SUB-MILLIMETRE WAVELENGTH CAMERA
The invention relates to an imaging device to be used with millimeter and/or sub-millimeter radiation comprising at least a pair of substrates, at least one of which is patterned on at least one surface with a patterning defining at least one radiation detector (4), each radiation detector comprisin...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to an imaging device to be used with millimeter and/or sub-millimeter radiation comprising at least a pair of substrates, at least one of which is patterned on at least one surface with a patterning defining at least one radiation detector (4), each radiation detector comprising:- an antenna (14) adapted to receive millimetre and/or sub-millimeter electromagnetic radiation, - a mixer channel (16) coupled to said antenna and in communication with a via extending through a substrate for connection to a signal output, a mixer comprising filters (15, 19) being mounted in the mixer channel for extracting an intermediate frequency signal in dependence upon said radiation received by the antenna. - a waveguide structure (17) coupled to said mixer and having a signal input for connection to a local oscillator. |
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