Room-temperature quantum noise limited spectrometry and methods of the same

Stevens, Charles G.; Tringe, Joseph W.; Cunningham, Christopher T.

Room-temperature quantum noise limited spectrometry and methods of the same

Patent · 15 May 2018

OSTI ID:1440766

Stevens, Charles G.; Tringe, Joseph W.; Cunningham, Christopher T.

According to one embodiment, a heterodyne detection system for detecting light, includes: a first input aperture configured to receive first light from a scene input; a second input aperture configured to receive second light from a local oscillator input; a broadband local oscillator configured to provide the second light to the second input aperture; a dispersive element configured to disperse the first light and the second light; and a final condensing lens coupled to a detector. The final condensing lens is configured to concentrate incident light from a primary condensing lens onto the detector. The detector is configured to sense a frequency difference between the first light and the second light; and the final condensing lens comprises a plasmonic condensing lens. Methods for forming a plasmonic condensing lens to enable room temperature quantum noise limited spectrometry are also disclosed.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-07NA27344

Assignee:: LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (Livermore, CA)

Patent Number(s):: 9,970,820

Application Number:: 15/178,444

OSTI ID:: 1440766

Country of Publication:: United States

Language:: English

References (16)

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