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

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

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

Abstract

In one embodiment, a heterodyne detection system for detecting light includes a first input aperture adapted for receiving first light from a scene input, a second input aperture adapted for receiving second light from a local oscillator input, a broadband local oscillator adapted for providing the second light to the second input aperture, a dispersive element adapted for dispersing the first light and the second light, and a final condensing lens coupled to an infrared detector. The final condensing lens is adapted for concentrating incident light from a primary condensing lens onto the infrared detector, and the infrared detector is a square-law detector capable of sensing the frequency difference between the first light and the second light. More systems and methods for detecting light are described according to other embodiments.

Inventors:: Stevens, Charles G.; Tringe, Joseph W.; Cunningham, Christopher Thomas

Issue Date:: 2014-08-26

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1151759

Patent Number(s):: 8816284

Application Number:: 13/076,162

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G01J3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
G01J3/4338 - {Frequency modulated spectrometry}
G01J3/453 - by correlation of the amplitudes

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N21/35 - using infra-red light

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DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Stevens, Charles G., Tringe, Joseph W., and Cunningham, Christopher Thomas. Room-temperature quantum noise limited spectrometry and methods of the same.  United States: N. p., 2014. 
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                    Stevens, Charles G., Tringe, Joseph W., & Cunningham, Christopher Thomas. Room-temperature quantum noise limited spectrometry and methods of the same.  United States.

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                    Stevens, Charles G., Tringe, Joseph W., and Cunningham, Christopher Thomas. Tue .  
        "Room-temperature quantum noise limited spectrometry and methods of the same".  United States.  https://www.osti.gov/servlets/purl/1151759.

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@article{osti_1151759,

  title        = {Room-temperature quantum noise limited spectrometry and methods of the same},

  author       = {Stevens, Charles G. and Tringe, Joseph W. and Cunningham, Christopher Thomas},

  abstractNote = {In one embodiment, a heterodyne detection system for detecting light includes a first input aperture adapted for receiving first light from a scene input, a second input aperture adapted for receiving second light from a local oscillator input, a broadband local oscillator adapted for providing the second light to the second input aperture, a dispersive element adapted for dispersing the first light and the second light, and a final condensing lens coupled to an infrared detector. The final condensing lens is adapted for concentrating incident light from a primary condensing lens onto the infrared detector, and the infrared detector is a square-law detector capable of sensing the frequency difference between the first light and the second light. More systems and methods for detecting light are described according to other embodiments.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {8}

}

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