Raman scattering
Time Resolved Study of the Surface Enhanced Raman Scattering Effect of Silver Nanoparticles Generated in Voltammetry Experiments
... Raman and UV/Vis spectroelectrochemistry provides a more detailed picture not only about the electrodeposition process but also about the SERS effect produced by the nanostructures formed on the electrode surface. ...
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Detection and identification of explosives by surface enhanced Raman scattering
... for the enhancement. In order to overcome this limitation, different ways to improve and control the interaction between molecules of analyte and metal surface have been studied. Interestingly, the deposition of the ...
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Automatic Identification of Raman Spectra
... man scattering is less widely used than infrared absorption, largely due to problems with sample degradation and ...of Raman spectroscopy to examine aqueous solutions, samples inside glass containers and ...
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Mezcla de cuatro ondas entre bombas en amplificadores de fibra Raman distribuidos
... In this work, a comprehensive mathematical model which rigorously describes the interaction between stimulated Raman scattering (SRS) and four-wave mixing (FWM) in distributed fiber Raman amplifiers ...
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Espectroscopía vibracional y espectroscopía vibracional aumentada por superficies de materiales de carbono: de nanotubos al grafito
... inelastic Raman scattering. In particular, Raman has been predominant in carbon studies due to the ability to achieve direct measurements with high spatial resolution through the use of Raman ...
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Quantitative Raman spectroelectrochemistry using silver screen printed electrodes
... enhanced Raman scattering (SERS) is a powerful technique based on the intensification of the Raman signal because of the interaction of a molecule with a nanostructured metal ...time-resolved ...
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Selective monitoring of oxyanion mixtures by a flow system with Raman detection
... intermediate Raman intensity regarding the nitrate bands of fertilizers 1 and ...the Raman intensity of the nitrate band (1049 cm −1 ) with the nitrate molar concentration (y = ...its Raman intensity ...
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Diseño del Perfil de Permitividad de una Guía de Onda Dieléctrica Plana Mediante el Método de Inverse Scattering
... de scattering que caracterizan las propiedades de propagaci´on de la gu´ıa y la funci´on de potencial q(x) se da por la teor´ıa de inverse scattering , y espec´ıficamente para el caso de la relaci´on que ...
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Espectroscopia Raman una alternativa en el diagnóstico clínico
... espectro Raman para cada tipo de molécula ...espectroscopia Raman tiene el potencial de proporcionar a los científicos con una biblioteca de espectros que pueden utilizarse para identificar la composición ...
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Espectroscopía Raman de nanotubos de carbono
... espectroscopía Raman resonante de SWNTCs [6] parece que pasa por llevar a cabo desarrollos teóricos que permitan explicar el comportamiento que experimentalmente presentan distintas familias (2n + m) de NTCs, e ...
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Acoustic scattering from superspheroidal objects
... symmetric scattering distribution, continues to dominate low frequency scattering even for cylindrically shaped, air-filled, objects with an aspect ratio up to α = ...frequency scattering from fish ...
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Ultrasonic Scattering Models for Cancellous Bone
... The first approach, proposed by Wear [27], consists in solving the differential propagation equations in the ambient fluid and in the scatterers, and then to use the appropriate boundary conditions at the interface ...
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Non destructive characterisation of the Elephant Moraine 83227 meteorite using confocal Raman, micro energy dispersive X ray fluorescence and Raman scanning electron microscope energy dispersive X ray microscopies
... the Raman instrument for the ESA Mission Exomars2018: Science support, equipment testing and operation support” ...thank Raman-LASPEA Laboratory from the SGIker (UPV/ EHU, MICINN, GV/EJ, ERDF and ESF) of ...
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Mathematical modeling of space time variation in acoustic transmission and scattering from schools of swim bladder fish
... In 1971, Holliday collected scattering data for several fish species in the Los Angeles Bight. (Holliday,1972) Schools were located using the ships hull-mounted sonar. The ship was positioned upwind of a school ...
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Caracterización de aleaciones semiconductoras por espectroscopía Raman.
... in Raman measure differs from the nominal values given by the manufacturer, which suggests possible losses in the evaporation process of the silicon or the excess of evaporation ...
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Evaluación de la capacidad de nanopartículas de plata modificadas con ácido mercatopropiónico para aumentar la intensidad y resolución espectral Raman de células HeLa
... espectroscopía Raman, ofrece una nueva posibilidad como herramienta diagnóstica capaz de detectar cambios fenotípicos a nivel ...espectroscopía Raman de superficie mejorada (SERS) para resolver y amplificar ...
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Study of 2D materials through raman spectroscopy
... Light absorption up to 3 eV occurs mostly along the T, T’ lines. There is some absorption at general points near the K(K’) point in the case of graphene [19]. The allowed processes for the electron-phonon ...
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Approximate determination of the maximum power stored in Stokes lines generated in silica fibers
... In this paper, we report a novel equation that predicts the maximum power stored in the first, second and subsequent generated Stokes Raman amplifier. Also, we report a simple equation that estimates the optical ...
6
Monitoring of air pollution and atmospheric parameters using a mobile backscatter lidar system
... measurements of suspended aerosol particles in the Planetary Boundary Layer (PBL) and the lower free troposphere (Figure 1). It is based on the second harmonic frequency of a compact pulsed Nd:YAG laser, which emits ...
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Estudio y Simulación de los efectos no lineales Scattering Estimulado de Brillouin (SBS) y Scattering Estimulado de Raman (SRS) en una Fibra Óptica Monomodo
... de scattering no lineales se originan a partir de grandes suministros de potencia, los mismos que han podido ser determinados en este trabajo, que alteran la estructura cristalina de la fibra óptica a través de ...
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