Information Technology Reference
In-Depth Information
Image Transfer
Screen
Input Relay Optics
(Macrolens Array)
Output Relay Optics
(Macrolens Array)
Object
Pseudoscopic Areal
Image
Film
Plane
Encoding
Screen
Reduced Volumetric
Image
Two Arrays of Microlenses from
the Image Transfer Screen
Fig. 2 3D Holoscopic Imaging camera optical system
The system uses an additional lens array, which images the object space around
the plane of the microlens combination. This arrangement has been termed a two-
tier optical combination. Effectively the first macro array produces a number of
pseudoscopic, laterally inverted, images around the double microlens screen. This
image is transmitted effectively negating the sign of the input angle such that each
point in object space is returned to the same position in image space. The ar-
rangement performs pseudo phase conjugation, i.e. transfer of volumetric data in
space. The image is transmitted with equal lateral longitudinal magnification, and
the relative spatial co-ordinates, are preserved i.e. there is no inversion in the re-
corded image and no scale reduction in depth.
Ultra High Resolution
Image Sensor
Dielectric Stack
Microlens array
Fig. 3 3D Holoscopic image sensor
 
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