Sub-millimeter and infrared reflectarray
First Claim
1. An integrated sub-millimeter and infrared reflectarray, comprising:
- a reflective surface;
a dielectric layer disposed on said reflective surface, anda subwavelength element array electromagnetically coupled to said reflective surface, said subwavelength element array comprising at least one of;
(i) a plurality of electrically conductive subwavelength elements on said dielectric layer,(ii) said dielectric layer comprising a plurality of dielectric subwavelength elements, and(iii) said dielectric layer comprising a plurality of embedded dielectric subwavelength elements,wherein said subwavelength element array in (i), (ii) and (iii) includes at least one of a plurality of substantially different microscale inter-element spacings and a plurality of substantially different microscale dimensions for said plurality of elements,wherein an operating frequency band provided by said reflectarray is in a range between 1 THz and 500 THz.
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Accused Products
Abstract
An integrated sub-millimeter and infrared reflectarray includes a reflective surface, a dielectric layer disposed on the reflective surface, and a subwavelength element array and a subwavelength element array electromagnetically coupled to the reflective surface. The subwavelength element array includes (i) electrically conductive subwavelength elements on the dielectric layer, (ii) wherein the dielectric layer comprises a plurality of dielectric subwavelength elements, or (iii) the dielectric layer includes a plurality of embedded dielectric subwavelength elements. The array includes at least one of a plurality of substantially different inter-element spacings and a plurality of substantially different dimensions for the elements.
22 Citations
12 Claims
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1. An integrated sub-millimeter and infrared reflectarray, comprising:
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a reflective surface; a dielectric layer disposed on said reflective surface, and a subwavelength element array electromagnetically coupled to said reflective surface, said subwavelength element array comprising at least one of; (i) a plurality of electrically conductive subwavelength elements on said dielectric layer, (ii) said dielectric layer comprising a plurality of dielectric subwavelength elements, and (iii) said dielectric layer comprising a plurality of embedded dielectric subwavelength elements, wherein said subwavelength element array in (i), (ii) and (iii) includes at least one of a plurality of substantially different microscale inter-element spacings and a plurality of substantially different microscale dimensions for said plurality of elements, wherein an operating frequency band provided by said reflectarray is in a range between 1 THz and 500 THz. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An integrated sub-millimeter and infrared reflectarray, comprising:
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a reflective surface; a dielectric layer disposed on said reflective surface, and a subwavelength element array electromagnetically coupled to said reflective surface, said subwavelength element array comprising at least one of; (i) a plurality of electrically conductive subwavelength fixed thickness elements on said dielectric layer; (ii) said dielectric layer comprising a plurality of dielectric subwavelength fixed thickness elements, and (iii) said dielectric layer comprising a plurality of embedded dielectric subwavelength fixed thickness elements, wherein said subwavelength element array in (i), (ii) and (iii) includes at least one of a plurality of substantially different microscale inter-element spacings and a plurality of substantially different microscale dimensions for said plurality of element;
wherein an operating frequency band provided by said reflectarray is in range 1 THz and 500 THz.
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Specification