Compact folded metasurface spectrometer

Faraji-Dana, MohammadSadegh; Arbabi, Ehsan; Arbabi, Amir; Faraon, Andrei

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Title: Compact folded metasurface spectrometer

Abstract

Compact optical devices such as spectrometers are realized with metasurfaces within a dielectric medium confined by reflective surfaces. The metasurfaces control the phase profiles of the reflected electromagnetic waves within the device. In a compact spectrometer, the metasurfaces within the device separate the electromagnetic waves in different wavelengths. The metasurfaces are designed according to their phase profile by varying the size of the array of scatterers.

Inventors:: Faraji-Dana, MohammadSadegh; Arbabi, Ehsan; Arbabi, Amir; Faraon, Andrei

Issue Date:: 2021-08-17

Research Org.:: California Institute of Technology (CalTech), Pasadena, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1840358

Patent Number(s):: 11092486

Application Number:: 16/213,810

Assignee:: California Institute of Technology (Pasadena, 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 G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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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
G01J3/0208 - {using focussing or collimating elements, e.g. lenses or mirrors
G01J3/0224 - {using polarising or depolarising elements}
G01J3/0259 - {Monolithic}
G01J3/18 - using diffraction elements, e.g. grating

G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B5/1814 - {structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
G02B5/1847 - {Manufacturing methods}
G02B5/1861 - {Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials

Show less

DOE Contract Number:: SC0001293

Resource Type:: Patent

Resource Relation:: Patent File Date: 12/07/2018

Country of Publication:: United States

Language:: English

Citation Formats


                    Faraji-Dana, MohammadSadegh, Arbabi, Ehsan, Arbabi, Amir, and Faraon, Andrei. Compact folded metasurface spectrometer.  United States: N. p., 2021. 
        Web.

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                    Faraji-Dana, MohammadSadegh, Arbabi, Ehsan, Arbabi, Amir, & Faraon, Andrei. Compact folded metasurface spectrometer.  United States.

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                    Faraji-Dana, MohammadSadegh, Arbabi, Ehsan, Arbabi, Amir, and Faraon, Andrei. Tue .  
        "Compact folded metasurface spectrometer".  United States.  https://www.osti.gov/servlets/purl/1840358.

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@article{osti_1840358,

  title        = {Compact folded metasurface spectrometer},

  author       = {Faraji-Dana, MohammadSadegh and Arbabi, Ehsan and Arbabi, Amir and Faraon, Andrei},

  abstractNote = {Compact optical devices such as spectrometers are realized with metasurfaces within a dielectric medium confined by reflective surfaces. The metasurfaces control the phase profiles of the reflected electromagnetic waves within the device. In a compact spectrometer, the metasurfaces within the device separate the electromagnetic waves in different wavelengths. The metasurfaces are designed according to their phase profile by varying the size of the array of scatterers.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2021},

  month        = {8}

}

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