An Ultra-Broadband High Efficiency Polarization Beam Splitter for High Spectral Resolution Polarimetric Imaging in the Near Infrared.
gap-plasmon metasurface
high-resolution multiple-species atmospheric profiler
plasmon hybridization
spatial-spectral-polarimetric images
Journal
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
ISSN: 2198-3844
Titre abrégé: Adv Sci (Weinh)
Pays: Germany
ID NLM: 101664569
Informations de publication
Date de publication:
Sep 2022
Sep 2022
Historique:
revised:
19
05
2022
received:
02
03
2022
pubmed:
14
7
2022
medline:
14
7
2022
entrez:
13
7
2022
Statut:
ppublish
Résumé
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.
Identifiants
pubmed: 35821385
doi: 10.1002/advs.202201227
pmc: PMC9507354
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2201227Subventions
Organisme : NASA Earth Science Technology Office directed Research and Technology Development (R&TD) task; Jet Propulsion Laboratory Strategic Initiative R&TD program; NASA Atmospheric Composition: Aura Science Team and Atmospheric Composition Modeling and Analysis Program
ID : #NNN13D455T
Organisme : Ministry of Science and Technology of Taiwan
ID : 110-2112-M-003-020-MY3
Informations de copyright
© 2022 The Authors. Advanced Science published by Wiley-VCH GmbH.
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