Texturation par laser femtoseconde d'une lentille de Fresnel à gradient d'indice pour des applications en imagerie dans le moyen infrarouge

Autor: Delullier, Pierre, Druart, Guillaume, de La Barrière, Florence, Calvez, Laurent, Lancry, Matthieu

Publikováno v: OPTRO 2022 : 10th International Symposium on OPTRONICS IN DEFENCE AND SECURITY
OPTRO 2022 : 10th International Symposium on OPTRONICS IN DEFENCE AND SECURITY, Jun 2022, Versailles, France

International audience; Un défi important dans l'imagerie infrarouge consiste aujourd'hui à résoudre le problème SWaP (Size, Weight and Power), par exemple en simplifiant autant que possible le système optique avant le capteur. Ce travail tire p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2755::3ffeaf9183ebb7a79ccad2785a1b95cf
https://hal.science/hal-03838188

Texturation par laser femtoseconde d'une lentille de Fresnel dans une lame optique pour des applications en imagerie dans le moyen infrarouge

Autor: Florence de la Barrière, Guillaume Druart, Laurent Calvez, Pierre Delullier, Matthieu Lancry

Publikováno v: SPIE Optifab 2021
SPIE Optifab 2021, Oct 2021, Rochester, United States. pp.1188912, ⟨10.1117/12.2600695⟩

International audience; An important challenge in infrared imaging today consists in addressing the SWaP problem (Size, Weight and Power), for example by simplifying as much as possible the optical system before the sensor. The work presented in this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e03ac9f827c72a3e76d9019604b4edb0
https://hal.science/hal-03482773/file/DOTA21166.1639648775_preprint.pdf

Stratégies de conception d'un télescope à trois mirroirs freeforms sans obstruction pour l'imagerie infrarouge par nanosatellite

Autor: Louis Duveau, Emmanuel Hugot, Xavier Briottet, Thierry Lépine, Guillaume Druart

Publikováno v: International Conference on Space Optics-ICSO 2021
International Conference on Space Optics-ICSO 2021, Mar 2021, Online, France. pp.118520C, ⟨10.1117/12.2599153⟩

International audience; The new degrees of freedom offered by the new family of freeform surfaces helps compensating for off axis aberrations in optical designs. We define a freeform surface as a non-rotationally symmetric surface which cannot be des

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71fb31a41674a1b219075f8a97f3882a
https://hal.science/hal-03264451

Differential method for freeform optics applied to two-mirror off-axis telescope design

Autor: Guillaume Druart, Jean-Baptiste Volatier

Publikováno v: Optics Letters
Optics Letters, Optical Society of America-OSA Publishing, 2019, 44 (5), pp.1174-1177. ⟨10.1364/OL.44.001174⟩

International audience; In this Letter, we present a method to design the freeform surfaces of an off-axis unobscured two-mirror telescope by integration of a system of differential equations. The system is derived from the differentiation of Fermat�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9098ec14073bf1131466af5605a5597
https://hal.archives-ouvertes.fr/hal-02317596/file/DOTA18256.1569574413_postprint.pdf

Etude et optimisation d’un système optique de type lunette pour la réalité augmentée

Autor: Yang, Jianming

Publikováno v: Optics / Photonic. Université de Strasbourg, 2018. English. ⟨NNT : 2018STRAD007⟩

We propose a new concept to improve notably the fields-of-view (FOV) of the near to eye displays (NEDs) for augmented reality. Two waveguides are stacked with a small air gap between them. The light coupled in the first waveguide by the in-coupler pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9b629cdaf30f8496c61a4e09078cf2e6
https://theses.hal.science/tel-02918135/file/YANG_Jianming_2018_ED269.pdf