7 citations · 21 across the 22 of their papers we have counts for
24 papers
First laboratory demonstration of iEFC for high-contrast imaging at small angular separation on ELT scales
Charles Sallard, Patrice Martinez, Alain Spang +7
Implicit electric field conjugation (iEFC) is an efficient, model-free wavefront control technique for dark hole creation. Its model-free nature, relying on calibration with real d…
The Space Coronagraph Optical Bench (SCoOB): 11. Modeling and correction of chromatic aberrations
Kyle Van Gorkom, Ramya M. Anche, Saraswathi Kalyani Subramanian +12
The space coronagraph optical bench (SCoOB) is a high contrast imaging testbed designed to demonstrate starlight suppression techniques at visible wavelengths in a space-like vacuu…
The Space Coronagraph Optical Bench (SCoOB): X. Dark zone maintenance
Saraswathi Kalyani Subramanian, Kyle Van Gorkom, Ramya Anche +12
The Space Coronagraph Optical Bench (SCoOB) is a vacuum high contrast imaging testbed designed to demonstrate starlight suppression at optical wavelengths and obtain contrasts bett…
The Lazuli Space Observatory: Architecture & Capabilities
Arpita Roy, Stuart Feldman, Pete Klupar +51
The Lazuli Space Observatory is a 3-meter aperture astronomical facility designed for rapid-response observations and precision astrophysics across visible to near-infrared wavelen…
The Space Coronagraph Optical Bench (SCoOB): 8. end-to-end numerical modeling of the testbed to estimate the contrast limits
Ramya M Anche, Kyle Van Gorkom, Kian Milani +9
The space coronagraph optical bench (SCoOB) at the University of Arizona is a high-contrast imaging testbed designed to operate in a vacuum to obtain a contrast better than 1e-8 in…
The Space Coronagraph Optical Bench (SCoOB): 7. design, fabrication, and first light for a self-coherent camera
Kevin Derby, Kian Milani, Grace C. Hathaway +10
The 2020 Decadal Survey on Astronomy and Astrophysics tasked future space observatories with the goal of detecting and characterizing a large sample of Earth-like exoplanets. To ac…
The Space Coronagraph Optical Bench (SCoOB): 6. demonstration of Lyot low order wavefront control combined with high order wavefront control using a vortex coronagraph
Kian Milani, Kyle Van Gorkom, Chris B. Mendillo +6
To reach and maintain high contrast levels, coronagraph instruments will require a combination of low-order and high-order wavefront control techniques to correct for dynamic wavef…
Analyzing Misalignment Tolerances for Implicit Electric Field Conjugation
Joshua Liberman, Sebastiaan Y. Haffert, Jared R. Males +1
High contrast imaging of extrasolar planets and circumstellar disks requires extreme wavefront stability. Such stability can be achieved with active wavefront control (WFC). The ne…
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…
Optical modeling for the evaluation of HOWFSC on embedded processors
Kian Milani, Ewan Douglas, Leonid Pogorelyuk +5
The correction of quasi-static wavefront errors within a coronagraphic optical system will be a key challenge to overcome in order to directly image exoplanets in reflected light.…
Modeling and performance analysis of Implicit Electric Field Conjugation with two deformable mirrors applied to the Roman Coronagraph
Kian Milani, Ewan S. Douglas, Sebastiaan Y. Haffert +1
High-order wavefront sensing and control (HOWFSC) is key to create a dark hole region within the coronagraphic image plane where high contrasts are achieved. The Roman Coronagraph…
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…
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,…
Integrated modeling of wavefront sensing and control for space telescopes utilizing active and adaptive optics
Kevin Z. Derby, Kian Milani, Solvay Blomquist +9
Extreme wavefront correction is required for coronagraphs on future space telescopes to reach 1e-8 or better starlight suppression for the direct imaging and characterization of ex…
Poke: An open-source ray-based physical optics platform
Jaren N. Ashcraft, Ewan S. Douglas, Daewook Kim +8
Integrated optical models allow for accurate prediction of the as-built performance of an optical instrument. Optical models are typically composed of a separate ray trace and diff…
Simulating the efficacy of the implicit-electric-field-conjugation algorithm for the Roman Coronagraph with noise
Kian Milani, Ewan Douglas, Sebastiaan Haffert +1
The Roman Coronagraph is expected to perform its high-order wavefront sensing and control (HOWFSC) with a ground-in-the-loop scheme due to the computational complexity of the Elect…
Estimation of polarization aberrations and their effect on the coronagraphic performance for future space telescopes
Ramya M Anche, Sebastiaan Y. Haffert, Jaren N Ashcraft +5
A major goal of proposed future space observatories, such as the Habitable World Observatory, is to directly image and characterize Earth-like planets around Sun-like stars to sear…
The space coronagraph optical bench (SCoOB): 2. wavefront sensing and control in a vacuum-compatible coronagraph testbed for spaceborne high-contrast imaging technology
Kyle Van Gorkom, Ewan S. Douglas, Jaren N. Ashcraft +9
The 2020 Decadal Survey on Astronomy and Astrophysics endorsed space-based high contrast imaging for the detection and characterization of habitable exoplanets as a key priority fo…
The Space Coronagraph Optical Bench (SCoOB): 1. Design and Assembly of a Vacuum-compatible Coronagraph Testbed for Spaceborne High-Contrast Imaging Technology
Jaren N. Ashcraft, Heejoo Choi, Ewan S. Douglas +14
The development of spaceborne coronagraphic technology is of paramount importance to the detection of habitable exoplanets in visible light. In space, coronagraphs are able to bypa…
Simulations of polarimetric observations of debris disks through the Roman Coronagraph Instrument
Ramya Manjunath Anche, Ewan S. Douglas, Kian Milani +2
The Roman coronagraph instrument will demonstrate high-contrast imaging technology, enabling the imaging of faint debris disks, the discovery of inner dust belts, and planets. Pola…
Design of the vacuum high contrast imaging testbed for CDEEP, the Coronagraphic Debris and Exoplanet Exploring Pioneer
Erin R. Maier, Ewan S. Douglas, Daewook Kim +26
The Coronagraphic Debris Exoplanet Exploring Payload (CDEEP) is a Small-Sat mission concept for high contrast imaging of circumstellar disks. CDEEP is designed to observe disks in…
Updated simulation tools for Roman coronagraph PSFs
Kian Milani, Ewan S. Douglas, Jaren Ashcraft
The Nancy Grace Roman Space Telescope Coronagraph Instrument will be the first large scale coronagraphmission with active wavefront control to be operated in space and will demonst…
Faster imaging simulation through complex systems: a coronagraphic example
Kian Milani, Ewan S. Douglas
End-to-end simulation of the influence of the optical train on the observed scene is important across optics and is particularly important for predicting the science yield of astro…
A review of simulation and performance modeling for the Roman coronagraph instrument
Ewan S. Douglas, Jaren N. Ashcraft, Ruslan Belikov +10
The Nancy Grace Roman Space Telescope Coronagraph Instrument (CGI) will be capable of characterizing exoplanets in reflected light and will demonstrate space technologies essential…