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Compact folded metasurface spectrometer

Patent ·
OSTI ID:1840358
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.
Research Organization:
California Inst. of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0001293
Assignee:
California Institute of Technology (Pasadena, CA)
Patent Number(s):
11,092,486
Application Number:
16/213,810
OSTI ID:
1840358
Country of Publication:
United States
Language:
English

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