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Computational Fluorescence Suppression in Shifted Excitation Raman Spectroscopy
Nia C. Jenkins, Katjana Ehrlich, Andras Kufcsak, Stephanos Yerolatsitis, Susan Fernandes, Irene Young, Katie Hamilton, Harry A.C. Wood, Tom Quinn, Vikki Young, Ahsan R. Akram, James M. Stone, Robert R. Thomson, Keith Finlayson, Kevin Dhaliwal, Sohan Seth
Aug 31, 2023
Fiber-based Raman spectroscopy in the context of <italic>in vivo</italic> biomedical application suffers from the presence of background fluorescence from the surrounding tissue that might mask the crucial but...
A Raman spectroscopic study of uranyl minerals from Cornwall, UK
Richard Driscoll, Daniel Wolverson, J. M. Mitchels, Jonathan Skelton, Steve Parker, Marco Molinari, Imran Khan, D Geeson, G C Allen
Jan 01, 0001
In the fields of nuclear forensics, geology and environmental science, it is important to be able to rapidly identify an unknown sample of uranyl mineral. Raman spectroscopy provides a fast, non-destructive and portable strategy...
Coherent anti-Stokes Raman spectroscopy of single and multi-layer graphene.
A Virga, C Ferrante, G Batignani, D De Fazio, ADG Nunn, AC Ferrari, G Cerullo, T Scopigno
Jun 17, 2019
Spontaneous Raman spectroscopy is a powerful characterization tool for graphene research. Its extension to the coherent regime, despite the large nonlinear third-order susceptibility of graphene, has so far proven challenging....
Raman solitons in waveguides with simultaneous quadratic and Kerr nonlinearities
We analyze Raman-induced self-frequency shift in two-component solitons supported by both quadratic and cubic nonlinearities. Treating Raman terms as a perturbation, we derive expressions for soliton velocity and frequency...
Computational Fluorescence Suppression in Shifted Excitation Raman Spectroscopy
Nia C. Jenkins, Katjana Ehrlich, Andras Kufcsak, Stephanos Yerolatsitis, Susan Fernandes, Irene Young, Katie Hamilton, Harry A.C. Wood, Tom Quinn, Vikki Young, Ahsan R. Akram, James M. Stone, Robert R. Thomson, Keith Finlayson, Kevin Dhaliwal, Sohan Seth
Aug 31, 2023
Fiber-based Raman spectroscopy in the context of <italic>in vivo</italic> biomedical application suffers from the presence of background fluorescence from the surrounding tissue that might mask the crucial but...
A Raman spectroscopic study of uranyl minerals from Cornwall, UK
Richard Driscoll, Daniel Wolverson, J. M. Mitchels, Jonathan Skelton, Steve Parker, Marco Molinari, Imran Khan, D Geeson, G C Allen
Jan 01, 0001
In the fields of nuclear forensics, geology and environmental science, it is important to be able to rapidly identify an unknown sample of uranyl mineral. Raman spectroscopy provides a fast, non-destructive and portable strategy...
Raman solitons in waveguides with simultaneous quadratic and Kerr nonlinearities
We analyze Raman-induced self-frequency shift in two-component solitons supported by both quadratic and cubic nonlinearities. Treating Raman terms as a perturbation, we derive expressions for soliton velocity and frequency...
Measurement of filling-factor-dependent magnetophonon resonances in graphene using Raman spectroscopy.
Y Kim, JM Poumirol, A Lombardo, NG Kalugin, T Georgiou, YJ Kim, KS Novoselov, AC Ferrari, J Kono, O Kashuba, VI Fal'ko, D Smirnov
Nov 29, 2018
We perform polarization-resolved Raman spectroscopy on graphene in magnetic fields up to 45 T. This reveals a filling-factor-dependent, multicomponent anticrossing structure of the Raman G peak, resulting from magnetophonon...
Coherent anti-Stokes Raman spectroscopy of single and multi-layer graphene
A. Virga, C. Ferrante, G. Batignani, D. De Fazio, A. D. G. Nunn, A. C. Ferrari, G. Cerullo, T. Scopigno
Aug 13, 2020
Abstract: Spontaneous Raman spectroscopy is a powerful characterization tool for graphene research. Its extension to the coherent regime, despite the large nonlinear third-order susceptibility of graphene, has so far proven...
Spatial tracking of individual fluid dispersed particles via Raman spectroscopy.
Benjamin Thomas Hogan, Jennifer O'Dowd, Joaquin Faneca Ruedas, Alexander Baranov, Anna Baldycheva
Sep 01, 2021
We demonstrate a method for the spatial tracking of individual particles, dispersed in a fluid host, via Raman spectroscopy. The effect of moving a particle upon the intensity of different bands within its Raman spectrum is...
Spatial tracking of individual fluid dispersed particles via Raman spectroscopy
Benjamin Thomas Hogan, Jennifer O’Dowd, Joaquin Faneca Ruedas, Alexander Baranov, Anna Baldycheva
Sep 01, 2020
Abstract: We demonstrate a method for the spatial tracking of individual particles, dispersed in a fluid host, via Raman spectroscopy. The effect of moving a particle upon the intensity of different bands within its Raman...
1064 nm Dispersive Raman Microspectroscopy and Optical Trapping of Pharmaceutical Aerosols.
Raman spectroscopy is a powerful tool for investigating chemical composition. Coupling Raman spectroscopy with optical microscopy (Raman microspectroscopy) and optical trapping (Raman tweezers) allows microscopic length scales...
Raman micro-spectroscopy for accurate identification of primary human bronchial epithelial cells.
Jakub M Surmacki, Benjamin J Woodhams, Alexandria Haslehurst, Bruce AJ Ponder, Sarah E Bohndiek
Nov 05, 2018
Live cell Raman micro-spectroscopy is emerging as a promising bioanalytical technique for label-free discrimination of a range of different cell types (e.g. cancer cells and fibroblasts) and behaviors (e.g. apoptosis). The aim...
Correlative FLIM-confocal-Raman mapping applied to plant lignin composition and autofluorescence.
Fluorescence lifetime imaging microscopy (FLIM) is a useful tool for discriminating fluorescent moieties, based on photon lifetimes, that cannot be otherwise resolved by looking solely at their excitation/emission...
Solitons and frequency combs in silica microring resonators
The influence of Raman scattering and higher order dispersions on solitons and frequency comb generation in silica microring resonators is investigated. The Raman effect introduces a threshold value in the resonator quality...
Molecular Optomechanics Approach to Surface-Enhanced Raman Scattering.
ConspectusMolecular vibrations constitute one of the smallest mechanical oscillators available for micro-/nanoengineering. The energy and strength of molecular oscillations depend delicately on the attached specific functional...
Solitons and frequency combs in silica microring resonators
The influence of Raman scattering and higher order dispersions on solitons and frequency comb generation in silica microring resonators is investigated. The Raman effect introduces a threshold value in the resonator quality...
Automatic Identification of Individual Nanoplastics by Raman Spectroscopy Based on Machine Learning
Lifang Xie, Siheng Luo, Yangyang Liu, Xuejun Ruan, Kedong Gong, Qiuyue Ge, Kejian Li, Ventsislav Kolev Valev, Guokun Liu, Liwu Zhang
Nov 21, 2023
The increasing prevalence of nanoplastics in the environment underscores the need for effective detection and monitoring techniques. Current methods mainly focus on microplastics, while accurate identification of nanoplastics...
Automatic Identification of Individual Nanoplastics by Raman Spectroscopy Based on Machine Learning
Lifang Xie, Siheng Luo, Yangyang Liu, Xuejun Ruan, Kedong Gong, Qiuyue Ge, Kejian Li, Ventsislav Kolev Valev, Guokun Liu, Liwu Zhang
Nov 21, 2023
The increasing prevalence of nanoplastics in the environment underscores the need for effective detection and monitoring techniques. Current methods mainly focus on microplastics, while accurate identification of nanoplastics...
Resonant Raman spectroscopy of twisted multilayer graphene.
Jiang-Bin Wu, Xin Zhang, Mari Ijäs, Wen-Peng Han, Xiao-Fen Qiao, Xiao-Li Li, De-Sheng Jiang, Andrea C Ferrari, Ping-Heng Tan
Sep 05, 2018
Graphene and other two-dimensional crystals can be combined to form various hybrids and heterostructures, creating materials on demand with properties determined by the interlayer interaction. This is the case even for a single...
Raman spectroscopy as a versatile tool for studying the properties of graphene.
Raman spectroscopy is an integral part of graphene research. It is used to determine the number and orientation of layers, the quality and types of edge, and the effects of perturbations, such as electric and magnetic fields...
Characterization of Topical Film-Forming Systems Using Atomic Force Microscopy and Raman Microspectroscopy
Polymeric film-forming systems for dermal drug delivery represent an advantageous alternative to more conventional topically applied formulations. Their mechanical properties and homogeneity can be characterized with...
Raman spectra of monolayer, few-layer, and bulk ReSe<sub>2</sub>
Rhenium diselenide (ReSe2) is a layered indirect gap semiconductor for which micromechanical cleavage can produce monolayers consisting of a plane of rhenium atoms with selenium atoms above and below....
Raman spectroscopy of graphene under ultrafast laser excitation.
C Ferrante, A Virga, L Benfatto, M Martinati, D De Fazio, U Sassi, C Fasolato, AK Ott, P Postorino, D Yoon, G Cerullo, F Mauri, AC Ferrari, T Scopigno
Feb 15, 2018
The equilibrium optical phonons of graphene are well characterized in terms of anharmonicity and electron-phonon interactions; however, their non-equilibrium properties in the presence of hot charge carriers are still not fully...
Present and Future of Surface-Enhanced Raman Scattering.
Judith Langer, Dorleta Jimenez de Aberasturi, Javier Aizpurua, Ramon A Alvarez-Puebla, Baptiste Auguié, Jeremy J Baumberg, Guillermo C Bazan, Steven EJ Bell, Anja Boisen, Alexandre G Brolo, Jaebum Choo, Dana Cialla-May, Volker Deckert, Laura Fabris, Karen Faulds, F Javier García de Abajo, Royston Goodacre, Duncan Graham, Amanda J Haes, Christy L Haynes, Christian Huck, Tamitake Itoh, Mikael Käll, Janina Kneipp, Nicholas A Kotov, Hua Kuang, Eric C Le Ru, Hiang Kwee Lee, Jian-Feng Li, Xing Yi Ling, Stefan A Maier, Thomas Mayerhöfer, Martin Moskovits, Kei Murakoshi, Jwa-Min Nam, Shuming Nie, Yukihiro Ozaki, Isabel Pastoriza-Santos, Jorge Perez-Juste, Juergen Popp, Annemarie Pucci, Stephanie Reich, Bin Ren, George C Schatz, Timur Shegai, Sebastian Schlücker, Li-Lin Tay, K George Thomas, Zhong-Qun Tian, Richard P Van Duyne, Tuan Vo-Dinh, Yue Wang, Katherine A Willets, Chuanlai Xu, Hongxing Xu, Yikai Xu, Yuko S Yamamoto, Bing Zhao, Luis M Liz-Marzán
Sep 06, 2019
The discovery of the enhancement of Raman scattering by molecules adsorbed on nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical techniques. Significant experimental and theoretical effort...
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