaging capability of the thermoreflectance measurements to measure the in-plane thermal conductivity of thin-films without the requirement of film suspension or multiple…

Applied Physics · Physics 2020-11-24 T. Zhu , D. H. Olson , P. E. Hopkins , M. Zebarjadi

Accurate parameters of molecular hot-band transitions, i.e., those starting from vibrationally excited levels, are needed to accurately model high-temperature spectra in astrophysics and combustion, yet laboratory spectra measured at high…

Thermography allows for the remote measurement of surface temperatures and is widely used for the identification of energy losses, damage detection or quality control. However, thermal imaging is strongly material dependent and therefore…

Instrumentation and Detectors · Physics 2020-12-22 Sebastian Fiedler , Roland Clauß , Hartmut Clauß , Stefan Knoblach

We present an innovative contactless method suitable to study in-plane thermal transport based on beam-offset frequency-domain thermoreflectance using a one-dimensional heat source with uniform power distribution. Using a one-dimensional…

Doppler-broadening thermometry (DBT) can be used as a calibration-free primary reference suitable for practical applications, e.g. reliably measuring temperatures over long periods of time in environments where sensor retrieval is…

Atomic Physics · Physics 2026-01-14 Nicola Agnew , Veronika Vohníková , Erling Riis , Graham Machin , Aidan S. Arnold

Three-dimensional molecular imaging of living cells is essential for unraveling cellular metabolism and response to therapies. However, existing volumetric methods, including fluorescence microscopy and quantitative phase imaging, either…

The local thermal conductivity (\k{appa}) is a pivotal biophysical parameter, governing intracellular heat flux and underlying functional processes like metabolic regulation and stress response. However, label-free mapping with sub-micron…

Biological Physics · Physics 2026-03-04 Jiahua Zhang , Yong Hou , Xinhao Hu , Yicheng Wang , Madoka Suzuki , Bo Gao , Zhiqin Chu

Cryogenic temperatures are the prerequisite for many advanced scientific applications and technologies. The accurate determination of temperature in this range and at the submicrometer scale is, however, nontrivial. This is due to the fact…

We propose granularity noise thermometry (GNT), a fluctuation-based optical thermometry scheme that exploits the intrinsic fluctuations of susceptibility arising from atomic discreteness. The power spectral density of transmitted light…

Atomic Physics · Physics 2026-05-19 Chen-Rong Liu , Yixuan Wang , Xiaowei Wang , Chuang Li , Mingti Zhou , Runxia Tao , Hongwei Chen , Ying Dong

The paper describes a dataset that was collected by infrared thermography, which is a non-contact, non-intrusive technique to collect data and analyze the built environment in various aspects. While most studies focus on the city and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Subin Lin , Vasantha Ramani , Miguel Martin , Pandarasamy Arjunan , Adrian Chong , Filip Biljecki , Marcel Ignatius , Kameshwar Poolla , Clayton Miller

A novel microfabricated, all-electrical measurement platform is presented for a direct, accurate and rapid determination of the thermal conductivity and diffusivity of liquid and solid materials. The measurement approach is based on the…

Vision processing on traditional architectures is inefficient due to energy-expensive off-chip data movement. Many researchers advocate pushing processing close to the sensor to substantially reduce data movement. However, continuous…

Signal Processing · Electrical Eng. & Systems 2020-01-07 Venkatesh Kodukula , Saad Katrawala , Britton Jones , Carole-Jean Wu , Robert LiKamWa

Long Wavelenght infrared devices, despite growing interest due to a wide range of applications in commercial, public, and academic sectors, are still struggling to achieve significant improvements over well-established technologies like…

In this study, we analyze the operational process of nanodiamond (ND) quantum thermometry based on wide-field detection of optically detected magnetic resonance (ODMR) of nitrogen vacancy centers, and compare its performance with that of…