Coordinated simultaneous real and Fourier plane imaging system and methods

摘要

Imaging systems and methods for simultaneous real and Fourier plane imaging. In one example, an imaging system includes at least one optical element configured to receive and focus incident electromagnetic radiation from a viewed scene, a first detector positioned at an image plane of the at least one optical element and configured to produce a first image of the viewed scene, and a second detector positioned at a Fourier plane of the at least one optical element and configured to produce a second image of the viewed scene, the first and second detectors configured to receive the electromagnetic radiation and produce the first and second images, respectively. The system may additionally include an optical component, such as a beamsplitter, for example, configured to divide and direct the incident electromagnetic radiation to the first and second detectors.

主权项

1. An imaging system comprising:
at least one optical element configured to receive and focus incident electromagnetic radiation from a viewed scene and to perform a spatial Fourier transform on the incident electromagnetic radiation; a first detector positioned at a real image plane of the at least one optical element and configured to receive a first portion of the incident electromagnetic radiation and to produce a real image of the viewed scene; a second detector positioned at a Fourier plane of the at least one optical element and configured to receive a second portion of the incident electromagnetic radiation and to capture Fourier domain information including azimuth and elevation angles of rays of the second portion of the incident electromagnetic radiation to produce a Fourier plane image; an optical component configured to divide the incident electromagnetic radiation into the first and second portions and to direct the first and second portions to the first and second detectors, respectively; and a controller coupled to the first and second detectors and configured to receive and process the real image and the Fourier plane image to determine at least one of an azimuth angle and an elevation angle of an object in the viewed scene based on the real image and the Fourier plane image.