Photonic Structures Optimization Using Highly Data-Efficient Deep Learning: Application To Nanofin And Annular Groove Phase Masks

1 code implementation • 5 Sep 2023 • Nicolas Roy, Lorenzo König, Olivier Absil, Charlotte Beauthier, Alexandre Mayer, Michaël Lobet

This study aims to introduce a surrogate optimization framework for these devices.

NA-SODINN: a deep learning algorithm for exoplanet image detection based on residual noise regimes

no code implementations • 6 Feb 2023 • Carles Cantero, Olivier Absil, Carl-Henrik Dahlqvist, Marc Van Droogenbroeck

Supervised deep learning was recently introduced in high-contrast imaging (HCI) through the SODINN algorithm, a convolutional neural network designed for exoplanet detection in angular differential imaging (ADI) datasets.

Benchmarking Specificity

Improving the RSM map exoplanet detection algorithm: PSF forward modelling and optimal selection of PSF subtraction techniques

no code implementations • 9 Dec 2020 • Carl-Henrik Dahlqvist, Olivier Absil

Finally, we present a new framework to generate contrast curves based on probability maps.

Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics

High contrast imaging for the enhanced resolution imager and spectrometer (ERIS)

no code implementations • 3 Dec 2020 • Matthew A. Kenworthy, Frans Snik, Christoph U. Keller, David Doelman, Emiel H. Por, Olivier Absil, Brunella Carlomagno, Mikael Karlsson, Elsa Huby, Adrian M. Glauser, Sascha P. Quanz, William D. Taylor

ERIS is a diffraction limited thermal infrared imager and spectrograph for the Very Large Telescope UT4.

Instrumentation and Methods for Astrophysics