Integrated optics for astronomical interferometry [PDF]
Astronomy and Astrophysics Supplement Series, 1999 We propose a new instrumental concept for long-baseline optical single-mode interferometry using integrated optics which were developed for telecommunication. Visible and infrared multi-aperture interferometry requires many optical functions (spatial filtering, beam combination, photometric calibration, polarization control) to detect astronomical ...
F. Malbet +5 more
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Planar integrated optics and astronomical interferometry [PDF]
Comptes Rendus de l'Académie des Sciences - Series IV - Physics, 2001 Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of astronomical single mode interferometry. We review in this paper the principles of IO, the requirements for interferometry and the corresponding solutions offered by
Pierre Kern +4 more
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Integrated optics for astronomical interferometry [PDF]
Astronomy & Astrophysics, 2002 We report laboratory and on sky characterizations of planar integrated optics beam combiners in the K ([ 2.0 μ m; 2.4 μ m] ) and K' ([ 2.02 μ m; 2.30 μ m] ) bands. Because of the strong scientific interests of the K band, we have extended the integrated optics technologies available in the telecom range (i.e.
E. Laurent +8 more
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An Optimal Integral Controller for Adaptive Optics Systems [PDF]
Sensors, 2023 Integral controllers are commonly employed in astronomical adaptive optics. This work presents a novel tuning procedure for integral controllers in adaptive optics systems which relies on information about the measured disturbances. This tuning procedure
Pedro Escárate +3 more
doaj +2 more sources
Correction: Dou et al. Performance Calibration of the Wavefront Sensor’s EMCCD Detector for the Cool Planets Imaging Coronagraph Aboard CSST. J. Imaging 2025, 11, 203 [PDF]
Journal of ImagingThe authors would like to make the following corrections to the published paper [...]
Jiangpei Dou +7 more
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Performance Calibration of the Wavefront Sensor’s EMCCD Detector for the Cool Planets Imaging Coronagraph Aboard CSST [PDF]
Journal of ImagingThe wavefront sensor (WFS), equipped with an electron-multiplying charge-coupled device (EMCCD) detector, is a critical component of the Cool Planets Imaging Coronagraph (CPI-C) on the Chinese Space Station Survey Telescope (CSST). Precise calibration of
Jiangpei Dou +7 more
doaj +2 more sources
Astronomical Tasks for Tests of X-Ray Optics in VZLUSAT-1 Nanosatellite [PDF]
Advances in Astronomy, 2017 VZLUSAT-1 nanosatellite (scheduled launch in spring 2017 from India) is a CubeSat mission which, besides other instrumentation, contains X-ray desk to perform efficiency tests of the X-ray optics.
Martin Blazek +3 more
doaj +2 more sources
Modern Astronomical Optics [PDF]
Nature, 1956 Proceedings of a Symposium on Astronomical Optics and Related Subjects Held in the University of Manchester, April 19th–22nd, 1955. Ed. by Prof. Zdenek Kopal. Pp. xv + 428. (Amsterdam: North-Holland Publishing Co.; New York: Interscience Publishers, Inc., 1956.) 45 guilders; 90s.
E. Finlay-Freundlich
openalex +2 more sources
Astronomical adaptive optics: a review
PhotoniXSince the concept of adaptive optics(AO) was proposed in 1953, AO has become an indispensable technology for large aperture ground-based optical telescopes aimed at high resolution observations.
Changhui Rao +5 more
doaj +2 more sources
Integrated optics applied to astronomical aperture synthesis [PDF]
, 2018 Jean-Philippe Berger +2 more
exaly +2 more sources