公开(公告)号：US20240065584A1

公开(公告)日：2024-02-29

申请号：US18241829

申请日：2023-09-01

Applicant: Meta Materials Inc.

Inventor： Ahmed Teyeb ,  Jamil Kanfoud ,  Tat Hean Gan ,  Andrew Mark ,  Helena Cano-Garcia ,  Efthymios Kallos ,  Fergus O'Brien

IPC: A61B5/145 ,  A61B5/1455 ,  A61B5/00

CPC classification number: A61B5/14532 ,  A61B5/1455 ,  A61B5/7257 ,  A61B5/6825 ,  A61B5/6831

Abstract: A method for measuring glucose concentration in a biological material is disclosed, as well as a computer readable medium and a sensor system for performing the method. The method comprises irradiating the biological material with optical radiation having a first wavelength between 400 nanometers and 25 micrometers; detecting a first signal from the biological material at the first wavelength; irradiating the biological material with radio-frequency, RF, radiation having a second wavelength between 1 millimeter and 30 centimeters; detecting a second signal from the biological material at the second wavelength; and determining a concentration of glucose in the biological material based on the first signal and the second signal. The sensor system comprises an optical radiation source, an optical radiation detector, an RF radiation source, and RF radiation detector, and a processing device.

公开(公告)号：US20240079791A1

公开(公告)日：2024-03-07

申请号：US18244196

申请日：2023-09-08

Applicant: Meta Materials Inc.

Inventor： Ragip Pala ,  Jonathan Waldern ,  Efthymios Kallos ,  Milan Momcilo Popovich ,  George Palikaras

IPC: H01Q15/00 ,  H01Q19/10

CPC classification number: H01Q15/0086 ,  H01Q19/10

Abstract: There is provided an electromagnetic wave director comprising a substrate supporting a diffractive element formed from a two-dimensional array of subwavelength subcells deposited onto said substrate, said diffractive element operative to direct an electromagnetic wave signal generated by at least one electromagnetic wave transmitter to at least one electromagnetic receiver disposed within at least one coverage zone lying outside the line of sight of the transmitter, said diffractive element having metasurface prescription for modifying the amplitude and phase of incident electromagnetic wavefronts on each subwavelength subcell. There is also provided associated systems and methods.