Relevant bibliographies by topics / Second order Raman

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Second order Raman'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Second order Raman"

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Sasaki, Yoshiro, and Chuji Horie. "Second-Order Raman Spectra of Nanostructures." Japanese Journal of Applied Physics 34, S1 (1995): 131. http://dx.doi.org/10.7567/jjaps.34s1.131.

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Litvinchuk, A. P., A. Möller, L. Debbichi, P. Krüger, M. N. Iliev, and M. M. Gospodinov. "Second-order Raman scattering in CuO." Journal of Physics: Condensed Matter 25, no. 10 (2013): 105402. http://dx.doi.org/10.1088/0953-8984/25/10/105402.

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Raptis, Y. S., E. Anastassakis, and G. Kanellis. "Second-order Raman scattering in AlSb." Physical Review B 46, no. 24 (1992): 15801–11. http://dx.doi.org/10.1103/physrevb.46.15801.

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Favron, Alexandre, Félix Antoine Goudreault, Vincent Gosselin, et al. "Second-Order Raman Scattering in Exfoliated Black Phosphorus." Nano Letters 18, no. 2 (2018): 1018–27. http://dx.doi.org/10.1021/acs.nanolett.7b04486.

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Cai Weiqi, 蔡伟琦, 黄朝红 Huang Chaohong, 许惠英 Xu Huiying, 蔡志平 Cai Zhiping, and 黄嘉福 Huang Jiafu. "Second-Order Approximate Solution of Cascaded Raman Lasers." Chinese Journal of Lasers 35, no. 10 (2008): 1449–54. http://dx.doi.org/10.3788/cjl20083510.1449.

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Lee, Young-Jae. "The second order Raman spectroscopy in carbon crystallinity." Journal of Nuclear Materials 325, no. 2-3 (2004): 174–79. http://dx.doi.org/10.1016/j.jnucmat.2003.12.005.

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Rho, H., S. L. Cooper, S. Nakatsuji, and Y. Maeno. "Second-order phase transition in : A Raman study." Journal of Magnetism and Magnetic Materials 310, no. 2 (2007): e266-e268. http://dx.doi.org/10.1016/j.jmmm.2006.10.351.

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Solozhenko, Vladimir L., Oleksandr O. Kurakevych, and Pierre Bouvier. "First and second-order Raman scattering of B6O." Journal of Raman Spectroscopy 40, no. 8 (2009): 1078–81. http://dx.doi.org/10.1002/jrs.2243.

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García-Cristóbal, A., A. Cantarero, C. Trallero-Giner, and M. Cardona. "Excitonic model for second-order resonant Raman scattering." Physical Review B 49, no. 19 (1994): 13430–45. http://dx.doi.org/10.1103/physrevb.49.13430.

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Semenova, L. E., and K. A. Prokhorov. "Theoretical treatment of the second-order Raman scattering." Laser Physics 17, no. 6 (2007): 824–30. http://dx.doi.org/10.1134/s1054660x07060072.

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Dissertations / Theses on the topic "Second order Raman"

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Santana, Marcos Cleison Silva. "Síntese e caracterização estrutural e magnética das perovskitas complexas ReFe0:5M0:5O3 (Re = Dy, Gd, Sm, Eu,Nd ; M= Mn,Al)." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/5280.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Samples of Bi 2Fe4O9 mullite and ReFe 0.5M0.5O3 (Re = Nd, Sm, Eu, Gd, Dy; M = Mn, Al) complex perovskites were successfully synthesized by using the combustion synthesis method. While the mullite was obtained after thermal treatment at temperatures below 1000ºC, complex perovskites are produced after thermal treatments between 1250ºC and 1500ºC for at most 24 h. The X-ray diffraction data analysis suggests the formation of single phase orthorhombic structure, after suitable heat treatment. Scanning electron microscopy (SEM) revealed the formation of micrometric grain size, giving to the sample the relative density. EDS spectra confirmed the homogeneity and purity of complex perovskites. Magnetization measurements as a function of field and temperature showed the diversity of magnetic behavior of the samples. Among the behaviors we can highlight the reorientation of spin for ortoferritas ReFe0.5Mn0.5O3 (Re = Dy, Gd, Eu, Sm, Eu) and ReFe0.5Al0.5O3 (Re = Dy, Nd). Another interesting finding was the effect of magnetic reversal of the samples ReFe0.5Al0.5O3 (Re = Nd, Gd) and EuFe0.5Mn0.5O3. Raman spectra show anomalous bands of second order in the perovskite DyFe0.5Al0.5O3 with characteristics of resonant effects. The evolution of the band associated with the symmetric vibrational mode of the octahedron shows hardening at the temperature range of ordered magnetic phase, thus suggesting a possible spin-phonon coupling. Depolarization current measurements highlights a relaxation process due to charge carriers in the samples ReFe0.5Mn0.5O3 (Re = Dy, Gd). The application of magnetic field profoundly influences the depolarization current behavior of DyFe0.5Mn0.5O3. Dielectric permittivity measurements showed no anomalies between 10 K and 300 K, that could can be associated to a ferroelectric phase.<br>Amostras da mulita Bi2Fe4O9 e das perovskitas complexas ReFe0.5M0.5O3 (Re= Nd, Sm, Eu, Gd, Dy; M = Mn, Al) foram sintetizadas com sucesso utilizando o método de síntese por reação de combustão. Enquanto a mulita foi obtida após tratamento térmico com temperaturas abaixo de 1000ºC, as perovskitas complexas foram produzidas após tratamentos térmicos entre 1250ºC e 1500ºC por, no máximo, 24 h. A análise de dados de difração de raios X sugerem a formação de estruturas ortorrômbicas de fase única, após os tratamento térmico apropriado. Medidas de microscopia evidenciaram formação de grãos micrométricos conferindo às amostras relativa densidade. Os espectros EDS confirmaram a homogeneidade e pureza das perovskitas complexas. As medidas de magnetização em função do campo e da temperatura evidenciaram a diversidade de comportamentos magnéticos das amostras estudadas. Entre os comportamentos destacamos reorientação de spin para as ortoferritas ReFe0.5Mn0.5O3 (Re = Dy, Gd, Eu, Sm, Eu) e ReFe0.5Al0.5O3 (Re = Dy,Nd). Outro interessante achado foi o efeito de inversão magnética das amostras ReFe0.5Al0.5O3 (Re = Nd, Gd) e EuFe0.5Mn0.5O3. Espectros Raman demonstram bandas anômalas de segunda ordem na perovskita DyFe0.5Al0.5O3 com características de efeitos ressonantes. A evolução da banda associada ao modo vibracional simétrico do octaedro apresenta endurecimento em temperaturas na faixa da fase magnética ordenada, sugerindo assim, um possível acoplamento spin-f onon. Medidas de corrente de despolarização destaca um processo de relaxação devido aos portadores de cargas nas amostras ReFe0.5Mn0.5O3 (Re=Dy,Gd). A aplicação de campo magnético influencia profundamente o comportamento da corrente de despolarização do DyFe0.5Mn0.5O3. Medidas de permissividade dielétrica não exibiram anomalias entre 10 K e 300 K que possam a ser associadas a uma fase ferroelétrica.
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Guignard, Marie. "Verres et vitrocéramiques infrarouges à base de chalcogénures pour l'optique non linéaire du second ordre." Phd thesis, Université Rennes 1, 2005. http://tel.archives-ouvertes.fr/tel-00011287.

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Les propriétés optiques non linéaires du second ordre ont été étudiées dans des matériaux vitreux à base de chalcogénures, dans le but de développer de nouveaux matériaux pour l'intégration dans des systèmes optiques. Un phénomène de génération de second harmonique a été observé dans des verres des systèmes Ge-In-S-CsI et Ge-(Ga,Sb)-S après un traitement de polarisation thermique. La rupture de l'anisotropie des verres, conduisant à une susceptibilité non linéaire d'ordre deux supérieure à 8 pm/V, a été mise en évidence à l'aide de la technique des franges de Maker.<br />Parallèlement, de nouveaux matériaux infrarouges ont été développés. Des vitrocéramiques transparentes dans le domaine infrarouge ont été synthétisées. Elles présentent une non linéarité d'ordre deux permanente, induite par la présence de micro-particules non-centrosymétriques dispersées aléatoirement dans la matrice vitreuse.
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Ménoret, Carole. "Ordre et désordre polaire dans le titanate de strontium : effets du champ électrique et des substitutions chimique et isotopique." Châtenay-Malabry, Ecole centrale de Paris, 2002. http://www.theses.fr/2002ECAP0886.

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Cette thèse vise à comprendre les états polaires induits dans le titanate de strontium sous l'effet d'un champ électrique et de substitutions chimique et isotopique. A basses températures, nos études par diffraction ont mis en évidence la phase quadratique ferroélastique non ferroélectrique caractéristique de SrTiO3 dans les composés faiblement dopés en baryum, calcium ou plomb, ainsi que dans SrTiO3 sous champ et dans SrTi18O3. Cependant, les mesures diélectriques, optiques et de diffusion Raman ont révélé des signatures traduisant la présence d'un ordre polaire local. Les études structurales du système Sr1xBaxTiO3 ont permis d'établir son diagramme de phase, qui se caractérise par l'existence d'une concentration critique en baryum xc le séparant en deux régions distinctes : une région (x<xc) présentant une transition de phase unique anti-ferrodistortive et une région (x>xc) présentant une succession de trois transitions de phases ferroélectriques.
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Derbazi, Maqboula. "Étude des caractéristiques Raman et optique non-linéaire des bronzes de tungstène quadratiques (A6M2M’8O30)." Thesis, Reims, 2013. http://www.theses.fr/2013REIMS041.

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Des recherches très importantes ont été dédiées à l'étude des composés ferroélectriques de type bronze de tungstène quadratique (TTB). Cette thèse concerne la synthèse et la caractérisation de 7 matériaux TTB de formule générale A6M2M'8O30 (A = Sr2+, Ba2+ ou Pb2+, M = Ti4+, Zr4+ ou HF4+; M' = Nb5+ ou Ta5+). Ces composés cristallins de grande taille ∼100 nm ont été synthétisés sous forme de poudre. Les moyennes expérimentales : diffractions des rayons X, spectroscopie Raman, la microscopie électronique MEB et MET, l'optique non linéaire ONL, ont permis d'établir des relations étroites entre structure et propriétés physiques. Les susceptibilités optiques non linéaires de 2eme et 3eme ordres, χ(2), χ(3) de chaque composés ont été déterminées et les valeurs résultantes du χ(3) ne montrent pas les mêmes caractéristiques que χ(2), car le signal de THG est moins dépendant de structure que SHG qui requiert un milieu non-centrosymétrique. Le décalage fréquentiel (Δσ) des modes de vibrations entre les structures à base de strontium(Sr) et celles à base de Barium(Ba) a été constaté afin d'identifier les signatures propres de ces composés. L'interprétation de ces poudres n'était pas facile car les pics sont très délicats. Nos mesures expérimentales montrent clairement que les positions des pics peuvent être modifiées par le changement cationique au sein des matériaux, plus la maille cristalline est rigide, plus on a des pics plus discernables. La différence est nettement visible là ou l'émission est autour de 808 cm-1 pour la structure (Sr), alors que pour le (Br) elle est autour de 780cm-1. Nous attribuons ce Δσ (28cm-1) à la transition de groupe de symétrie spatiale de Pba2 vers P4bm. L'ensemble des résultats décrits dans ce travail ont montrés la grande variété des paramètres sur lesquels il est possible d'agir afin d'optimiser les compositions en vue d'une application spécifique<br>Recently, very significant research has been devoted to the study of ferroelectric compounds of tetragonal tungsten bronze (TTB). This thesis deals with the synthesis and characterization of 7 TTB's material with general formula A6M2M'8O30 (A = Sr2+, Ba2+ or Pb2+, M = Ti4+, Zr4+ or HF4+, M '= Nb5+ or Ta5+). These crystalline compounds of large size ~ 100 nm were synthesized in powder form. The experimental Technics: X-ray diffraction, Raman spectroscopy, scanning electron microscopy SEM and TEM and nonlinear optics NLO, allowed us to establish close relationships between structure and physical properties. The nonlinear 2nd and 3rd order optical susceptibility χ(2), χ(3) of all compounds were determined and the resulting values of χ(3) did not show the same characteristics as measures of χ(2) because the THG signal is less dependent on the structure where SHG signal requires a non-centro-symmetric medium. The frequency shift between the vibration modes of structures containing strontium (Sr) and those based on Barium (Ba) has been detailed to identify signatures of these specific compounds. The interpretation of these powders wasn't that easy as these peaks are very delicate but our experimental results clearly show that the positions of the peaks can be modified by the change in cation materials, as long as the crystal lattice is more rigid, more we get discernible Raman modes. This difference is clearly visible where the emission is around 808 cm-1 for the structure Sr, whereas the Br it is centered around 780cm-1. We attribute these Δσ (28cm-1) to the transition of spatial symmetry group from Pba2 to P4bm. Results showed the wide variety of settings in which it is possible to act in order to optimize the compositions for a specific application
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Hung, Sheng-Ting, and 洪昇廷. "Relations Between Resonance Raman Spectra and The Second Order Optical Nonlinearity of Charge Transfer Chromophores." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/62053771156259280786.

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碩士<br>國立中山大學<br>物理學系研究所<br>91<br>The linear absorption spectrum and resonance Raman spectrum of a series of charge-transfer molecules in solution are measured. The results are fitted to theoretical expressions. The dispersion of the first hyper-polarizability is investigated by substituting the parameters, which are obtained from the fit. The results are compared with Wang''s formula modified from the simple Oudar and Chemla two-level model. The resonance Raman spectra and Raman profiles show that only one excited state exists in two of the charge-transfer molecules and two excited states are present in three other molecules investigated in this expeariment. It is concluded that Wang''s modified formula is only valid to account for the dispersion of the first hyperpolarizability when there is only one excited vibronic state.
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Goudreault, Félix Antoine. "Calculs numériques du spectre Raman double-résonant du phosphorène." Thèse, 2018. http://hdl.handle.net/1866/22208.

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Favron, Alexandre. "Photo-oxydation et spectroscopie Raman de couches minces de phosphore noir." Thèse, 2018. http://hdl.handle.net/1866/21756.

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Tshabalala, Oupa Samuel. "The development of FT-Raman techniques to quantify the hydrolysis of Cobalt (III) nitrophenylphosphate complexes using multivariate data analysis." Diss., 2007. http://hdl.handle.net/10500/23202.

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The FT-Raman techniques were developed to quantify reactions that follow on mixing aqueous solutions of bis-(1,3-diaminopropane)diaquacobalt( III) ion ([Co(tn)2(0H)(H20)]2+) and p-nitrophenylphosphate (PNPP). For the development and validation of the kinetic modelling technique, the well-studied inversion of sucrose was utilized. Rate constants and concentrations could be estimated using calibration solutions and modelling methods. It was found that the results obtained are comparable to literature values. Hence this technique could be further used for the [Co(tn)2(0H)(H20)]2+ assisted hydrolysis of PNPP. It was found that rate constants where the pH is maintained at 7.30 give results which differ from those where the pH is started at 7.30 and allowed to change during the reaction. The average rate constant for 2:1 ([Co(tn)2(0H)(H20)]2+:PNPP reactions was found to be approximately 3 x 104 times the unassisted PNPP hydrolysis rate.<br>Chemistry<br>M. Sc. (Chemistry)
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Books on the topic "Second order Raman"

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Saito, R., A. Jorio, J. Jiang, K. Sasaki, G. Dresselhaus, and M. S. Dresselhaus. Optical properties of carbon nanotubes and nanographene. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533053.013.1.

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This article examines the optical properties of single-wall carbon nanotubes (SWNTs) and nanographene. It begins with an overview of the shape of graphene and nanotubes, along wit the use of Raman spectroscopy to study the structure and exciton physics of SWNTs. It then considers the basic definition of a carbon nanotube and graphene, focusing on the crystal structure of graphene and the electronic structure of SWNTs, before describing the experimental setup for confocal resonance Raman spectroscopy. It also discusses the process of resonance Raman scattering, double-resonance Raman scattering, and the Raman signals of a SWNT as well as the dispersion behavior of second-order Raman modes, the doping effect on the Kohn anomaly of phonons, and the elastic scattering of electrons and photons. The article concludes with an analysis of excitons in SWNTs and outlines future directions for research.
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Book chapters on the topic "Second order Raman"

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Morita, K., K. M. Itoh, M. Nakajima, et al. "First- and Second-Order Raman Spectroscopy of 70Genn/76Genn Isotope Superlattices." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59484-7_416.

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Bartels, Albrecht, Thomas Dekorsy, and Heinrich Kurz. "Phonon-Pair combination states driven by second-order Raman scattering in KTa03." In Ultrafast Phenomena XII. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56546-5_122.

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Bloino, J., and M. Biczysko. "IR and Raman Spectroscopies beyond the Harmonic Approximation: The Second-Order Vibrational Perturbation Theory Formulation." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-12-409547-2.10931-x.

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Conference papers on the topic "Second order Raman"

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Leplingard, F., S. Borne, C. Martinelli, et al. "FWM-assisted Raman laser for second-order Raman pumping." In OFC 2003 - Optical Fiber Communication Conference and Exhibition. IEEE, 2003. http://dx.doi.org/10.1109/ofc.2003.315935.

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Ania-Castañón, Juan D. "Second-order distributed Raman amplification for quasi-lossless transmission." In Nonlinear Guided Waves and Their Applications. OSA, 2004. http://dx.doi.org/10.1364/nlgw.2004.mc13.

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Karasek, M., J. Radil, J. Vojtech, and D. Krcmarik. "Power Transients in Second Order Pumped Lumped Raman Fiber Amplifier." In OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference. IEEE, 2007. http://dx.doi.org/10.1109/ofc.2007.4348305.

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Tan, M., P. Rosa, Md A. Iqbal, et al. "RIN Mitigation in Second-Order Pumped Raman Fibre Laser Based Amplification." In Asia Communications and Photonics Conference. OSA, 2015. http://dx.doi.org/10.1364/acpc.2015.am2e.6.

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Iqbal, Md Asif, Mingming Tan, Atalla El-Taher, and Paul Harper. "RIN and transmission performance improvement using second order and broadband first order forward Raman pumping." In 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC). IEEE, 2017. http://dx.doi.org/10.1109/oecc.2017.8115030.

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Li, Jiaxiong, Jiangbing Du, Lin Ma, Ming-Jun Li, and Zuyuan He. "Second-Order Few-Mode Distributed Raman Amplifier for Mode-Division Multiplexing Transmission." In Optical Fiber Communication Conference. OSA, 2017. http://dx.doi.org/10.1364/ofc.2017.th4a.3.

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Bartels, A., T. Dekorsy, and H. Kurz. "Phonon-Pair combination states driven by second-order Raman scattering in KTaO3." In International Conference on Ultrafast Phenomena. OSA, 2000. http://dx.doi.org/10.1364/up.2000.tud3.

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Rizzelli, Giuseppe, Pedro Corredera-Guillen, and Juan Diego Ania-Castanon. "Reduced Polarisation-Dependent Gain RIN in Second-Order Ultralong Raman Laser Amplification." In 2018 European Conference on Optical Communication (ECOC). IEEE, 2018. http://dx.doi.org/10.1109/ecoc.2018.8535216.

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Kalyoncu, Salih K., Shiming Gao, En-Kuang Tien, et al. "Stability analysis of second order pulsed Raman laser in dispersion managed systems." In SPIE Optics + Optoelectronics, edited by Mario Bertolotti. SPIE, 2011. http://dx.doi.org/10.1117/12.889716.

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Dominic, Vince, Atul Mathur, and Mehrdad Ziari. "Second-order distributed Raman amplification with a high-power 1370 nm laser diode." In Optical Amplifiers and Their Applications. OSA, 2001. http://dx.doi.org/10.1364/oaa.2001.omc6.

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