Systems and methods are described for rapid acquisition of fused off-axis
illumination direct-to-digital holography. A method of recording a plurality of
off-axis object illuminated spatially heterodyne holograms, each of the off-axis
object illuminated spatially heterodyne holograms including spatially heterodyne
fringes for Fourier analysis, includes digitally recording, with a first illumination
source of an interferometer, a first off-axis object illuminated spatially heterodyne
hologram including spatially heterodyne fringes for Fourier analysis; and digitally
recording, with a second illumination source of the interferometer, a second off-axis
object illuminated spatially heterodyne hologram including spatially heterodyne
fringes for Fourier analysis.