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

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.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1440766
Assignee:
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (Livermore, CA) LLNL
Patent Number(s):
9,970,820
Application Number:
15/178,444
Contract Number:
AC52-07NA27344
Resource Relation:
Patent File Date: 2016 Jun 09
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 42 ENGINEERING

Works referenced in this record:

Non-equilibrium modes of operation for infrared detectors
journal, September 1986

Monolithically integrated near-infrared and mid-infrared detector array for spectral imaging
journal, April 2007