Databases

CRC Handbook of Chemistry and Physics
www.hbcpnetbase.com/
Data may be accessed after purchasing a personal or institutional subscription.

NIST Chemistry Webbook
http://webbook.nist.gov/chemistry/
Contains databases of electronic and vibrational spectra.

Harvard-Smithsonian Center for Astrophysics Atomic & Molecular Databases
http://cfa-www.harvard.edu/amdata/ampdata/amdata.shtml
Compilation of data and other links of interest to spectroscopists and astrophysicists.

Tutorials

Beer-Lambert Law
http://teaching.shu.ac.uk/hwb/chemistry/tutorials/molspec/beers1.htm
Intoduction to the Beer-Lambert law.

Electronic spectroscopy
http://rutchem.rutgers.edu/Courses_f01/Chem323b/LectG.pdf
Good section on the Franck Condon Principle.

Light Absorption and Fate of Excitation Energy
www.life.uiuc.edu/govindjee/biochem494/Abs.html
Another site on the Franck Condon Principle.

Fluorescence Spectroscopy
http://phys.educ.ksu.edu/vqm/html/fluorescence.html
Interactive fluorescence spectroscopic graph (requires plugin download).

MALDI-TOF
www.abrf.org/ABRFNews/1997/June1997/jun97lennon.html
MALDI-TOF mass spectrometry.

Electronic Spectroscopy of Diatomic Molecules
http://bernath.uwaterloo.ca/media/DiatomicElectronic.pdf
Extensive tutorial covering electronic spectroscopy

Lasers
http://encarta.msn.com/encyclopedia_761578658/Laser.html#s1
Introuction to lasers.