Method for effecting illumination of an arbitrary aperture

Details Method for effecting illumination of an arbitrary aperture Method for effecting illumination of an arbitrary aperture

1992-02-21

1993-11-02

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 27, 359 28, 359 30, G02B 532, G03H 130

Patent

active

052588637

ABSTRACT:
The present invention discloses a novel method for effecting illumination of an arbitrary aperture. The method comprises a first step of providing a developed hologram comprising a plurality of spatially known discrete holographic optical elements that have been generated from a common arbitrary aperture. A second step comprises directing a plurality of dedicated reconstructing beams to assigned ones of the holographic optical elements, so that a composite hologram beam illuminates the arbitrary aperture.

REFERENCES:
patent: 3674331 (1972-07-01), Caulfield
patent: 3677616 (1972-07-01), Lewis
patent: 3689129 (1972-09-01), Lurie
patent: 3692380 (1972-09-01), Inagaki
patent: 3752555 (1973-08-01), Klotz
patent: 3756684 (1973-09-01), Fox
patent: 3785736 (1974-01-01), Spitz et al.
patent: 3909111 (1975-09-01), Meyerhofer
patent: 3941450 (1976-03-01), Spitz et al.
patent: 4130338 (1978-12-01), Clay et al.

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