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

3. phase frequency E

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

11. frequency wavelength wavenumber

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

13. Hz Intensity 48 12 16

14. intensity

15. Emission Absorption source sample Fluorescence source sample Secondary emission

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

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