1 Espalhamento Raman Introducao

Esta é uma pré-visualização de arquivo. Entre para ver o arquivo original

*
*
*
Espalhamento Raman
Introdução
*
*
*
*
*
*
Espalhamento de luz
http://www.andor.com/learn/applications/?docid=64
*
*
*
Modificação na freqüência
Freqüência
modificada
Freqüência
incidente
Freqüência
característica
do material
*
*
*
Espectro
http://commons.wikimedia.org/wiki/File:Raman_spectra_of_drugs.jpg
*
*
*
2TA(X)
Ac & opt. in S
2TO(X)
2TO(W)
2TO(L)
*
*
*
Os dois lados da moeda
http://www.smartec.ch/images/Scattering_spectra.gif
*
*
*
Esquema de níveis de energia
*
*
*
Montagem experimental típica
http://www.andor.com/learn/applications/?docid=64
*
*
*
Montagem experimental
*
*
*
Montagem experimental
http://spectra.phy.bris.ac.uk/Media/InVia%20anime.gif
*
*
*
Modelo do oscilador harmônico
http://131.104.156.23/Lectures/CHEM_207/vibrational_spectroscopy
*
*
*
Efeitos isotópicos
*
*
*
Spatial correlation model
*
*
*
Modos normais de vibração
Representation of two normal modes of benzene
http://mvl.chem.tu-berlin.de/ak_hildebrandt/hildebrandt/methods/VibrationalSpectroscopy.html
*
*
*
Plasmônica aplicada: SERS
http://www.ipht-jena.de/uploads/pics/sers-schema_425_03.jpg
Surface Enhanced Raman Scattering
*
*
*
Vencendo a difração
Nanotubos de carbono
*
*
*
Sofisticações: TERS
http://spie.org/Images/Graphics/Newsroom/Imported/426/426_fig2.jpg
Tip Enhanced Raman Scattering
*
*
*
Coherent Anti-Stokes Raman Scattering (CARS)
http://en.wikipedia.org/wiki/File:CARS_diagram.png
*
*
*
Raman ressonante
Real
*
*
*
Transições ópticas
http://hyperphysics.phy-astr.gsu.edu/HBASE/molecule/molec.html#c2
*
*
*
Raman optical activity (ROA)
Hen Lysozyme
http://www.chem.gla.ac.uk/staff/laurence/recent_roa_talk.ppt#259,13,Hen Lysozyme
*
*
*
Aplicações
Raman diagnostic tool detects eye disease
MEDICAL SPECTROSCOPY
http://www.laserfocusworld.com/display_article/119897/12/none/none/News/Raman-diagnostic-tool-detects-eye-disease
*
*
*
Aplicações
Raman studies may help predict bone fracture
SPECTROSCOPY
http://www.laserfocusworld.com/display_article/101870/12/none/none/News/Raman-studies-may-help-predict-bone-fracture
*
*
*
Aplicações
Raman scattering reveals macular pigment levels
MEDICAL SENSING
http://www.laserfocusworld.com/
*
*
*
Aplicações
Raman Spectrometer Probes the Deep 
More than two miles below the surface, a curious Pacific grenadier watches the Deep-Ocean Raman In Situ Spectrometer interrogate a pool of liquid CO2 on the sea floor. Courtesy of Peter G. Brewer. 
http://www.photonics.com/Content/ReadArticle.aspx?ArticleID=18402
*
*
*
Aplicações
Mobile Raman Targets Chemical Spills 
Researchers at Brookhaven National Laboratory have developed a mobile Raman spectroscopy system to remotely assess unknown chemical spills in emergency situations. The system uses 266-nm Raman lidar to target samples more than 1700 feet away. 
http://www.photonics.com/Content/ReadArticle.aspx?ArticleID=8282