Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Jolissaint, Laurent"'
Publikováno v:
Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 114511S (2 February 2021)
We recently started to investigate how liquid-crystal on silicon (LCOS) spatial light modulator (SLM) would perform as programmable focal-plane phase mask (FPM) coronagraphs. Such "adaptive coronagraphs" could potentially help adapt to observing cond
Externí odkaz:
http://arxiv.org/abs/2102.03201
We present the last results of our PSF reconstruction (PSF-R) project for the Keck-II and Gemini-North AO systems in natural guide star mode. Our initial tests have shown that the most critical aspects of PSF-R are the determination of the system sta
Externí odkaz:
http://arxiv.org/abs/1202.3486
Autor:
Jolissaint, Laurent
We present an analytical model of a single natural guide star astronomical adaptive optics system, in closed loop mode. The model is used to simulate the long exposure system point spread function, using the spatial frequency (or Fourier) approach, a
Externí odkaz:
http://arxiv.org/abs/1009.1581
We present the results of an on-sky point spread function reconstruction (PSF-R) experiment for the Gemini North telescope adaptive optics system, Altair, in the simplest mode, bright on-axis natural guise star. We demonstrate that our PSF-R method d
Externí odkaz:
http://arxiv.org/abs/1007.2458
Autor:
Kendrew, Sarah, Jolissaint, Laurent, Brandl, Bernhard, Lenzen, Rainer, Pantin, Eric, Glasse, Alistair, Blommaert, Joris, Venema, Lars, Siebenmorgen, Ralf, Molster, Frank
We present results of performance modelling for METIS, the Mid-infrared European Extremely Large Telescope (E-ELT) Imager and Spectrograph. Designed by a consortium of NOVA (Netherlands), UK Astronomy Technology Centre (UK), MPIA Heidelberg (Germany)
Externí odkaz:
http://arxiv.org/abs/1006.4669
Autor:
Brandl, Bernhard R., Lenzen, Rainer, Pantin, Eric, Glasse, Alistair, Blommaert, Joris, Venema, Lars, Molster, Frank, Siebenmorgen, Ralf, Boehnhardt, Hermann, van Dishoeck, Ewine, van der Werf, Paul, Henning, Thomas, Brandner, Wolfgang, Lagage, Pierre-Olivier, Moore, Toby J. T., Baes, Maarten, Waelkens, Christoffel, Wright, Chris, Kaeufl, Hans Ulrich, Kendrew, Sarah, Stuik, Remko, Jolissaint, Laurent
METIS, the Mid-infrared ELT Imager and Spectrograph (formerly called MIDIR), is a proposed instrument for the European Extremely Large Telescope (E-ELT), currently undergoing a phase-A study. The study is carried out within the framework of the ESO-s
Externí odkaz:
http://arxiv.org/abs/0807.3271
This paper is concerned with the theoretical properties of high contrast coronagraphic images in the context of exoplanet searches. We derive and analyze the statistical properties of the residual starlight in coronagraphic images, and describe the e
Externí odkaz:
http://arxiv.org/abs/0706.1739
Autor:
Ren, Deqing, Jolissaint, Laurent, Zhang, Xi, Dou, Jianpei, Chen, Rui, Zhao, Gang, Zhu, Yongtian
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2015 May 01. 127(951), 469-478.
Externí odkaz:
https://www.jstor.org/stable/10.1086/681672
Autor:
Zhelem, Ross, Content, Robert, Churilov, Vladimir, Kripak, Yevgen, Waller, Lew, Case, Scott, Mali, Slavko, Muller, Rolf, Gonzalez, Mario, Adams, Dave, Binos, Nick, Chin, Timothy, Farrell, Tony, Klauser, Urs, Kondrat, Yuriy, Kunwar, Nirmala, Lawrence, Jon, Lorente, Nuria, Luo, Summer, McDonald, Erica, McGregor, Helen, Nichani, Vijay, Pai, Naveen, Vuong, Minh, Zahoor, Jahanzeb, Zheng, Jessica, Norris, Barnaby, Bryant, Julia, Vaccarella, Annino, Herrald, Nick, Gilbert, James, Yeşilyaprak, Cahit, Güçsav, Bülent, Coker, Deniz, Keskin, Onur, Jolissaint, Laurent
Publikováno v:
Ground-based and Airborne Instrumentation for Astronomy IX.
The 4m DAG telescope is under construction at East Anatolia Observatory in Turkey. DIRAC, the " DAG InfraRed Adaptive optics Camera", is one of the facility instruments. This paper describes the design of the camera to meet the performance specificat
Autor:
Andersen, David R., Stoesz, Jeff, Morris, Simon, Lloyd‐Hart, Michael, Crampton, David, Butterley, Tim, Ellerbroek, Brent, Jolissaint, Laurent, Milton, N. Mark, Myers, Richard, Szeto, Kei, Tokovinin, Andrei, Véran, Jean‐Pierre, Wilson, Richard
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2006 Nov . 118(849), 1574-1590.
Externí odkaz:
https://www.jstor.org/stable/10.1086/509266