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Miniature phase-corrected antennas for high resolution focal plane THz imaging arrays
US9490280B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9490280-B2 |
| Application number | US-201414208000-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 13, 2014 |
| Priority date | May 28, 2009 |
| Publication date | Nov 8, 2016 |
| Grant date | Nov 8, 2016 |
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Abstract
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An imaging/detection device includes a hemispherical lens having a surface opposite a curvature of the hemispherical lens, where the hemispherical lens defines an optical axis. The imaging/detection device also includes a plurality of detectors arranged on a focal plane array that is positioned near the surface of the hemispherical lens. Each of the detectors respectively includes a diode and an antenna monolithically integrated with the diode. Additionally, at least one of the detectors is offset by a distance from the optical axis of the hemispherical lens and is configured such that a radiating pattern of the respective antenna is tilted by an angle and directed toward the optical axis of the hemispherical lens. A maximum direction of the radiating pattern of the respective antenna is related to the distance by which the detector is offset from the optical axis of the hemispherical lens.
First claim
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We claim: 1. A method of correcting optical aberration for an off-axis detector of a millimeter-wave/terahertz sensor system, comprising: providing a hemispherical lens having a focal plane opposite to a curvature of the hemispherical lens, the focal plane being extended away from a center of the hemispherical lens, the center of the hemispherical lens defining an optical axis; and providing one or more wideband detectors positioned near the focal plane of the hemispherical lens…
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- G01J1/4228Primary
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9490280B2 cover?
- An imaging/detection device includes a hemispherical lens having a surface opposite a curvature of the hemispherical lens, where the hemispherical lens defines an optical axis. The imaging/detection device also includes a plurality of detectors arranged on a focal plane array that is positioned near the surface of the hemispherical lens. Each of the detectors respectively includes a diode and a…
- Who is the assignee on this patent?
- Univ Ohio State, Ohio State Innovation Foundation
- What technology area does this patent fall under?
- Primary CPC classification G01J1/4228. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 08 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).