Academic literature on the topic 'Ratiometric temperature measurement'

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Journal articles on the topic "Ratiometric temperature measurement"

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Mucignat, Claudio, Thomas Rösgen, and Ivan Lunati. "LIF Thermometry With A sCMOS Color Camera And Multiple Dyes." Proceedings of the International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics 21 (July 8, 2024): 1–14. http://dx.doi.org/10.55037/lxlaser.21st.162.

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We propose a method to perform accurate temperature measurements by means of Laser Induced Fluorescence (LIF). We use a sCMOS color camera and a 2-dye solution based on RuPhen, excited in the blue part of the visible spectrum. By changing the relative concentration of the dyes we can manipulate the color channels temperature sensitivity, which allows us to apply a laser power correction which is robust and less affected by image noise compared to convectional ratiometric approaches. Another advantage is that the overall temperature sensitivity is only partially reduces compared to the one of R
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Antić, Željka, K. Prashanthi, Sanja Kuzman, et al. "Ratiometric temperature measurement using negative thermal quenching of intrinsic BiFeO3 semiconductor nanoparticles." RSC Adv. 10 (April 15, 2020): 16982. https://doi.org/10.5281/zenodo.3900972.

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Manuscript published in the Open Access Journal: Željka Antić, K. Prashanthi, Sanja Kuzman, Jovana Peri&scaron;a, Zoran Ristić, V. R. Palkarc and Miroslav D. Dramićanin, Ratiometric temperature measurement using negative thermal quenching of intrinsic BiFeO<sub>3</sub> semiconductor nanoparticles, RSC Adv., 2020, 10, 16982. https://doi.org/10.1039/D0RA01896A A strategy for optical nanothermometry using the negative thermal quenching behavior of intrinsic BiFeO3 semiconductor nanoparticles has been reported here. X-ray diffraction measurement shows polycrystalline BiFeO3 nanoparticles with a rh
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XIN, Shi-jie, and Lei DING. "High-precision multi-reference ratiometric temperature measurement system." Optics and Precision Engineering 29, no. 5 (2021): 1115–26. http://dx.doi.org/10.37188/ope.20212905.1115.

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Li, Leipeng, Feng Qin, Yangdong Zheng, and Zhiguo Zhang. "Strategy for highly sensitive optical ratiometric temperature measurement." Optical Materials Express 9, no. 8 (2019): 3260. http://dx.doi.org/10.1364/ome.9.003260.

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Antić, Željka, K. Prashanthi, Sanja Kuzman, et al. "Ratiometric temperature measurement using negative thermal quenching of intrinsic BiFeO3 semiconductor nanoparticles." RSC Advances 10, no. 29 (2020): 16982–86. http://dx.doi.org/10.1039/d0ra01896a.

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Negative thermal quenching of intrinsic BiFeO<sub>3</sub> semiconductor nanoparticles for ratiometric luminescence thermometry with 2.5% K<sup>−1</sup> relative sensitivity and 0.2 K temperature resolution.
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Ćirić, Aleksandar, Jelena Aleksić, Tanja Barudžija, et al. "Comparison of Three Ratiometric Temperature Readings from the Er3+ Upconversion Emission." Nanomaterials 10, no. 4 (2020): 627. http://dx.doi.org/10.3390/nano10040627.

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The emission of Er3+ provides three combinations of emission bands suitable for ratiometric luminescence thermometry. Two combinations utilize ratios of visible emissions (2H11/2→4I15/2 at 523 nm/ 4S3/2→4I15/2 at 542 nm and 4F7/2→4I15/2 at 485 nm/ 4S3/2→4I15/2 at 545 nm), while emissions from the third combination are located in near-infrared, e.g., in the first biological window (2H11/2→4I13/2 at 793 nm/ 4S3/2→4I13/2 at 840 nm). Herein, we aimed to compare thermometric performances of these three different ratiometric readouts on account of their relative sensitivities, resolutions, and repea
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Kashanj, Sina, and David Nobes. "Enhancing Sensitivity And Quantifying Uncertainty Of Volumetric Two-Colour Two-Dye Laser-Induced Fluorescence Thermometry Of Aqueous Solutions." Proceedings of the International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics 21 (July 8, 2024): 1–9. http://dx.doi.org/10.55037/lxlaser.21st.137.

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Laser-induced fluorescence (LIF) is a nonintrusive method for temperature field measurement in gaseous and liquid flow fields. There has been attempts to enhance the temperature sensitivity of this method mainly by applying two fluorescent dyes with opposite temperature sensitivity. While there has been advances in enhancing the temperature sensitivity of LIF thermometry in aqueous solutions, there factors that limits the enhancement of the temperature sensitivity. This work explores the factors that restricting the temperature sensitivity in the ratiometric systems using Fluorescein and Kiton
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Kamimura, Masao, Taiki Matsumoto, Satoru Suyari, Masakazu Umezawa та Kohei Soga. "Ratiometric near-infrared fluorescence nanothermometry in the OTN-NIR (NIR II/III) biological window based on rare-earth doped β-NaYF4 nanoparticles". Journal of Materials Chemistry B 5, № 10 (2017): 1917–25. http://dx.doi.org/10.1039/c7tb00070g.

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Li, Hao, Esmaeil Heydari, Yinyan Li, et al. "Multi-Mode Lanthanide-Doped Ratiometric Luminescent Nanothermometer for Near-Infrared Imaging within Biological Windows." Nanomaterials 13, no. 1 (2023): 219. http://dx.doi.org/10.3390/nano13010219.

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Owing to its high reliability and accuracy, the ratiometric luminescent thermometer can provide non-contact and fast temperature measurements. In particular, the nanomaterials doped with lanthanide ions can achieve multi-mode luminescence and temperature measurement by modifying the type of doped ions and excitation light source. The better penetration of the near-infrared (NIR) photons can assist bio-imaging and replace thermal vision cameras for photothermal imaging. In this work, we prepared core–shell cubic phase nanomaterials doped with lanthanide ions, with Ba2LuF7 doped with Er3+/Yb3+/N
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Ćirić, Aleksandar, Jelena Aleksić, Tanja Barudžija, et al. "Comparison of Three Ratiometric Temperature Readings from the Er3+ Upconversion Emission." Nanomaterials 10, no. 4 (2020): 627. https://doi.org/10.5281/zenodo.3899751.

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Manuscript published in the Open Access Journal: Ćirić, A.; Aleksić, J.; Barudžija, T.; Antić, Ž.; Đorđević, V.; Medić, M.; Peri&scaron;a, J.; Zeković, I.; Mitrić, M.; Dramićanin, M.D. Comparison of Three Ratiometric Temperature Readings from the Er<sup>3+</sup> Upconversion Emission. Nanomaterials 2020, 10, 627; https://doi.org/10.3390/nano10040627 This article belongs to the Special Issue Luminescent Rare-Earth-Based Nanomaterials The emission of Er3+ provides three combinations of emission bands suitable for ratiometric luminescence thermometry. Two combinations utilize ratios of visible em
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Dissertations / Theses on the topic "Ratiometric temperature measurement"

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Lee, Heon Ju. "Application of a ratiometric laser induced fluorescence (LIF) thermometry for micro-scale temperature measurement for natural convection flows." Texas A&M University, 2003. http://hdl.handle.net/1969.1/1128.

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A ratiometric laser induced fluorescence (LIF) thermometry applied to micro-scale temperature measurement for natural convection flows. To eliminate incident light non-uniformity and imperfection of recording device, two fluorescence dyes are used: one is temperature sensitive fluorescence dye (Rhodamine B) and another is relatively temperature insensitive fluorescence dye (Rhodamine 110). Accurate and elaborate calibration for intensity ratio verses temperature obtained using an isothermal cuvette, which was controlled by two thermo-bathes. 488nm Ar-ion laser used for incident light and two f
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Heronemus, Seth M. "Thermometry of flow fields using a two-color ratiometric PLIF technique." Thesis, 2018. http://hdl.handle.net/2097/39289.

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Master of Science<br>Department of Mechanical and Nuclear Engineering<br>Steven Eckels<br>In this thesis, a two-color ratiometric planar laser-induced fluorescence (PLIF) technique for the measurement of temperature fields in liquids is described. The method uses the temperature sensitive rhodamine B and temperature insensitive rhodamine 110 fluorescent dyes. The ratio of the fluorescent emission intensity of these two dyes is inversely proportional to temperature and is independent of laser intensity variation in the flow field. Because the emission spectra of these two dyes overlap, a corr
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Conference papers on the topic "Ratiometric temperature measurement"

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Nam, S. W. "A Ratiometric Method for Johnson Noise Thermometry Using a Quantized Voltage Noise Source." In TEMPERATURE: Its Measurement and Control in Science and Industry; Volume VII; Eighth Temperature Symposium. AIP, 2003. http://dx.doi.org/10.1063/1.1627097.

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Chamarthy, Pramod, Steven T. Wereley, and Suresh V. Garimella. "Microscale Laser-Induced Fluorescence Method for Non-Intrusive Temperature Measurement." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41935.

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Ratiometric Laser Induced Fluorescence (LIF) Thermometry is applied for temperature measurements in a ‘T’ junction, using microscale visualization methods. Rhodamine B (RhB) and Rhodamine 110 (Rh110) are used as the temperature-dependent and temperature-independent dye, respectively. The temperature responses of the two dyes were carefully measured for different concentrations. A novel normalization procedure for the calibration curve is proposed to render the technique system-independent. The mixing plane between a hot and a cold fluid stream for three different temperatures and three differe
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Jeong, Dong Woon, Chi Young Lee, and Sang Yong Lee. "Measurement of Fluid Temperature Across Micro-Scale Gap Using 2-Color Ratiometric LIF Technique in Combination With Confocal Microscopy." In ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2007. http://dx.doi.org/10.1115/icnmm2007-30124.

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In the present work, for non-invasive measurement of the liquid temperature in microchannels the 2-color ratiometric Laser-Induced Fluorescence (LIF) technique was improved by adopting the confocal microscopy. By using this technique, the fluorescent light from the tiny volume around a focusing spot can be selectively detected, and it enables us to measure the local liquid temperatures even at the close vicinity of the walls. To check the general performance of this method, as the preliminary stage, a test section consists of two horizontal plates in different temperatures, separated by a narr
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Fron, Damien J., Alptekin Aksan, and John J. McGrath. "Ratiometric Laser-Induced Fluorescence (LIF) Thermography of Radiofrequency Heated Tissue Phantoms." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32353.

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A ratiometric laser-induced fluorescence (LIF) thermographic method has been developed to quantify the temperature fields associated with radiofrequency (RF) heating probes used to treat joint instabilities associated with the shoulder, knee, and ankle. Accurate temperature field measurements in tissue phantoms represent invaluable data for the purpose of developing and verifying computer models of tissue heating. Measuring temperature fields associated with RF probe heating in physiological environments poses problems for traditional methods. Thermocouples, infrared thermometry and fluoroptic
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Sonnenfroh, David M., and Mark G. Allen. "Diode Laser Absorption Spectroscopy of Combustion Gases Near 1.57 Microns." In Laser Applications to Chemical and Environmental Analysis. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/lacea.1996.lwa.5.

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Sensors for rapid, in-situ measurements of hydrocarbon combustion intermediates and products are required for applications ranging from advanced combustor testing to aeropropulsion engine health monitoring. Recent developments in room temperature diode laser technology and sensitive detection strategies now permit development of a new class of combustion sensors for simultaneous measurements of the speciation of the combustion gases as well as gasdynamic performance parameters of interest, including temperature, velocity, and mass flux.1,2 This work focusses on absorption measurements of CO, C
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Elliott, Gloria D., Justin Azadivar, and Mehmet Toner. "Microscale Resolution of Moisture Content in Dried Sugar Matrices." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43212.

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Currently many methods of drying are under investigation for the anhydrous preservation of mammalian cells, including convective drying (Bhowmick et al., 2003), vacuum drying (Elliott et al., 2002), room temperature desiccation cabinet drying (Acker et al., 2002), and freeze-drying (Wolkers et al., 2001). Independent of the drying method, cells are typically in an aqueous suspension at the onset. Generally the change in ‘system’ weight (cells and extracellular solution) is measured gravimetrically and this moisture loss in the system is assumed to equate to the loss of moisture within the susp
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