@inproceedings{6c29486981b84729ae45a32c27bebed8,
title = "Microfabricated pinholes for high contrast imaging testbeds",
abstract = "In order to reach contrast ratios of 10−8 and beyond, coronagraph testbeds need source optics that reliably emulate nearly-point-like starlight, with microfabricated pinholes being a compelling solution. To verify, a physical optics model of the Space Coronagraph Optical Bench (SCoOB) source optics, including a finite-difference time-domain (FDTD) pinhole simulation, was created. The results of the FDTD simulation show waveguide-like behavior of pinholes. We designed and fabricated microfabricated pinholes for SCoOB made from an aluminum overcoated silicon nitride film overhanging a silicon wafer substrate, and report characterization of the completed pinholes.",
keywords = "Coronagraphy, high contrast imaging, microfabrication, pinhole, spatial filter",
author = "Jenkins, \{Emory L.\} and \{Van Gorkom\}, Kyle and Kevin Derby and Patrick Ingraham and Douglas, \{Ewan S.\}",
note = "Publisher Copyright: {\textcopyright} 2023 SPIE.; Techniques and Instrumentation for Detection of Exoplanets XI 2023 ; Conference date: 21-08-2023 Through 24-08-2023",
year = "2023",
doi = "10.1117/12.2677630",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Ruane, \{Garreth J.\}",
booktitle = "Techniques and Instrumentation for Detection of Exoplanets XI",
}