The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10698143 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 30, 2020

Filed:

Oct. 10, 2012
Applicant:

Lambda Guard Technologies Ltd, London, GB;

Inventors:

George Palikaras, London, GB;

Themos Kallos, London, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); G02B 1/00 (2006.01); G02B 5/20 (2006.01); G02B 5/08 (2006.01);
U.S. Cl.
CPC ...
G02B 5/22 (2013.01); G02B 1/005 (2013.01); G02B 5/0816 (2013.01); G02B 5/0825 (2013.01); G02B 5/0841 (2013.01); G02B 5/20 (2013.01);
Abstract

There is provided a filter for filtering electromagnetic radiation, wherein said filter is arranged to transmit electromagnetic radiation of a first predetermined wavelength and to block transmission of electromagnetic radiation of a second, different predetermined wavelength; said filter comprising a first metamaterial. Optionally, the metamaterial may be formed of a plurality of material elements wherein each material element is at least one-dimensional and the size of the material element along each dimension is no greater than the size of the second predetermined wavelength. The filter comprises a second metamaterial arranged to provide second filtering of electromagnetic radiation.


Find Patent Forward Citations

Palikaras, George. (2020). Filter made of metamaterials (U.S. Patent No. 10698143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10698143

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