Reference : Qualification of large reflectors in space environment with a holographic camera based o...
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/78003
Qualification of large reflectors in space environment with a holographic camera based on a BSO crystal
English
Thizy, Cédric mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Stockman, Yvan mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Lemaire, Philippe [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Houbrechts, Yvette mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Mazzoli, Alexandra mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Georges, Marc mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Mazy, Emmanuel mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Tychon, Isabelle mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Doyle, D. [ > > ]
Ulbrich, G. [ > > ]
Jul-2005
Photorefractive Effects, Materials, and Devices
Zhang, G.
Kip, D.
Nolte, D.
Xu, J.
Optical Society of America
Trends in Optics and Photonics Series, TOPS, Vol. 99
707-713
Yes
No
International
1-55752-793-8
Washington DC
USA
Photorefractive Effects, Materials, and Devices (PR05)
19-23 July 2005
Nankai University
Sanya
China
[en] photorefractive crystals ; holographic interferometry ; space reflector
[en] The next generation of infrared - sub mm space telescopes requires some reflectors with large dimensions and high quality. These ones, according to weight issues, are based on composite materials for which the behaviors at low temperatures are badly known. A holographic interferometry method for the verification and validation of this type of reflectors in a space environment is presented. It is based on a dynamic holographic camera observing a diffuser illuminated by the object beam coming from the reflecting surface. Photorefractive crystals being self-processing and reusable mediums, the measuring range of the holographic camera is increased with respect to other optical interferometric methods. The metrological certification of the whole system was realised by the measurement of a parabolic antenna with a 1.1 meter diameter, a known behavior and placed in a simulated space environment
Agence spatiale européenne - ESA
Optical Ground Verification Method
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/78003

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