Dr. Alexander Chaushev Profile

Dr. Alexander Chaushev

at Univ of California Irvine

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Author

Publications (3)

Proceedings Article | 5 October 2023 Presentation + Paper

Image reconstruction for kernel phase interferometry with SCExAO/CHARIS using gradient descent

Alexander Chaushev, Stephanie Sallum

Proceedings Volume 12680, 126800O (2023) https://doi.org/10.1117/12.2677213

KEYWORDS: Stars, Machine learning, Reconstruction algorithms, Phase measurement, Binary data, Image processing, Astronomical interferometry

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SPIE Journal Paper | 3 May 2023 Open Access

Spectrally dispersed kernel phase interferometry with SCExAO/CHARIS: proof of concept and calibration strategies

Alexander Chaushev, Steph Sallum, Julien Lozi, Frantz Martinache, Jeffrey Chilcote, Tyler Groff, Olivier Guyon, N. Jeremy Kasdin, Barnaby R. Norris, Andrew Skemer

JATIS, Vol. 9, Issue 02, 028004, (May 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.2.028004

KEYWORDS: Calibration, Point spread functions, Data modeling, Binary data, Phase interferometry, Stars, Iterated function systems, K band, Spatial frequencies, Error analysis

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Proceedings Article | 26 August 2022 Presentation + Paper

Spectral differential imaging using kernel phase with CHARIS/SCExAO: technique performance and current limitations

Alexander Chaushev, Stephanie Sallum, Julien Lozi, Frantz Martinache, Jeffrey Chilcote, Tyler Groff, Olivier Guyon, N. Jeremy Kasdin, Barnaby Norris, Andrew Skemer

Proceedings Volume 12183, 121831L (2022) https://doi.org/10.1117/12.2629558

KEYWORDS: Calibration, Binary data, Data modeling, Stars, Telescopes, K band, Adaptive optics

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