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Title: Tunable infrared pixels having unpatterned graphene layer and conductive metasurface

Abstract

A monolithically integrated, tunable infrared pixel comprises a combined broadband detector and graphene-enabled tunable metasurface filter that operate as a single solid-state device with no moving parts. Functionally, tunability results from the plasmonic properties of graphene that are acutely dependent upon the carrier concentration within the infrared. Voltage induced changes in graphene's carrier concentration can be leveraged to change the metasurface filter's transmission thereby altering the “colors” of light reaching the broadband detector and hence its spectral responsivity. The invention enables spectrally agile infrared detection with independent pixel-to-pixel spectral tunability.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1986746
Patent Number(s):
11482560
Application Number:
16/930,520
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
DOE Contract Number:  
NA0003525
Resource Type:
Patent
Resource Relation:
Patent File Date: 07/16/2020
Country of Publication:
United States
Language:
English

Citation Formats

Beechem, III, Thomas Edwin, Goldflam, Michael, Tauke-Pedretti, Anna, Ruiz, Isaac, Peters, David W., and Howell, Stephen W. Tunable infrared pixels having unpatterned graphene layer and conductive metasurface. United States: N. p., 2022. Web.
Beechem, III, Thomas Edwin, Goldflam, Michael, Tauke-Pedretti, Anna, Ruiz, Isaac, Peters, David W., & Howell, Stephen W. Tunable infrared pixels having unpatterned graphene layer and conductive metasurface. United States.
Beechem, III, Thomas Edwin, Goldflam, Michael, Tauke-Pedretti, Anna, Ruiz, Isaac, Peters, David W., and Howell, Stephen W. Tue . "Tunable infrared pixels having unpatterned graphene layer and conductive metasurface". United States. https://www.osti.gov/servlets/purl/1986746.
@article{osti_1986746,
title = {Tunable infrared pixels having unpatterned graphene layer and conductive metasurface},
author = {Beechem, III, Thomas Edwin and Goldflam, Michael and Tauke-Pedretti, Anna and Ruiz, Isaac and Peters, David W. and Howell, Stephen W.},
abstractNote = {A monolithically integrated, tunable infrared pixel comprises a combined broadband detector and graphene-enabled tunable metasurface filter that operate as a single solid-state device with no moving parts. Functionally, tunability results from the plasmonic properties of graphene that are acutely dependent upon the carrier concentration within the infrared. Voltage induced changes in graphene's carrier concentration can be leveraged to change the metasurface filter's transmission thereby altering the “colors” of light reaching the broadband detector and hence its spectral responsivity. The invention enables spectrally agile infrared detection with independent pixel-to-pixel spectral tunability.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {10}
}

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