Patrick Ingraham

On-orbit coarse alignment of three mirror anastigmat telescopes utilizing blind scanning and stochastic processes

Solvay Blomquist, Heejoo Choi, Hyukmo Kang, Ryan Luu et autres

Optical alignment of an astronomical three-mirror anastigmat (TMA) telescope is a challenging endeavor where misalignments may degrade image quality beyond what is possible to correct using simple wavefront measurement techniques. Traditionally, the primary and secondary mirrors of large-scale telescopes are aligned with …

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Tiny Observatory for Telescope Optimization (TOTO): testing algorithms for autonomous on-orbit alignment for space-based telescope systems

Solvay Blomquist, Sanchit Sabhlok, Hyukmo Kang, Maggie Kautz et autres

The Tiny Observatory for Telescope Optimization (TOTO) is an optical testbed designed to evaluate the efficacy of autonomously driven alignment algorithms for space-based telescope systems. For space-based missions, active control of the telescope alignment on-orbit offers potential to relax passive alignment requirements …

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The Space Coronagraph Optical Bench (SCoOB): 11. Modeling and correction of chromatic aberrations

Kyle Van Gorkom, Ramya M. Anche, Saraswathi Kalyani Subramanian, William Melby et autres

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 vacuum environment. Since the previous proceedings, the testbed has undergone major component upgrades, including a 100%-yield BMC Kilo-C …

The Lazuli Space Observatory

Guðmundur Stefánsson, Arpita Roy, Gabor Furesz, Pete Klupar et autres

The Space Coronagraph Optical Bench (SCoOB): 11. Modeling and correction of chromatic aberrations

Kyle Van Gorkom, Ramya M. Anche, Saraswathi Kalyani Subramanian, William Melby et autres

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 vacuum environment. Since the previous proceedings, the testbed has undergone major component upgrades, including a 100%-yield BMC Kilo-C …

us (code pays fourni par la source)

Testing of machine learning wavefront sensing algorithms on the Tiny Observatory for Telescope Optimization (TOTO) testbed

Sanchit Sabhlok, Solvay Blomquist, Maggie Y, Kautz et autres

Phase retrieval techniques are utilized to correct low order wavefront aberrations originating from misalignments of the optical system in space based telescope concepts. Traditional phase retrieval involves observation of the Point Spread Function (PSF) and a diversity measurement, usually focus diversity although …

Testing of machine learning wavefront sensing algorithms on the Tiny Observatory for Telescope Optimization (TOTO) testbed

Sanchit Sabhlok, Solvay Blomquist, Maggie Y, Kautz et autres

Phase retrieval techniques are utilized to correct low order wavefront aberrations originating from misalignments of the optical system in space based telescope concepts. Traditional phase retrieval involves observation of the Point Spread Function (PSF) and a diversity measurement, usually focus diversity although …

us (code pays fourni par la source)

Tiny Observatory for Telescope Optimization (TOTO): testing algorithms for autonomous on-orbit alignment for space-based telescope systems

Solvay Blomquist, Sanchit Sabhlok, Hyukmo Kang, Maggie Kautz et autres

The Tiny Observatory for Telescope Optimization (TOTO) is an optical testbed designed to evaluate the efficacy of autonomously driven alignment algorithms for space-based telescope systems. For space-based missions, active control of the telescope alignment on-orbit offers potential to relax passive alignment requirements …

us (code pays fourni par la source)

Open-source Python pipeline for optical performances and alignment analysis using ray-tracing tools

Pierre R. Nicolas, Patrick Ingraham, Heejoo Choi, Ewan S. Douglas et autres

This paper presents a fast, accurate, and easily integratable open-source pipeline for analyzing optical system performance under mechanical and thermal perturbations. Built on the Batoid ray-tracing library, the method replaces complex multi-tool workflows with a unified Python-based framework. It processes design variations …

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Testing of machine learning wavefront sensing algorithms on the Tiny Observatory for Telescope Optimization (TOTO) testbed

S. Sabhlok, Solvay Blomquist, Maggie Kautz, D. Biswas et autres

Low Thrust Electric Propulsion Mission Concepts For a 3-Meter Class Space Telescope

Yael M. Brynjegard-Bialik, Mohamed Nassif, Drew Latta, Neel Kunjur et autres

Space-based telescopes benefit from operating in stable orbital environments with reduced exposure to radiation and thermal fluctuations in order to minimize cost and maximize time for high-quality observations. Finding this ideal environment proves beneficial particularly for exoplanet discovery and characterization; direct imaging …

Low Thrust Electric Propulsion Mission Concepts For a 3-Meter Class Space Telescope

Yael M. Brynjegard-Bialik, Mohamed Nassif, Drew Latta, Neel Kunjur et autres

Space-based telescopes benefit from operating in stable orbital environments with reduced exposure to radiation and thermal fluctuations in order to minimize cost and maximize time for high-quality observations. Finding this ideal environment proves beneficial particularly for exoplanet discovery and characterization; direct imaging …

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