Temporal modulation, e.g. extending depth of field or phase compensation for object motion

Full Title

Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto > Processes or apparatus for producing holograms (G03H1/26 takes precedence) > using modulated reference beam > Temporal modulation, e.g. extending depth of field or phase compensation for object motion