Lorentzian shape(saturation broadening)

Lambert-Beer Law (Atomic scattering cross section)

Velocity selective coherent population trapping

Forces on a two level atom in a light field

Dissipative Force

Reactive Force

Dissipative vs. Reactive Force

two level atom

optical pumping

BEC Expansion

Mach Zehnder Interferometer

Diffraction by grating

Dark States

Absorption imaging of ultracold atoms

BEC with attractive interactions

BEC in a harmonic trap

BEC in optical lattices