Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Piron, Pierre"'
Autor:
Absil, Olivier, Mawet, Dimitri, Karlsson, Mikael, Carlomagno, Brunella, Christiaens, Valentin, Defrère, Denis, Delacroix, Christian, Femenía Castella, Bruno, Forsberg, Pontus, Girard, Julien, Gómez González, Carlos A., Habraken, Serge, Hinz, Philip M., Huby, Elsa, Jolivet, Aïssa, Matthews, Keith, Milli, Julien, Orban de Xivry, Gilles, Pantin, Eric, Piron, Pierre, Reggiani, Maddalena, Ruane, Garreth J., Serabyn, Gene, Surdej, Jean, Tristram, Konrad R. W., Vargas Catalán, Ernesto, Wertz, Olivier, Wizinowich, Peter
For several years, we have been developing vortex phase masks based on sub-wavelength gratings, known as Annular Groove Phase Masks. Etched onto diamond substrates, these AGPMs are currently designed to be used in the thermal infrared (ranging from 3
Externí odkaz:
http://hdl.handle.net/10150/622801
http://arizona.openrepository.com/arizona/handle/10150/622801
http://arizona.openrepository.com/arizona/handle/10150/622801
Autor:
Mawet, Dimitri, Choquet, Élodie, Absil, Olivier, Huby, Elsa, Bottom, Michael, Serabyn, Eugene, Femenia, Bruno, Lebreton, Jérémy, Matthews, Keith, Gonzalez, Carlos A. Gomez, Wertz, Olivier, Carlomagno, Brunella, Christiaens, Valentin, Defrère, Denis, Delacroix, Christian, Forsberg, Pontus, Habraken, Serge, Jolivet, Aissa, Karlsson, Mikael, Milli, Julien, Pinte, Christophe, Piron, Pierre, Reggiani, Maddalena, Surdej, Jean, Catalan, Ernesto Vargas
HD 141569 A is a pre-main sequence B9.5 Ve star surrounded by a prominent and complex circumstellar disk, likely still in a transition stage from protoplanetary to debris disk phase. Here, we present a new image of the third inner disk component of H
Externí odkaz:
http://hdl.handle.net/10150/625206
http://arizona.openrepository.com/arizona/handle/10150/625206
http://arizona.openrepository.com/arizona/handle/10150/625206
Autor:
Serabyn, Eugene, Huby, Elsa, Matthews, Keith, Mawet, Dimitri, Absil, Olivier, Femenia, Bruno, Wizinowich, Peter, Karlsson, Mikael, Bottom, Michael, Campbell, Randy, Carlomagno, Brunella, Defrère, Denis, Delacroix, Christian, Forsberg, Pontus, Gonzalez, Carlos Gomez, Habraken, Serge, Jolivet, Aissa, Liewer, Kurt, Lilley, Scott, Piron, Pierre, Reggiani, Maddalena, Surdej, Jean, Tran, Hien, Catalan, Ernesto Vargas, Wertz, Olivier
An optical vortex coronagraph has been implemented within the NIRC2 camera on the Keck II telescope and used to carry out on-sky tests and observations. The development of this new L'-band observational mode is described, and an initial demonstration
Externí odkaz:
http://arxiv.org/abs/1612.03093
Autor:
Mawet, Dimitri, Choquet, Élodie, Absil, Olivier, Huby, Elsa, Bottom, Michael, Serabyn, Eugene, Femenia, Bruno, Lebreton, Jérémy, Matthews, Keith, Gonzalez, Carlos A. Gomez, Wertz, Olivier, Carlomagno, Brunella, Christiaens, Valentin, Defrère, Denis, Delacroix, Christian, Forsberg, Pontus, Habraken, Serge, Jolivet, Aissa, Karlsson, Mikael, Milli, Julien, Pinte, Christophe, Piron, Pierre, Reggiani, Maddalena, Surdej, Jean, Catalan, Ernesto Vargas
HD 141569 A is a pre-main sequence B9.5 Ve star surrounded by a prominent and complex circumstellar disk, likely still in a transition stage from protoplanetary to debris disk phase. Here, we present a new image of the third inner disk component of H
Externí odkaz:
http://arxiv.org/abs/1612.03091
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Carlomagno, Brunella, Delacroix, Christian, Absil, Olivier, Forsberg, Pontus, Habraken, Serge, Jolivet, Aïssa, Karlsson, Mikael, Mawet, Dimitri, Piron, Pierre, Surdej, Jean, Catalan, Ernesto Vargas
The mid-infrared region is well suited for exoplanet detection thanks to the reduced contrast between the planet and its host star with respect to the visible and near-infrared wavelength regimes. This contrast may be further improved with Vector Vor
Externí odkaz:
http://arxiv.org/abs/1604.08355
Autor:
Jolivet, Aissa, Piron, Pierre, Huby, Elsa, Absil, Olivier, Delacroix, Christian, Mawet, Dimitri, Surdej, Jean, Habraken, Serge
Publikováno v:
Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91515P (July 18, 2014)
In this paper, we present the infrared coronagraphic test bench of the University of Li\`ege named VODCA (Vortex Optical Demonstrator for Coronagraphic Applications). The goal of the bench is to assess the performances of the Annular Groove Phase Mas
Externí odkaz:
http://arxiv.org/abs/1604.08334
Autor:
Ruane, Garreth J., Absil, Olivier, Huby, Elsa, Mawet, Dimitri, Delacroix, Christian, Carlomagno, Brunella, Piron, Pierre, Swartzlander Jr, Grover A.
Publikováno v:
Proc. SPIE 9605, Techniques and Instrumentation for Detection of Exoplanets VII, 96051I (2015)
We present methods for optimizing pupil and focal plane optical elements that improve the performance of vortex coronagraphs on telescopes with obstructed or segmented apertures. Phase-only and complex masks are designed for the entrance pupil, focal
Externí odkaz:
http://arxiv.org/abs/1509.05794
Autor:
Delacroix, Christian, Absil, Olivier, Carlomagno, Brunella, Piron, Pierre, Forsberg, Pontus, Karlsson, Mikael, Mawet, Dimitri, Habraken, Serge, Surdej, Jean
Publikováno v:
Proceedings of the SPIE, Volume 9147, id. 91478Y 9 pp. (2014)
One possible solution to achieve high contrast direct imaging at a small inner working angle (IWA) is to use a vector vortex coronagraph (VVC), which provides a continuous helical phase ramp in the focal plane of the telescope with a phase singularit
Externí odkaz:
http://arxiv.org/abs/1412.0384
Autor:
Absil, Olivier, Mawet, Dimitri, Delacroix, Christian, Forsberg, Pontus, Karlsson, Mikael, Habraken, Serge, Surdej, Jean, Absil, Pierre-Antoine, Carlomagno, Brunella, Christiaens, Valentin, Defrere, Denis, Gonzalez, Carlos Gomez, Huby, Elsa, Jolivet, Aissa, Milli, Julien, Piron, Pierre, Catalan, Ernesto Vargas, Van Droogenbroeck, Marc
(abridged) Vortex coronagraphs are among the most promising solutions to perform high contrast imaging at small angular separations. They feature a very small inner working angle, a clear 360 degree discovery space, have demonstrated very high contra
Externí odkaz:
http://arxiv.org/abs/1410.5635