English
Related papers

Related papers: Infrared thermal imaging camera to measure low tem…

200 papers

We present a wide-field homodyne imaging system capable of recovering intensity and phase images of an object from a single camera frame at an illumination intensity significantly below the noise floor of the camera. By interfering a weak…

Many thermal measurements in high magnetic fields require thermometers that are sensitive over a wide temperature range, are low mass, have a rapid thermal response, and have a minimal, easily correctable magnetoresistance. Here we report…

Materials Science · Physics 2023-11-08 N. A. Fortune , J. E. Palmer-Fortune , A. Trainer , A. Bangura , N. Kondedan , A. Rydh

The Low Frequency Instrument (LFI) is an array of cryogenically cooled radiometers on board the Planck satellite, designed to measure the temperature and polarization anisotropies of the cosmic microwave backgrond (CMB) at 30, 44 and 70…

Instrumentation and Methods for Astrophysics · Physics 2010-01-27 M. Tomasi , B. Cappellini , A. Gregorio , F. Colombo , M. Lapolla , L. Terenzi , G. Morgante , M. Bersanelli , R. C. Butler , S. Galeotta , N. Mandolesi , M. Maris , A. Mennella , L. Valenziano , A. Zacchei

Two-color (2C) pyrometry has long been used for flame temperature and soot concentration studies and is now becoming more widely used to measure surface temperatures of burning materials. With the obvious advantage of being a contact-free…

Applied Physics · Physics 2022-03-21 Tanja Pelzmann , Fabien Dupont , Benjamin Sauté , Étienne Robert

Estimation of thermal contact resistances between cylinders can be achieved using heating on the cross sections by a laser spot and measurement of the temperature response by IR thermography. This type of measurement makes it possible to…

Medical Physics · Physics 2025-11-25 Thomas Lahens , Alain Sommier , Marie-Marthe Groz , Jean-Christophe Batsale

Scanning Thermal Microscopy (SThM) has become an important measurement tool for characterizing the thermal properties of materials at the nanometer scale. This technique requires a SThM probe that combines an Atomic Force Microscopy (AFM)…

Mesoscale and Nanoscale Physics · Physics 2024-05-01 R. Swami , G. Julie , S. Le-Denmat , G. Pernot , D. Singhal , J. Paterson , J. Maire , J. F. Motte , N. Paillet , H. Guillou , S. Gomes , O. Bourgeois

We present the results of high precision measurements of the thermal expansion of the sintered SiC, SiC-100, intended for use in cryogenic space-telescopes, in which minimization of thermal deformation of the mirror is critical and precise…

We report on high-temperature sensing measurements using a tubular-lattice hollow-core photonic crystal fiber displaying a microstructure formed of eight 2.4 um-thick cladding tubes. The larger thickness of our fiber's cladding tubes…

Material thermal properties characterization at nanoscales remains a challenge even if progresses were done in developing specific characterization techniques like the Scanning Thermal Microscopy (SThM). In the present work, we propose a…

Applied Physics · Physics 2020-07-10 Gilles Pernot , Anas Metjari , Hadrien Chaynes , Mathieu Weber , Mykola Isaiev , David Lacroix

We have designed, constructed, and tested an InGaAs near-infrared camera to explore whether low-cost detectors can make small (<1 m) telescopes capable of precise (<1 mmag) infrared photometry of relatively bright targets. The camera is…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 Peter W. Sullivan , Bryce Croll , Robert A. Simcoe

Indoor tracking has all-pervasive applications beyond mere surveillance, for example in education, health monitoring, marketing, energy management and so on. Image and video based tracking systems are intrusive. Thermal array sensors on the…

Computer Vision and Pattern Recognition · Computer Science 2015-11-26 Chandrayee Basu , Anthony Rowe

Foot temperature profiling is of utmost importance is mitigating the adverse effects due to foot complications especially due to diabetes. Contactless temperature monitoring methods could be used effectively in large scale for patient…

Signal Processing · Electrical Eng. & Systems 2019-01-18 K. C. M. Madarasingha , W. N. D. Perera , A. M. A. I. Rathnayaka , H. P. Savindu , S. Jayasinghe , K. T. D. Kahaduwa , A. C. De Silva

Imaging applications in the terahertz (THz) frequency range are severely restricted by diffraction. Near-field scanning probe microscopy is commonly employed to enable mapping of the THz electromagnetic fields with sub-wavelength spatial…

Infrared (IR) imaging has become a viable tool for visualizing various chemical bonds in a specimen. The performance, however, is limited in terms of spatial resolution and imaging speed. Here, instead of measuring the loss of the IR beam,…

Optics · Physics 2018-11-20 Yeran Bai , Delong Zhang , Lu Lan , Yimin Huang , Kerry Maize , Ali Shakouri , Ji-Xin Cheng

In recent years, Neural Radiance Fields (NeRFs) have demonstrated significant potential in encoding highly-detailed 3D geometry and environmental appearance, positioning themselves as a promising alternative to traditional explicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Tianxiang Ye , Qi Wu , Junyuan Deng , Guoqing Liu , Liu Liu , Songpengcheng Xia , Liang Pang , Wenxian Yu , Ling Pei

We consider a far infrared (terahertz), room-temperature detector based on a microcantilever sensor of the radiation pressure. This system has a significantly higher sensitivity than existing uncooled detectors in the far infrared…

Instrumentation and Detectors · Physics 2007-05-23 Gennady P. Berman , Boris M. Chernobrod , Alan R. Bishop , Vyacheslav N. Gorshkov

We propose a method for measuring the temperature of fermionic atoms in an optical lattice potential from the intensity of the scattered light in the far-field diffraction pattern. We consider a single-component gas in a tightly-confined…

Quantum Gases · Physics 2009-10-24 J. Ruostekoski , C. J. Foot , A. B. Deb

In this paper we present a simple and efficient built-in temperature sensor for thermal monitoring of standard-cell based VLSI circuits. The proposed smart temperature sensor uses a ring-oscillator composed of complex gates instead of…

Hardware Architecture · Computer Science 2011-11-09 S. A. Bota , M. Rosales , J. L. Rossello , J. Segura

Quantifying temperature variations at the micron scale can provide new opportunities in optical sensing. In this paper, we present a novel approach using the temperature-dependent variations in fluorescence of rare-earth doped tellurite…

We introduce a new, highly sensitive, and simple heterodyne optical method for imaging individual non-fluorescent nano-objects. A two orders of magnitude improvement of the signal is achieved compared to previous methods. This allows for…

Other Condensed Matter · Physics 2007-05-23 Stephane Berciaud , Laurent Cognet , Gerhard Blab , Brahim Lounis