activity
20212024
most citedSensitivity of the Roman Coronagraph Instrument to Exozodiacal Dust

11 citations · 17 across the 10 of their papers we have counts for

collaborators

13 papers

astro-ph.IM2024

The space coronagraph optical bench (SCoOB): 3. Mueller matrix polarimetry of a coronagraphic exit pupil

Jaren N. Ashcraft, Ewan S. Douglas, Ramya M. Anche +4

High-contrast imaging in the next decade aims to image exoplanets at smaller angular separations and deeper contrasts than ever before. A problem that has recently garnered attenti…

astro-ph.IM2024

The Space Coronagraph Optical Bench (SCoOB): 5. End-to-end simulations of polarization aberrations

Ramya M Anche, Kyle J. Van Gorkom, Jaren N. Ashcraft +4

Polarization aberrations originating from the telescope and high-contrast imaging instrument optics introduce polarization-dependent speckles and associated errors in the image pla…

astro-ph.IM20241 cited

The space coronagraph optical bench (SCoOB): 4. vacuum performance of a high contrast imaging testbed

Kyle Van Gorkom, Ewan S Douglas, Kian Milani +8

The Space Coronagraph Optical Bench (SCoOB) is a high-contrast imaging testbed built to demonstrate starlight suppression techniques at visible wavelengths in a space-like vacuum e…

physics.optics2024

A Generalized Expression for Accelerating Beamlet Decomposition Simulations

Jaren N. Ashcraft, Ewan S. Douglas, Ramya Anche +7

Paraxial diffraction modeling based on the Fourier transform has seen widespread implementation for simulating the response of a diffraction-limited optical system. For systems whe…

astro-ph.EP2023

Simulation of high-contrast polarimetric observations of debris disks with the Roman Coronagraph Instrument

Ramya M Anche, Ewan Douglas, Kian Milani +5

The Nancy Grace Roman Space Telescope Coronagraph Instrument will enable the polarimetric imaging of debris disks and inner dust belts in the optical and near-infrared wavelengths,…

astro-ph.IM20233 cited

Hybrid propagation physics for the design and modeling of astronomical observatories: a coronagraphic example

Jaren N. Ashcraft, Ewan S. Douglas, Daewook Kim +1

For diffraction-limited optical systems an accurate physical optics model is necessary to properly evaluate instrument performance. Astronomical observatories outfitted with corona…