Coherence Length/Area
Interference fringes (~ 1/2" across) from
a white light plasma source of CCT~6500K.Coherence length of a black-body ~ hc/(4KBT)
Michelson Interforometer
Source, condenser lens, 100micron pinhole
and collimating lens.Low-Coherence Michelson's Interferometer (odt)
Links:
Wiki - Coherence
Wiki - Coherence Length