Dr. Jonathan B. Ashcom Profile

Dr. Jonathan B. Ashcom

at MIT Lincoln Lab

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Author

Publications (3)

Proceedings Article | 28 August 2024 Presentation + Paper

Fringe tracking controller modeling for a stellar imaging CubeSat optical interferometer

Mason Black, Leonid Pogorelyuk, Jonathan Ashcom, Kerri Cahoy

Proceedings Volume 13095, 130951I (2024) https://doi.org/10.1117/12.3020092

KEYWORDS: Optical path differences, Visibility, Astronomical interferometers, Vibration, Sensors, Beam combiners, Space operations, Fiber couplers, Signal filtering, Stellar interferometry

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Proceedings Article | 13 January 2021 Poster + Presentation + Paper

Measurements of the isopistonic angle using masked aperture interferometry

Ryan Allured, Jonathan Ashcom, Philip Chapnik

Proceedings Volume 11446, 1144633 (2021) https://doi.org/10.1117/12.2564951

KEYWORDS: Interferometry, Stars, Atmospheric optics, Optical interferometry, Adaptive optics, Optical calibration, Telescopes, Data processing

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SPIE Journal Paper | 2 September 2020

Pupil densification in the context of extended source imaging

Ryan Allured, Jonathan Ashcom

OE, Vol. 59, Issue 09, 093101, (September 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.9.093101

KEYWORDS: Signal to noise ratio, Point spread functions, Modulation transfer functions, Diffraction, Wavefronts, Interferometers, Optical engineering, Interferometry, Sensors, Image quality

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