Optical measurements of the silicon vacuum window with anti-reflective sub-wavelength structure for ASTE Band 10

M Nagai, S Ezaki, R Sakai, K Kaneko, H Imada… - Applied Optics, 2023 - opg.optica.org
For millimeter and submillimeter-wave astronomy, it is highly desirable to have vacuum
windows within the receiver cryostat that exhibit low reflection, low loss, and a wide …

Optimized two-layer motheye structures for MgAl2O4 spinel ceramic windows

C Tu, J Hu, CR Menyuk, TF Carruthers… - OSA …, 2021 - opg.optica.org
We computationally study two-layer motheye nanostructures fabricated on MgAl_2O_4
spinel ceramic windows. We investigated the parameters of the structure, including height …

Flat low-loss silicon gradient index lens for millimeter and submillimeter wavelengths

F Defrance, C Jung-Kubiak, S Rahiminejad… - Journal of Low …, 2020 - Springer
We present the design, simulation, and planned fabrication process of a flat high resistivity
silicon gradient index (GRIN) lens for millimeter and submillimeter wavelengths with very …

Fabrication of three-layer silicon antireflection structures in 200–450 GHz using deep reactive ion etching

T Hasebe, T Hayashi, Y Shohmitsu, T Nitta… - Applied Optics, 2021 - opg.optica.org
We developed broadband antireflection structures for millimeter-wave and submillimeter-
wave applications, particularly cryogenic applications. The structures were fabricated on …

Optimal dimensions of cone and pyramid moth-eye structures for windows

C Tu, J Hu, CR Menyuk, TF Carruthers… - arXiv preprint arXiv …, 2023 - arxiv.org
We computationally investigate the transmission efficiency through moth-eye nanostructures
that are fabricated on $\mathrm {SiO} _ {2} $ windows in the wavelength range from 0.4 to …

[PDF][PDF] Optimal dimensions of cone and pyramid moth-eye structures for SiO₂ windows

C Tu, J Hu, C Menyuk, T Carruthers, LB Shaw… - UMBC Faculty … - mdsoar.org
We computationally investigate the transmission efficiency through moth-eye nanostructures
that are fabricated on SiO₂ windows in the wavelength range from 0.4 to 2 μm. We …

Optimized two-layer motheye structures for MgAl₂O₄ spinel ceramic windows

C Tu, J Hu, C Menyuk, TF Carruthers, LB Shaw… - 2021 - mdsoar.org
We computationally study two-layer motheye nanostructures fabricated on MgAl₂O₄ spinel
ceramic windows. We investigated the parameters of the structure, including height, width …