Lecture 10

Vibrational Spectroscopy II:

Instrumentation

Harris Ch. 20

Light Source

Sample

Monochromator(filter,

wavelength selector)

Detector

Spectrometer

Data Processing

Black body radiation

Czerney-Turner monochromator

nl2maxthickness

Refractive index

Interference filter

Hz

Intensity

4 8 12 16

intensity

Energy (kJ/mol)

Frequency(Hz)

Wavelength (m)

NMRESR

IRRaman

UV-vis

Vacuum UV

X-rayspectroscopy

10,000 1,000 100 cm-1

Detectors

IR windows

IR solvents

IR microscopy