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A major limitation of transient optical spectroscopy is that relatively high laser fluences are required to enable broadband, multichannel detection with acceptable signal-to-noise levels. Under typical experimental conditions, many…

Optics · Physics 2023-05-03 Siedah J. Hall , Peter J. Budden , Anne Zats , Matthew Y. Sfeir

The objective of this work is to investigate the coupling of fluid dynamics, heat transfer and mass transfer during the impact and evaporation of droplets on a heated solid substrate. A laser-based thermoreflectance method is used to…

Fluid Dynamics · Physics 2010-10-14 Rajneesh Bhardwaj , Jon P. Longtin , Daniel Attinger

The experimental - calculated method is proposed to determine the full energy peak efficiency (FEPE) of detectors {\epsilon}(E) in case a measurement of the large-volume samples. Water is used as standard absorber in which the linear…

Instrumentation and Detectors · Physics 2012-07-20 E. G. Tertyshnik , A. T. Korsakov

Effective water management is essential for the optimal performance of PEM fuel cells. We have developed an impedance model for liquid water transport through the membrane and coupled it with the two-phase model for cathode side impedance.…

Chemical Physics · Physics 2026-01-16 Andrei Kulikovsky , Tatyana Reshetenko

Outstanding optoelectronic properties and a facile synthesis render halide perovskite nanocrystals (NCs) a promising material for nanostructure-based devices. However, the commercialization is hindered mainly by the lack of NC stability…

Mesoscale and Nanoscale Physics · Physics 2022-09-26 Michèle G. Greiner , Andreas Singldinger , Nina A. Henke , Carola Lampe , Ulrich Leo , Moritz Gramlich , Alexander S. Urban

Plasmonic materials have got wide attention as a potential candidate for light driven catalysis of chemical conversions by harnessing solar energy to reduce the environmental issues generated by fossil fuels-based bulk chemical industries.…

Optics · Physics 2024-08-27 Mahadi Hasan , Mahamadu Tiah Mahama

An image fusion method based on salient features is proposed in this paper. In this work, we have concentrated on salient features of the image for fusion in order to preserve all relevant information contained in the input images and tried…

Computer Vision and Pattern Recognition · Computer Science 2013-12-06 Sourav Pramanik , Debotosh Bhattacharjee

We propose a water-immersed nucleobase-functionalized suspended graphene nanoribbon as an intrinsically selective device for nucleotide detection. The proposed sensing method combines Watson-Crick selective base pairing with graphene's…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Eugene Paulechka , Tsjerk A. Wassenaar , Kenneth Kroenlein , Andrei Kazakov , Alex Smolyanitsky

The photo-ferrioxalate system (PFS), [Fe(III)(C$_2$O$_4$)]$^{3-}$, more than an exact chemical actinometer, has been extensively applied in wastewater and environment treatment. Despite many experimental efforts to improve clarity,…

Chemical Physics · Physics 2023-08-10 Lan Nguyen Tran , Eric Neuscamman

Absorbed power of nanoparticles during magnetic hyperthermia can be well determined from changes in the quality factor ($Q$ factor) of a resonator, in which the radiofrequency (RF) absorbent is placed. We present an order of magnitude…

Applied Physics · Physics 2019-07-17 I. Gresits , Gy. Thuróczy , O. Sági , I. Homolya , G. Bagaméry , D. Gajári , M. Babos , P. Major , B. G. Márkus , F. Simon

In this paper, we investigate the adsorption of water monomer on fluorinated graphene using state-of-the-art first principles methods within the framework of density functional theory (DFT). Four different methods are employed to describe…

Materials Science · Physics 2018-11-28 Yong Yang , Fuchi Liu , Yoshiyuki Kawazoe

Heat transport is a fundamental property of all physical systems and can serve as a fingerprint identifying different states of matter. In a normal liquid a hot spot diffuses while in a superfluid heat propagates as a wave called second…

Mid-infrared photothermal microscopy is a new chemical imaging technology in which a visible beam senses the photothermal effect induced by a pulsed infrared laser. This technology provides infrared spectroscopic information at sub-micron…

Optics · Physics 2021-04-08 Yi Zhang , Haonan Zong , Cheng Zong , Yuying Tan , Meng Zhang , Yuewei Zhan , Ji-Xin Cheng

Determining of the solute mass amount in seawater using in situ measurements in seas and oceans remains now an unresolved problem. To solve it, it is necessary to develop both new methods and instruments for measurements. This article…

Instrumentation and Detectors · Physics 2021-12-21 Aleksandr N. Grekov , Nikolay A. Grekov , Evgeniy Sychov

The environmental corrosiveness is governed for indoor applications by the presence of gaseous pollutants in air and levels of temperature and relative humidity. Its determination is a challenging task and requires the monitoring of…

Materials Science · Physics 2020-10-16 I. El Masri , B. Lescop , P. Talbot , G. Nguyen Vien , J. Becker , D. Thierry , Stéphane Rioual

Soft sensors are crucial in bridging autonomous systems' physical and digital realms, enhancing sensor fusion and perception. Instead of deploying soft sensors on the Cloud, this study shift towards employing on-device soft sensors,…

Machine Learning · Computer Science 2024-10-15 Tianheng Ling , Chao Qian , Gregor Schiele

Molten salts are being used or explored for thermal energy storage and conversion systems in concentrating solar power and nuclear power plants. Thermal conductivity of molten salts is an important thermophysical property dictating the…

Laser sensing has a wide range of applications. In this paper, we propose a pH sensing laser with an ultra-low threshold and low sample consumption based on a whispering-gallery-mode microbubble resonator. Rhodamine 6G aqueous solutions…

Optics · Physics 2023-12-07 Yue Cao , Jin Dai , Xubiao Peng , Jiyang Ma , Qing Zhao

The growing interest in energy applications of molten salts is justified by several of their properties. Their possibilities of usage as a coolant, heat transfer fluid or heat storage substrate, require thermo-hydrodynamic refined…

Chemical Physics · Physics 2013-11-12 Roberto Serrano-López , Jordi Fradera , Santiago Cuesta-López

Monitoring frying oil degradation is critical for food safety, yet current practice relies on destructive wet-chemistry assays that provide no spatial information and are unsuitable for real-time use. We identify a fundamental obstacle in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Khaled R Ahmed , Toqi Tahamid Sarker , Taminul Islam , Tamany M Alanezi , Amer AbuGhazaleh