Absorption measurements

Absorption measurements

High-sensitivity absorption measurements

High-sensitivity absorption measurements

High-sensitivity absorption measurements

Intracavity absorption

Intracavity absorption

Fluorescence excitation spectroscopy

Photoacoustic spectroscopy

Laser-induced Fluorescence

Molecular Spectroscopy by LIF

Optical absorption in semiconductors

Transition rates for direct absorption

Transition rates for direct absorption

Joint density of states

Band edge absorption in direct semiconductors

JDOS

Band Edge Absorption

Band edge absorption in indirect gap semiconductors

Absorption above the band edge

Excitons

Wannier Excitons

Frenkel Excitons

Luminescence

Luminescence in direct gap SC

Luminescence in indirect gap SC

Photoluminescence: Excitation and Relaxation

Photoluminescence

Photoluminescence Spectroscopy

Electroluminescence

LEDs and diode lasers