Raman spectroscopy

BhavanaKhobragade 186 views 8 slides Mar 28, 2021
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About This Presentation

Dr C V Raman Discover the phenomenon known as Raman Effect and for this discovery celebration we celebrate national science day


Slide Content

Raman
Spectroscopy
Bhavana P Khobragade
RDIK and NKD College Badnera

Sir Chandrashekhara Venkata Raman
November 7, 1888-November 21,
1970
Won the Noble Prize in 1930 for
Physics
Discovered the "Raman Effect"
Besides Discovering the Raman
Effect, He studied extensively in X-
Ray Diffractions, Acoustics, Optics,
Dielectrics, Ultrasonics, Photo
electricity, and colloidal particles.

What is Spectroscopy?
Thestudyofhow'species'(i.e.,atoms,
molecules,solutions)reacttolight.Some
studiesdependonhowmuchlightanatom
absorbs.Theelectromagneticradiation
absorbed,emittedorscatteredbythe
moleculeisanalyzed.Typically,abeam
ofradiationfromasourcesuchasalaser
ispassedthroughasample,andthe
radiationexitingthesampleismeasured.

Interaction of EMR with Matter
Elastic Non-elastic

E1
E0
V1
V2
V3
V4
Virtual
energy level
Stokes line
Anti-Stokes
line

Raman Shift for Diatomic Molecule
E
J

Thanks