Diffractive optical device for the optical imaging of a spatial

Details Diffractive optical device for the optical imaging of a spatial Diffractive optical device for the optical imaging of a spatial

1996-12-06

1998-01-27

Callahan, Timothy P.

Optical: systems and elements

Diffraction

From grating

359558, G02B 518

Patent

active

057127301

ABSTRACT:
A diffractive optical apparatus has a planarly expansive, diffracting structure with a plurality of structural sub-regions, each of this sub-regions directing a portion of a light falling thereon to onto other spatial points allocated to the structural sub-regions independently of the remaining structural sub-regions. Diffracting structure provides beam splitting with a high fan out and high efficiency for use, for example, in computers at a board level or chip level.

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