An Ultra‐Broadband High Efficiency Polarization Beam Splitter for High Spectral Resolution Polarimetric Imaging in the Near Infrared

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Abstract: A broadband, high efficiency polarized beam splitter (PBS) metagrating based on integrated resonant units (IRUs) to enable simultaneous polarization analysis, spectral dispersion, and spatial imaging in the near infrared (NIR) is developed. A PBS metagrating with a diameter of 60 mm is the key technology component of the high‐resolution multiple‐species atmospheric profiler in the NIR (HiMAP‐NIR), which is a spaceborne instrument concept crafted to be a core payload of NASA's new generation Earth System Observatory. HiMAP‐NIR will enable the aerosol profiling in Earth's planetary boundary layer (from surface to2 km altitude) by simultaneously measuring four spatial‐spectral‐polarimetric images from 680 to 780 nm. Through detailed optimization of hybridized resonant modes in IRUs, the PBS metagrating shows a diffraction efficiency of 70% (or better) for all four linear‐polarized incident light, and polarization contrasts between orthogonal states are 0.996 (or better) from 680 to 780 nm. It meets the stringent performance required by the HiMAP‐NIR exploiting a new paradigm for the broad applications of metasurfaces.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: An Ultra‐Broadband High Efficiency Polarization Beam Splitter for High Spectral Resolution Polarimetric Imaging in the Near Infrared ; day:12 ; month:07 ; year:2022 ; extent:10
Advanced science ; (12.07.2022) (gesamt 10)

Creator: Hsiao, Hui‐Hsin
Muller, Richard E.
McGuire, James P.
Nemchick, Deacon J.
Shen, Chin‐Hung
Harten, Gerard van
Rud, Mayer
Johnson, William R.
Nordman, Austin D.
Wu, Yen‐Hung
Wilson, Daniel W.
Chiou, Yih‐Peng
Choi, Myungje
Hyon, Jason J.
Fu, Dejian

DOI: 10.1002/advs.202201227

URN: urn:nbn:de:101:1-2022071315075598592936

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:28 AM CEST

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Associated

Hsiao, Hui‐Hsin
Muller, Richard E.
McGuire, James P.
Nemchick, Deacon J.
Shen, Chin‐Hung
Harten, Gerard van
Rud, Mayer
Johnson, William R.
Nordman, Austin D.
Wu, Yen‐Hung
Wilson, Daniel W.
Chiou, Yih‐Peng
Choi, Myungje
Hyon, Jason J.
Fu, Dejian

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