CHEM 515 Spectroscopy Lecture # 1.

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Presentation transcript:

CHEM 515 Spectroscopy Lecture # 1

Introduction to Spectroscopy What is “spectroscopy”? It is the science that studies the interaction between light (radiation) and matter (atoms or molecules). It concerns with: absorption, emission, or scattering. How spectroscopy is different from spectrometry?

Introduction to Spectroscopy Nature of electromagnetic (EM) radiation Electric component (E). It has the form of oscillating electric field. Magnetic component (H). It has the form of oscillating magnetic field.

Electromagnetic (EM) Radiation

Electromagnetic (EM) Radiation Wavelength (λ)

Electromagnetic (EM) Radiation

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