3 papers
astro-ph.IM2026
Focal plane modal estimation of high-order wavefront drifts on coronagraphic testbeds
Saikrishna Manojkumar, Susan F. Redmond, Leonid Pogorelyuk +4
The upcoming Habitable Worlds Observatory (HWO) requires precise wavefront stability over long observation periods to directly image Exo-Earths, which are 10 orders of magnitude di…
astro-ph.IM2026
Modal estimation of high-order wavefront drifts on coronagraphic testbeds for high-contrast direct imaging of exoplanets
Saikrishna Manojkumar, Susan F. Redmond, Leonid Pogorelyuk +13
Long-term wavefront stability will be critical for the upcoming Habitable Worlds Observatory which aims to directly image exo-Earths. Mechanical and thermal instabilities induce sl…
astro-ph.IM2025
A parameter scan of dark zone maintenance for high-contrast imaging of exoplanets using theoretical and experimental implementations
Saikrishna Manojkumar, Christine L. Page, Leonid Pogorelyuk +14
Maintaining wavefront stability while directly imaging exoplanets over long exposure times is an ongoing problem in the field of high-contrast imaging. Robust and efficient high-or…