Graphene-based bolometer

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United States of America Patent

PATENT NO 9869592
SERIAL NO

15653466

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Abstract

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A bolometer. In one embodiment a graphene sheet is configured to absorb electromagnetic waves. The graphene sheet has two contacts connected to an amplifier, and a power detector connected to the amplifier. Electromagnetic power in the evanescent electromagnetic waves is absorbed in the graphene sheet, heating the graphene sheet. The power of Johnson noise generated at the contacts is proportional to the temperature of the graphene sheet. The Johnson noise is amplified and the power in the Johnson noise is used as a measure of the temperature of the graphene sheet, and of the amount of electromagnetic wave power absorbed by the graphene sheet.

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Patent Owner(s)

  • RAYTHEON BBN TECHNOLOGIES CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fong, Kin Chung Lexington, US 20 83

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