Extenders for reflective optical path segments

Details Extenders for reflective optical path segments Extenders for reflective optical path segments

1993-04-05

1995-09-19

Ben, Loha

Optical: systems and elements

Diffraction

Using fourier transform spatial filtering

359559, 382210, 382278, G02B 2746, G06K 964

Patent

active

054521378

ABSTRACT:
In an optical correlator system having reflective and transmissive optical components positioned along a folded and segmented optical axis or path, one or more optical path extenders are provided for selected optical path segments that require operative path length adjustment so that an electromagnetic radiation beam, which traverses the folded optical path with selected information imparted into and detected from the beam, can be imaged upon a defined and maximum usable area or region both on the reflective components and on an end detector component.

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