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Iva Laginja awarded the Olivier Chesneau 2023 prize

11 octobre 2023

On Wednesday October 4, 2023, the Prix Olivier Chesneau 2023 of the Observatoire de la Côte d’Azur was awarded to Iva Laginja, for her thesis work successfully defended in December 2021, at the Observatoire de Paris - PSL.

 Iva Laginja
Iva Laginja

Iva Laginja defended her thesis at the Laboratoire d’études spatiales et d’instrumentation en astrophysique de l’Observatoire de Paris - PSL, on the optimization of segmented space telescopes for exoEarth imaging, under the title : "Contrast based tolerancing of space telescopes for exoEarth imaging".

This thesis impressed the Chesneau prize jury, providing a broad overview of exoplanet detection methods and horizons, a solid theoretical study of tolerancing of segmented mirrors on large space telescopes, and an application and adaptation of this study on a laboratory experiment as well as the JWST, validating, through experiment on real data, the principles developed.

This work has also given rise to three peer-reviewed first-author articles : a significant enough number to be highlighted.

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Read also the information
on ESO website : "Olivier Chesneau Prize 2023"

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In addition to these scientific achievements, the jury noted Iva Laginja’s strong involvement in the scientific life of her field : very active in animating the high-contrast imaging community, she has demonstrated clear leadership, and actively mentors young researchers.

Congratulations to Iva Laginja, currently a post-doctoral fellow at the HRAA cluster in the high dynamics team at the Laboratoire d’études spatiales et d’instrumentation en astrophysique de l’Observatoire de Paris - PSL.

The Olivier Chesneau Prize
Le prix Olivier Chesneau 2023



Olivier Chesneau, one of the most active and prolific members of the optical interferometry community, passed away in May 2014. His Laboratoire J.-L. Lagrange at the Observatoire de la Côte d’Azur and ESO have created a prize in his memory.

Since 2015, the prize has been awarded every two years to the best doctoral thesis produced in the field of high angular resolution optical astronomy.