Scanning imaging device
First Claim
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1. A terahertz scanning imaging device arranged to scan a field of view, comprising:
- a plurality of sensors arranged to detect terahertz radiation from a plurality of respective portions of the field of view;
at least one scanning element arranged to direct terahertz radiation from a respective portion of the field of view onto the corresponding sensor; and
an image processor in communication with the sensors for generating a consolidated image of the field of view.
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Abstract
A Terahertz scanning imaging device for imaging objects where the object is larger than the object to imager distance. The imager comprises scanning elements, sensors, and an image processor. The scanning elements are used to direct radiation to the sensors. Multiple scanning elements and sensors may be used, each scanning a portion of the field of view. The image processor, in communication with the sensors, generates a consolidated 2-dimensional image of a field of view.
26 Citations
25 Claims
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1. A terahertz scanning imaging device arranged to scan a field of view, comprising:
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a plurality of sensors arranged to detect terahertz radiation from a plurality of respective portions of the field of view; at least one scanning element arranged to direct terahertz radiation from a respective portion of the field of view onto the corresponding sensor; and an image processor in communication with the sensors for generating a consolidated image of the field of view. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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- 8. A scanning imaging device comprising a fixed array of fixed imagers and an image processor, the array of fixed imagers being in communication with an image processor for generating an image of the field of view of the scanning imaging device on the basis of image data generated by said fixed imagers, said array of fixed imagers comprising a plurality of sensors that are fixed with respect to said field of view and a respective plurality of scanning elements, each scanning element being arranged for directing radiation from a portion of said field of view to its respective sensor, each scanning element being mounted for movement in first and second directions for scanning its respective sensor across said portion of said field of view in corresponding first and second scanning directions whereby each fixed imager generates image data relating to its respective portion of said field of view.
Specification