Mm-wave terrestrial imager
First Claim
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1. An array of sensors for receiving a focussed terrestrial mm-wave image and providing a corresponding pixel-wise set of image representative signals therefrom, said sensors being antenna coupled high temperature superconductor weak links for directly detecting incident mm-wave radiation.
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Abstract
A passive mm-wave imager comprises an optical immersion lens arrangement which is illuminated by front end optics and an array of direct detectors (12a) to (12d) located in the focal plane of the immersion lens arrangement. The detectors comprise antennae coupled high temperature superconductor weak links, in particular C-axis cross-over or step microbridges.
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Citations
18 Claims
- 1. An array of sensors for receiving a focussed terrestrial mm-wave image and providing a corresponding pixel-wise set of image representative signals therefrom, said sensors being antenna coupled high temperature superconductor weak links for directly detecting incident mm-wave radiation.
Specification