2 papers
astro-ph.IM2018
A 1.6:1 Bandwidth Two-Layer Antireflection Structure for Silicon Matched to the 190-310 GHz Atmospheric Window
Fabien Defrance, Cecile Jung-Kubiak, Jack Sayers +7
Although high-resistivity, low-loss silicon is an excellent material for THz transmission optics, its high refractive index necessitates antireflection treatment. We fabricated a w…
astro-ph.IM2018
Stacked Wafer Gradient Index Silicon Optics with Integral Anti-reflection Layers
F. Defrance, G. Chattopadhyay, J. Connors +8
Silicon optics with wide bandwidth anti-reflection (AR) coatings, made of multi-layer textured silicon surfaces, are developed for millimeter and submillimeter wavelengths. Single…