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US 2022/0191409 A1Published application
Infrared detector and infrared imager
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsYUAN-HAO JIN, QUN-QING LI, SHOU-SHAN FAN
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Abstract
An infrared detector includes a thermoelectric element, an infrared light absorber located on the thermoelectric element, and an electrical signal detecting element. The infrared light absorber includes a plurality of carbon nanotubes entangled with each other to form a network structure and a plurality of carbon particles in the network structure. The electrical signal detecting element is configured to detect a change of an electrical signal of the thermoelectric element.
Claims20
An infrared detector, comprising:
- an infrared light absorber configured to absorb infrared light and convert the infrared light into heat, wherein the infrared light absorber comprises a plurality of carbon nanotubes entangled with each other to form a network structure and a plurality of carbon particles in the network structure;
- a thermoelectric element, wherein the infrared light absorber is on the thermoelectric element;
- and
- an electrical signal detecting element configured to detect a change of an electrical signal of the thermoelectric element.
1 more element
An infrared imager, comprising:
- a plurality of infrared detectors arranged to form a two-dimensional array, wherein each of the plurality of infrared detectors comprises:
- an infrared light absorber configured to absorb infrared light and convert the infrared light into heat, wherein the infrared light absorber comprises a plurality of carbon nanotubes entangled with each other to form a network structure and a plurality of carbon particles in the network structure;
- a thermoelectric element, wherein the infrared light absorber is on the thermoelectric element;
- and
- an electrical signal detecting element configured to detect a change of an electrical signal of the thermoelectric element;
- a signal processor configured to process the electrical signals and to construct thermal field distribution data according to the electrical signals;
- and
- an infrared image display configured to display an infrared thermal image according to the thermal field distribution data.
5 more elements
Dependencies are inferred from the claim text.