sun (idealize bb radiation) max ~ 500 nm incandescent lamps
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Sun (idealize BB radiation)Max ~ 500 nm
Incandescent lamps
IR Prisms/Transmittance-Reflectance Elemnts
Quartz NaCl
KBr
Dispersive IR Spectrometer
FT- IR Spectrometer
IR Detectors : Pyroelectrics
J. Mater. Chem., 2012,22, 8372-8376
IR Detectors : Photoconductive Materials
PbS (1-3 micrometer, NIR)InSb (NIR)MCT (mercury-cadmium telluride) (Mid and Far IR)
Vacuum chamber
Liquid N2 for decreasing noises
IR Detectors : Golay cell
Double beam FTIR
• Some useful links:
• CO2 and H2O vibration modes• http://www2.ess.ucla.edu/~schauble/MoleculeHTML/CO2_html/CO2_page.html• http://www2.ess.ucla.edu/~schauble/molecular_vibrations.htm• http://www.chemtube3d.com/vibrationsCO2.htm
• Methyl Vibrations:
•http://chemwiki.ucdavis.edu/Physical_Chemistry/Spectroscopy/Vibrational_Spectroscopy/Vibrational_Modes
•Beats:
•http://www.falstad.com/mathphysics.html
•Raman Applet:
•http://cartwright.chem.ox.ac.uk/tlab/605/html/introduction01.htm#
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