Infrared radiation detector

A detector for infrared radiation comprising:

• a plurality of elongate, segmented, electrically conductive members, each member comprising a plurality of photosensitive segments responsive to said infrared radiation and a plurality of non-photosensitive segments which are not responsive to said infrared radiation, and said conductive members being spaced apart by less than the wavelength of said infrared radiation,
• said photosensitive segments and said non-photosensitive segments positioned alternately and electrically connected in series to form each of said members, said photosensitive segments in each said member being spaced apart by less than the wavelength of said infrared radiation,
• a plane reflective to said infrared radiation, said plane offset from said photosensitive segments by less than the wavelength of said infrared radiation, and
• electrical conductors connected to said elongate, segmented, electrically conductive members for conveying signals produced by said photosensitive segments in response to said infrared radiation.

A detector for infrared radiation comprising:

• a substrate;
• a plurality of non-conductive segments on said substrate,
• a plurality of electrically conductive, elongate members supported on said nonconductive segments and spaced apart by less than the wavelength of said radiation, each said member comprising a plurality of photosensitive detector segments spaced apart along the member by less than the wavelength of said radiation, with non-photosensitive segments separating said photosensitive segments, said photosensitive and said non-photosensitive segments having substantially the same dielectric constant,
• a radiation reflecting plane offset from said elongate members by less than the wavelength of said radiation, wherein said radiation is captured by said radiation detector and power of said radiation is conveyed to said photosensitive detector segments which produce detection signals therefrom, and electrical conductors connected to said elongate members for conveying said detection signals produced by said photosensitive detector segments.

A detector for infrared radiation comprising;

• a plurality of electrically conductive, elongate members supported on said substrate and spaced apart by less than the wavelength of said radiation, each said member comprising a plurality of photosensitive detector segments which are responsive to said infrared radiation and are spaced apart along the member by less than the wavelength of said radiation, with non-photosensitive segments which are not responsive to said radiation separating said photosensitive segments, said photosensitive and said non-photosensitive segments having substantially the same dielectric constant,
• a radiation reflecting plane offset from said elongate members by less than the wavelength of said radiation, wherein said radiation is captured by said photosensitive detector and power of said radiation is conveyed to said detector segments which produce detection signals therefrom,
• a plurality of elongate, electrically conductive, non-photosensitive members spaced apart by less than the wavelength of said radiation and offset in a plane from said elongate members by less than the wavelength of said radiation, and
• electrical conductors connected to said elongate members having photosensitive segments for conveying said detection signals produced by said photosensitive detector segments.

An infrared detector array for producing an infrared image from infrared radiation comprising:

• a plurality of infrared detectors positioned in a planar array, each detector comprising;
• a plurality of elongate, segmented, electrically conductive members, each member comprising a plurality of photosensitive segments responsive to said infrared radiation and a plurality of non-photosensitive segments which are not responsive to said infrared radiation, and said conductive members spaced apart by less than the wavelength of said infrared radiation,
• said photosensitive segments and said non-photosensitive segments positioned alternately and electrically connected in series to form each of said members, said photosensitive segments in each said member spaced apart by less than the wavelength of said infrared radiation,
• a plane reflective to said infrared radiation, said plane offset from said photosensitive segments by less than the wavelength of said infrared radiation, and
• electrical conductors connected to said elongate, segmented, electrically conductive members for extracting signals produced by said photosensitive segments in response to said infrared radiation.

An infrared detector array for producing an infrared image from infrared radiation comprising:

• a plurality of infrared detectors positioned in a planar array, each detector comprising;
• a substrate;
• a plurality of electrically conductive, elongate members supported on said substrate and spaced apart by less than the wavelength of said radiation, each said member comprising a plurality of photosensitive detector segments spaced apart along the member by less than the wavelength of said radiation, with non-photosensitive segments separating said photosensitive segments, said photosensitive and said non-photosensitive segments having substantially the same dielectric constant
• a radiation reflecting plane offset from said elongate members by less than the wavelength of said radiation, wherein said radiation is captured by said radiation detector and power of said radiation is conveyed to said photosensitive detector segments which produce detection signals therefrom, and
• electrical conductors connected to said elongate members for conveying said detection signals produced by said photosensitive detector segments.

An infrared detector array for producing an infrared image from infrared radiation comprising:

• a plurality of infrared detectors positioned in a planar array, each detector comprising;
• a plurality of electrically conductive, elongate members supported on said substrate and spaced apart by less than the wavelength of said radiation, each said member comprising a plurality of photosensitive detector segments which are responsive to said infrared radiation and are spaced apart along the member by less than the wavelength of said radiation, with non-photosensitive segments which are not responsive to said radiation separating said photosensitive segments, said photosensitive and said non-photosensitive segments having substantially the same dielectric constant,
• a radiation reflecting plane offset from said elongate members by less than the wavelength of said radiation, wherein said radiation is captured by said photosensitive detector and power of said radiation is conveyed to said detector segments which produce detection signals therefrom,
• a plurality of elongate, electrically conductive, non-photosensitive members spaced apart by less than the wavelength of said radiation and offset from said elongate members by less than the wavelength of said radiation, and
• electrical conductors connected to said elongate members having photosensitive segments for conveying said detection signals produced by said photosensitive detector segments.

A detector for infrared radiation comprising:

• a dielectric substrate,
• an array of insulating blocks on the surface of said substrate, said insulating blocks organized in elongate groups, wherein the insulating blocks in each group are spaced apart by less than the wavelength of said infrared radiation and said groups are spaced apart by less than said wavelength,
• a plurality of photosensitive segments positioned respectively on the surfaces of said insulating blocks, said photosensitive segments having essentially the same lateral dimensions as said insulating blocks and have a thickness less than said wavelength,
• a plurality of electrically conducting bridging segments for respectively connecting pairs of said photosensitive segments within said groups for producing a plurality of elongate, conducting members comprising alternating ones of photosensitive segments and said conducting bridging segments,
• a reflecting plane positioned on the opposite side of said substrate from said photosensitive segments and offset from said photosensitive segments by a distance less than said wavelength, and
• first and second electrical conductors connected to each of said elongate, conducting members for providing a conduction path for detection signals produced by said photosensitive segments in response to said infrared radiation.

A nonpolarized detector for infrared radiation comprising:

• a dielectric substrate,
• an array of insulating blocks on the surface of said substrate, said insulating blocks comprising first and second sets each having a plurality of groups of said blocks, each group comprising an elongate collection of said blocks, wherein the groups in said first set are parallel to each other and the groups in said second set are parallel to each other and said groups in said first and second sets are perpendicular to each other, wherein the insulating blocks in each group are spaced apart by less than the wavelength of said infrared radiation and said parallel groups are spaced apart by less than the wavelength of said radiation,
• a plurality of photosensitive segments positioned respectively on the surfaces of said insulating blocks, said photosensitive segments having essentially the same lateral dimensions as said insulating blocks and have a thickness less than said wavelength,
• a plurality of X-shaped electrically conducting bridging segments for respectively connecting a pair of adjacent ones of said photosensitive segments from within said first set to an adjacent pair of said photosensitive segments from within said second set for producing a plurality of elongate, conducting members comprising alternating ones of photosensitive segments and said conducting bridging segments, a half of said conducting members parallel to each other and perpendicular to the other half of said conducting members, which are parallel to each other,
• a reflecting plane positioned on the opposite side of said substrate from said photosensitive segments and offset from said photosensitive segments by a distance less than said wavelength, and
• first and second electrical conductors connected to each of said elongate, conducting members for providing a conduction path for detection signals produced by said photosensitive segments in response to said infrared radiation.