Littérature scientifique sur le sujet « IR/THz simultaneous spectroscopy »
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Articles de revues sur le sujet "IR/THz simultaneous spectroscopy"
Chupas, Peter, Karena Chapman, Kevin Beyer, Olaf Borkiewicz et Haiyan Zhao. « Simultaneous infrared spectroscopy and X-ray PDF measurements ». Acta Crystallographica Section A Foundations and Advances 70, a1 (5 août 2014) : C1179. http://dx.doi.org/10.1107/s2053273314088202.
Texte intégralŚliwińska, Smolinski et Kucharski. « Simultaneous Analysis of Heavy Metal Concentration in Soil Samples ». Applied Sciences 9, no 21 (4 novembre 2019) : 4705. http://dx.doi.org/10.3390/app9214705.
Texte intégralPelletier, Isabelle, Christian Pellerin, D. Bruce Chase et John F. Rabolt. « New Developments in Planar Array Infrared Spectroscopy ». Applied Spectroscopy 59, no 2 (février 2005) : 156–63. http://dx.doi.org/10.1366/0003702053085043.
Texte intégralZhu, Qianqian, Rui Zhou, Jun Liu, Jianzhong Sun et Qianqian Wang. « Recent Progress on the Characterization of Cellulose Nanomaterials by Nanoscale Infrared Spectroscopy ». Nanomaterials 11, no 5 (20 mai 2021) : 1353. http://dx.doi.org/10.3390/nano11051353.
Texte intégralSullivan, David H., W. Curtis Conner et Michael P. Harold. « Surface Analysis with FT-IR Emission Spectroscopy ». Applied Spectroscopy 46, no 5 (mai 1992) : 811–18. http://dx.doi.org/10.1366/0003702924124844.
Texte intégralBeyer, Kevin A., Haiyan Zhao, Olaf J. Borkiewicz, Mark A. Newton, Peter J. Chupas et Karena W. Chapman. « Simultaneous diffuse reflection infrared spectroscopy and X-ray pair distribution function measurements ». Journal of Applied Crystallography 47, no 1 (7 décembre 2013) : 95–101. http://dx.doi.org/10.1107/s1600576713028410.
Texte intégralLiu, Kan-Zhi, R. Anthony Shaw, Angela Man, Thomas C. Dembinski et Henry H. Mantsch. « Reagent-free, Simultaneous Determination of Serum Cholesterol in HDL and LDL by Infrared Spectroscopy ». Clinical Chemistry 48, no 3 (1 mars 2002) : 499–506. http://dx.doi.org/10.1093/clinchem/48.3.499.
Texte intégralHazel, G., F. Bucholtz, I. D. Aggarwal, G. Nau et K. J. Ewing. « Multivariate Analysis of Mid-IR FT-IR Spectra of Hydrocarbon-Contaminated Wet Soils ». Applied Spectroscopy 51, no 7 (juillet 1997) : 984–89. http://dx.doi.org/10.1366/0003702971941359.
Texte intégralShaw, R. Anthony, Steven Kotowich, Michael Leroux et Henry H. Mantsch. « Multianalyte Serum Analysis Using Mid-Infrared Spectroscopy ». Annals of Clinical Biochemistry : International Journal of Laboratory Medicine 35, no 5 (septembre 1998) : 624–32. http://dx.doi.org/10.1177/000456329803500505.
Texte intégralManning, Christopher J., et Peter R. Griffiths. « Step-Scanning Interferometer with Digital Signal Processing ». Applied Spectroscopy 47, no 9 (septembre 1993) : 1345–49. http://dx.doi.org/10.1366/0003702934067630.
Texte intégralThèses sur le sujet "IR/THz simultaneous spectroscopy"
Tchana, betnga Wilfried. « Développement d'instrumentation pour une spectroscopie simultanée THz et IR : application à l'équilibre de HONO ». Electronic Thesis or Diss., Université Paris Cité, 2023. http://www.theses.fr/2023UNIP7134.
Texte intégralMeasuring trace gases having a notable impact on human health, climate and the stability of the ozone layer constitutes an extremely important challenge. In the coming years, new, higher sensitivity satellite instruments will improve atmospheric sounding only if the necessary spectral parameters are available. For some species of atmospheric interest such as nitrous acid (HONO) and hypobromous acid (HOBr), spectroscopic data are incomplete or almost non-existent. The challenge in this thesis is to get quantitative spectroscopic parameters for these species. To achieve this objective, an innovative instrumental set-up involving the simultaneous use of two instruments, an IR/THz dual beam experiment, has been built: a thermostatically controlled cell (200-350K) made of inert materials, glass and Teflon, capable of accommodating a 0.1-1.1 THz spectrometer and coupled to a high resolution (HR) Fourier Transform spectrometer (FTS) in the IR range. The THz spectrometer allows to select rotational lines of the target molecule for partial pressure determination, and the FTS enables simultaneous measurement of the rovibrational spectrum in an IR atmospheric window for quantification of the species of interest. The adopted strategy relies on the fact that the intensities of the rotational spectra simply depend on the permanent dipole moment of the molecule of interest, determined with high accuracy from Stark effect measurements. In the case of HONO, which only exists in laboratory conditions in the form of an equilibrium mixture with other species like H2O, NO and NO2, the lack of knowledge of the partial pressure in the gas mixture leads to serious difficulties for quantitative measurements. In addition, HONO exists in two conformer forms, and the height of the conformer barrier between cis- and trans-HONO DeltaCis-Trans is still poorly known, which affects lines positions and especially lines intensities. To improve the determination of the energy difference between the ground vibrational state of the cis- and trans-HONO conformers of HONO, high resolution spectra were recorded in the 50-200 cm-1 spectral region at three different temperatures (240, 270 and 296 K), using the synchrotron radiation of the AILES beamline at SOLEIL. Precise modelling has been performed and were used to determine the height of the conformer barrier DeltaCis-Trans = 95.8 ± 9.2 cm-1. Our value is in good agreement with the previous determination by Sironneau et al (99 ± 25 cm-1), but we have improved the accuracy of this determination by a factor of 2.6. We used this new value of DeltaCis-Trans and the dipole moment parameters for a synthetic spectrum calculation. A precise line list in the far-IR region (0 - 200 cm-1), including positions and absolute lines intensities was generated and, proved to be more robust for an improved detection of HONO in astrophysical objects. To determine absolute intensities in the mid-IR region where HONO is currently detected, simultaneous IR/THz spectra were recorded at LISA using innovative instrumentation developed during this thesis. A first modelling of these spectra is presented in this thesis, and in fine will lead to a much more precise line list for HONO in the 730 - 920 cm-1 region, which will be provided to the scientific community via the HITRAN and GEISA databases and used in the analysis of satellite observations. Regarding HOBr, the aim will be to generate a spectroscopic database in the IR region around 8.6 um, to be used by IASI-NG and FORUM for detection and quantification in the Earth's atmosphere. HOBr plays an important role in atmospheric chemistry and, only exists in laboratory conditions in a mixture characterized by chemical equilibrium: H2O + Br2O = 2(HOBr). The methodology and experimental tools developed during this thesis will be an advantage for implementation of this project, which constitutes the outlook for this work
Pezzotti, Simone. « DFT-MD simulations and theoretical SFG spectroscopy to characterize H-Bonded networks at aqueous interfaces : from hydrophobic to hydrophilic environments Structural definition of the BIL and DL : a new universal methodology to rationalize non-linear χ(2)(ω) SFG signals at charged interfaces, including χ(3)(ω) contributions What the Diffuse Layer (DL) Reveals in Non-Linear SFG Spectroscopy 2D H-Bond Network as the Topmost Skin to the Air-Water Interface Combining ab-initio and classical molecular dynamics simulations to unravel the structure of the 2D-HB-network at the air-water interface 2D-HB-Network at the air-water interface : A structural and dynamical characterization by means of ab initio and classical molecular dynamics simulations Spectroscopic BIL-SFG Invariance Hides the Chaotropic Effect of Protons at the Air-Water Interface Molecular hydrophobicity at a macroscopically hydrophilic surface Graph theory for automatic structural recognition in molecular dynamics simulations DFT-MD of the (110)-Co3O4 cobalt oxide semiconductor in contact with liquid water, preliminary chemical and physical insights into the electrochemical environment ». Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLE008.
Texte intégralImproving our knowledge on water H-Bonded networks formed in the special environment offered by an interface is pivotal for our understanding of many natural phenomena and technological applications. To reveal the interfacial water arrangement, techniques able to provide detailed microscopic information selectively for the interfacial layer are required. In the present thesis work, we have hence investigated aqueous interfaces at the molecular level, by coupling theoretical modeling from DFT-MD simulations with SFG & THz-IR spectroscopies. By developing new investigation protocols/tools, coupling DFT-MD simulations and SFG spectroscopy, in particular for the more complex rationalization of charged interfaces, we have provided a global comprehension of the effect of various interfacial conditions (hydrophilicity, pH, ionic strength) on the HB-Network formed in the interfacial layer (BIL), on its spectroscopic signatures and on its impact on physico-chemical properties. We have shown for the first time that, in sufficiently hydrophobic conditions, BIL interfacial water creates special 2-Dimensional HB-Networks, experimentally revealed by one specific THz-IR marker band. Such 2D-network dictates HBs and orientational dynamics of interfacial water, surface potential, surface acidity, water surface tension and thermodynamics of hydration of hydrophobic solutes. Such "horizontal ordering” of water at hydrophobic interfaces is found opposite to the “vertical ordering” of water at hydrophilic interfaces, while coexistence of the two orders leads to disordered interfacial water in intermediate hydrophilic/hydrophobic conditions. Both DFT-MD and SFG further revealed how ions & pH conditions alter these BIL-water orders
Garet, Frédéric. « Génération optoélectronique d'impulsions électromagnétiques ultra-courtes : application à la spectroscopie THz ». Grenoble INPG, 1997. http://www.theses.fr/1997INPG0175.
Texte intégralLin, Wei-Chen, et 林威呈. « A new approach for simultaneous characterization of the material's permittivity and permeability by THz time-domain spectroscopy ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/39400506040474816320.
Texte intégralChapitres de livres sur le sujet "IR/THz simultaneous spectroscopy"
Vittone, A., C. Rossi, E. Covino et F. Giovannelli. « High S/N simultaneous optical and IR spectrophotometric observations of Herbig Ae/Be stars ». Dans The Impact of Very High S/N Spectroscopy on Stellar Physics, 109–15. Dordrecht : Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2937-1_20.
Texte intégralRaghavendra Babu, N., Malothu Narender, Y. Padmavathi, A. Narmada et P. Ravi Kumar. « A Novel Fourier Transform Infrared Spectrophotometric Method for Quantitative Analysis of Irbesartan and Hydrochlorthiazide in Fixed Dose Formulations ». Dans Current Trends in Drug Discovery, Development and Delivery (CTD4-2022), 268–82. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837671090-00268.
Texte intégralBrovko, Oleksandr O., Natalia V. Yarova, Tetiana F. Samoilenko et Larysa M. Yashchenko. « Mutual sensibilization in epoxyacrylate interpenetrating polymer networks ». Dans NEW FUNCTIONAL SUBSTANCES AND MATERIALS FOR CHEMICAL ENGINEERING, 149–58. PH “Akademperiodyka”, 2021. http://dx.doi.org/10.15407/akademperiodyka.444.149.
Texte intégralKumar Mitra, Rajib, et Dipak Kumar Palit. « Probing Biological Water Using Terahertz Absorption Spectroscopy ». Dans Terahertz Technology [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97603.
Texte intégralActes de conférences sur le sujet "IR/THz simultaneous spectroscopy"
Vasilyev, Sergey, Mike Mirov, Sergey Mirov et Konstantin Vodopyanov. « Video-Rate Broadband Longwave IR Dual-Comb Spectroscopy with Cr:ZnS lasers ». Dans Applied Industrial Spectroscopy. Washington, D.C. : Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ais.2023.jth3a.1.
Texte intégralCristescu, S. M., K. E. Jahromi, A. Khodabakhsh, V. Bosman, F. J. M. Harren, M. K. Dasa, E. Rokx, H. Martin et M. Nematollahi. « Volatiles detection using broadband mid-IR spectroscopy : from a research idea to application in fruit storage facilities ». Dans Applied Industrial Spectroscopy. Washington, D.C. : Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ais.2023.atu5a.2.
Texte intégralLo, Michael K. F., Jay Anderson, Eoghan P. Dillon, Mustafa Kansiz et Curtis A. Marcott. « Submicron Noncontact Simultaneous Infrared and Raman Spectroscopy for Challenging Failure Analysis ». Dans ISTFA 2021. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.istfa2021p0196.
Texte intégralAnderson, Jay, Mustafa Kansiz, Michael Lo et Curtis Marcott. « Submicron Simultaneous IR and Raman Spectroscopy (IR+Raman) : Breakthrough Developments in Optical Photothermal IR (O-PTIR) Combined for Enhanced Failure Analysis ». Dans ISTFA 2019. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.istfa2019p0292.
Texte intégralHojer, S., H. Ahlberg, S. Lundqvist, J. Davidsson et L. Holmlid. « IR Tunable Diode Laser Absorption Spectroscopy in an no Seeded Molecular Beam ». Dans Laser Applications to Chemical Analysis. Washington, D.C. : Optica Publishing Group, 1987. http://dx.doi.org/10.1364/laca.1987.tha4.
Texte intégralWeeks, Reagan R. D., Ryan T. Rhoades, Seth E. Erickson, Sivanandan S. Harilal, Mark C. Phillips et R. Jason Jones. « Multi-Wavelength Dual-Comb Spectroscopy of Laser-Produced Plasmas in the Near-IR ». Dans CLEO : Science and Innovations. Washington, D.C. : Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_si.2022.sm3f.4.
Texte intégralShaw, R. A., U. I. Tuor, T. Foniok, S. Bascaramurty, K. Ringland, E. McKenzie, M. Qiao, B. Tomanek et H. H. Mantsch. « Simultaneous Near-IR Spectroscopy and Magnetic Resonance Imaging to Assess Cerebral Oxygenation and Brain Water during Hypoxia-Ischemia in 2-week-old Rats ». Dans European Conference on Biomedical Optics. Washington, D.C. : Optica Publishing Group, 2001. http://dx.doi.org/10.1364/ecbo.2001.4432_57.
Texte intégralJay Anderson, D., Mustafa Kansiz, Michael Lo, Eoghan Dillon et Curtis Marcott. « Enhanced Failure Analysis (FA) of Organic Contamination Using Submicron Simultaneous IR and Raman Spectroscopy : Breakthrough Developments of Optical Photothermal IR (O-PTIR) ». Dans ISTFA 2020. ASM International, 2020. http://dx.doi.org/10.31399/asm.cp.istfa2020p0075.
Texte intégralPal, Mithun, Nancy Faßheber, Andreas Petersen, Franko Greiner et Gernot Friedrichs. « Optical detection of C4H2 in an Ar/C2H2 dusty plasma using mid-IR ICL-based frequency modulation spectroscopy ». Dans Optical Sensors. Washington, D.C. : Optica Publishing Group, 2023. http://dx.doi.org/10.1364/sensors.2023.stu2d.7.
Texte intégralGoldstein, Neil, Brian Gregor, Jamine Lee, Stephen K. Kramer, Stuart Kozola et Kenneth J. Semega. « IR Structured Emission-Based Speciation, Thermometry, and Tomography of CO and H2O in High-Pressure Combustors ». Dans ASME Turbo Expo 2006 : Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90899.
Texte intégralRapports d'organisations sur le sujet "IR/THz simultaneous spectroscopy"
Agassi, Menahem, Michael J. Singer, Eyal Ben-Dor, Naftaly Goldshleger, Donald Rundquist, Dan Blumberg et Yoram Benyamini. Developing Remote Sensing Based-Techniques for the Evaluation of Soil Infiltration Rate and Surface Roughness. United States Department of Agriculture, novembre 2001. http://dx.doi.org/10.32747/2001.7586479.bard.
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