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.
112 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