LIDAR Comprising Polyhedron Transmission and Receiving Scanning Element
First Claim
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1. An electronic LIDAR imaging system comprising:
- an electromagnetic radiation source for transmitting an electromagnetic beam in a predetermined range of the electromagnetic spectrum,a scanning element comprising at least one substantially flat and electromagnetically reflective facet disposed about a perimeter of the scanning element,the scanning element configured to rotate about a first axis in a first direction whereby the transmitted beam is scanned in the first direction across a scene by the facet,a rotation table configured to rotate and scan the transmitted beam across the scene in a direction substantially orthogonal to the first direction, and,a focal plane detector array for converting a reflected portion of the beam from the scene from the facet into a detector output signal.
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Abstract
A LIDAR system having a rotating geometric solid polyhedron reflective scanning and receiving element disposed on a rotation table element. The system is configured for scanning a transmitted electromagnetic beam such as a laser beam over a scene of interest in both elevation and azimuth and for receiving a reflected portion of the transmitted beam onto the focal plane detector array of the invention and to output an (x, y, range) set of point cloud coordinate image data.
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Citations
4 Claims
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1. An electronic LIDAR imaging system comprising:
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an electromagnetic radiation source for transmitting an electromagnetic beam in a predetermined range of the electromagnetic spectrum, a scanning element comprising at least one substantially flat and electromagnetically reflective facet disposed about a perimeter of the scanning element, the scanning element configured to rotate about a first axis in a first direction whereby the transmitted beam is scanned in the first direction across a scene by the facet, a rotation table configured to rotate and scan the transmitted beam across the scene in a direction substantially orthogonal to the first direction, and, a focal plane detector array for converting a reflected portion of the beam from the scene from the facet into a detector output signal. - View Dependent Claims (2, 3, 4)
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Specification