----------------------------------------------- ------ Jaren N. Ashcraft ---------------------- ----------------------------------------------- ----------------------------------------------- ---------------------- Optical Scientist ------ -----------------------------------------------** About ** Optical Engineer III, NASA Jet Propulsion Laboratory / High-contrast Imaging Group NHFP Sagan Fellow, UC Santa Barbara, 2024-2026 Ph.D., M.S., Optical Sciences, University of Arizona, 2019-2024 B.S., Optical Engineering, University of Rochester, 2015-2019 curriculum vitae ** Contact ** (808)-854-7542 jarenashcraft@ucsb.edu ** Research ** Polarization Aberrations in NASA's Habitable Worlds Observatory Yields 2026| 6MST 2025 Polarization Aberrations in 30m Ground-based Telescopes GSMTs II 2025 | GSMTs I 2023 Gaussian Beamlet Decomposition for High-contrast Imaging 2024 | 2023 | JATIS Cover The Space Coronagraph Optical Bench (SCoOB) 2026b | 2026a 2025c | 2025b | 2025a 2024a | 2024b | 2024c 2022a | 2022b The Versatile CubeSat Telescope 2021 ** Open-source Tools ** Poke: Ray-based Physical Optics 2023 | GH Repository | Docs Katsu: Mueller Matrices and Polarimetric Data Reduction JOSS Paper | GH Repository dygdug: Coronagraph Optimization and Focal-plane Wavefront Sensing GH Repository ** Resources ** Public Talks