Lecture 5 An Introduction to Spectroscopy Electromagnetic radiation, electromagnetic wave Emission, absorption, fluorescence.

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Presentation transcript:

Lecture 5 An Introduction to Spectroscopy Electromagnetic radiation, electromagnetic wave Emission, absorption, fluorescence

phase frequency E

Energy (kJ/mol) Frequency(Hz) Wavelength (m) NMR ESR IR Raman UV-vis Vacuum UV X-ray spectroscopy

frequency wavelength wavenumber

Intensity, Absorbance, Transmittance Energy, frequency, wavenumber Wavelength Spectrum bands Lines

Hz Intensity

intensity

Emission Absorption source sample Fluorescence source sample Secondary emission

Light Source Sample Monochromator (filter, wavelength selector) Detector Spectrometer Data Processing

Light Source Sample Monochromator (filter, wavelength selector) Detector Spectrometer Data Processing