G - Physics – 02 – B
Patent
G - Physics
02
B
88/0.14
G02B 5/32 (2006.01) G02F 3/00 (2006.01) G02F 3/02 (2006.01)
Patent
CA 1270673
- 46 - METHOD AND APPARATUS FOR MAKING A REFLECTION HOLOGRAM TO INTERCONNECT NONLINEAR OPTICAL ELEMENTS Abstract Method and apparatus for making a plurality of reflection holograms positioned in a two-dimensional array to interconnect optically a plurality of optically nonlinear optical devices also positioned in a two- dimensional array. The devices are operated to function as optical logic NOR gates, and the reflection holograms optically interconnect the devices to form any desired optical logic circuit such as a clocked JK sequential logic flip-flop circuit. The reflection holograms are made by affixing the devices and a photosensitive material to the opposite surfaces of a layer of transparent material. The transparent material maintains the positions of the devices relative to the photosensitive material both before and after the hologram is made. Spatial light modulator masks are temporarily placed over the outside surfaces of the photosensitive material and the devices to mask all but selected areas of the photosensitive material and designated devices from being illuminated by coherent light beams.
497997
Hinton Harvard Scott
Ostrander John Lawrence
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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