Rose Johnson, Debabrata Mandal, Zihao Zou, Jessie Wei, Anna Wirth-Singh, Vladimir Yarmolik, Johannes Froech, Arka Majumdar · 2026 · arXiv
DOI: 10.48550/arXiv.2610.29841 · open-access PDF
Inframerah gelombang pertengahan (MWIR, 3-5 mikron) sangat penting untuk sensor termal, deteksi gas, pencitraan jarak jauh, dan komunikasi optik ruang bebas. Meta-optik menawarkan kompak, ringan, dan potensial alternatif biaya rendah untuk optik refraktif konvensional, membuat mereka menarik untuk ukuran, berat, dan daya (SWaP) sistem terbatas. Namun, dispersi kromatik yang kuat mereka telah sebagian besar membatasi pencitraan untuk band spektral sempit. Di sini, kami menunjukkan pencitraan broadband di seluruh 3-5 mikron MWIR band menggunakan satu lapisan metasurface silikon dikombinasikan dengan rekonstruksi komputasi
Machine translation (Meta M2M100); the English original follows.
The mid-wave infrared (MWIR, 3-5 microns) is indispensable for thermal sensing, gas detection, long-range imaging, and free-space optical communications. Meta-optics offer a compact, lightweight, and potentially low-cost alternative to conventional refractive optics, making them attractive for size, weight, and power (SWaP)-constrained systems. However, their strong chromatic dispersion has largely restricted imaging to narrow spectral bands. Here, we demonstrate broadband imaging across the full 3-5 micron MWIR band using a single-layer silicon metasurface coupled with computational reconstru
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