Patent ID: 6819483
Filing Date: 2004-11-16
Classification: G02B

Abstract:
A distributed-aperture telescope having a distributed aperture, the distributed-aperture telescope comprising:a plurality of three mirror anastigmats (TMAs) positioned within the distributed aperture, wherein each TMA includes: a primary mirror device, the primary mirror device being configured to receive electromagnetic radiation from one or more sources; a secondary mirror device coupled to the primary mirror device, the secondary mirror device being configured to redirect a portion of the electromagnetic radiation reflected from the primary mirror device; a tertiary mirror device coupled to the secondary mirror device, the tertiary mirror device being configured to redirect a portion of the electromagnetic radiation reflected from the secondary mirror device; an intermediate image plane disposed between the secondary mirror device and the tertiary mirror device; and a phase plate disposed within a vicinity of the intermediate image plane, wherein the phase plate is configured to correct sine magnification error of the portion of the electromagnetic radiation over the field of view of the TMA.