&lt;title&gt;XMM flight mirror modules with reflection grating assembly and x-ray baffle testing&lt;/title&gt;

Stockman, Yvan; Domken, Isabelle; Hansen, Hebert; Tock, Jean Philippe; Decker, Todd; Rasmussen, Andrew; Boggende, A. J. F. den; Herder, Jan-Willem den; Paerels, F.; Bagnasco, G.; Chambure, Daniel de; Erd, C.; Gondoin, P.

doi:10.1117/12.330313

Cited by 7 publications

(3 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This is possible if the inner MS is not yet integrated, otherwise the parabola shadows the hyperbola section. 6. LESSONS LEARNT Many lessons have been learnt during these last 5 years of facility development, operation, MM manufacturing and testing.…”

mentioning

confidence: 98%

<title>XMM flight model mirror module testing</title>

et al. 1999

Self Cite

View full text Add to dashboard Cite

In the frame of the X-ray Multi Mirror Mission (XMM), the second European Space Agency (ESA) cornerstone project, in total five Flight Models of the Mirror Module have been built. The Mirror Modules are the optical heart of the satellite. Each Mirror Module contains 58 X-ray optical quality Mirror Shells which have been produced and integrated by Media Lano. Each of these Mirror Modules has been tested in the Centre Spatial de Liege (CSL) FOCAL-X facility. The goal of these tests was to measure the optical performance of the Mirror Modules under simulated launch and in-orbit configurations, and to perform some calibration on the Mirror Modules. To achieve these goals, a full EUV (58.4 nm) collimated beam is used to assess the optical characteristic in a representative flight configuration. The X-ray performance is controlled by means of an X-ray pencil beam and an X-ray collimator. The pencil beam is used for the determination of the Mirror Shell position, wing scattering and X-ray reflectivity measurements, the later one for the effective area measurement over 1 .5 to 8 keV energy range. This paper mainly deals with the latest results achieved on the Flight Model 4 Mirror Assembly and the fifth Flight Mirror Module. The first one is integrated on the spacecraft, the second has been built to serve as an additional spare flight MM of the highest quality and to further develop the mirror module production and measurement process. After the presentation of these test results, the lessons learnt from the manufacturing and the testing of the mirrors will be presented.

show abstract

mentioning

confidence: 98%

<title>XMM flight model mirror module testing</title>

et al. 1999

Self Cite

View full text Add to dashboard Cite

show abstract

“…The Centre Spatial de Liege (CSL) has been involved since twenty years in the characterization and evaluation of stray light for space instruments (ref [1] to [5]). Today CSL is developing a new facility for the stray light characterization of small earth observation satellites.…”

Section: Introductionmentioning

confidence: 99%

Conceptual design of a stray light facility for Earth observation satellites

Stockman

Hellin

Marcotte

et al. 2017

International Conference on Space Optics — ICSO 2012

View full text Add to dashboard Cite

show abstract

“…The Centre Spatial de Liege (CSL) has been involved since twenty years in the characterization and evaluation of stray light for space instruments (ref [1] to [5]). Today CSL is developing a new stray light facility for the stray light characterization of small earth observation satellites.…”

Section: Introductionmentioning

confidence: 99%

Design and modelisation of a straylight facility for space optical instrument

2012

View full text Add to dashboard Cite

In the framework of instrument calibration, straylight issues are a critical aspect that can deteriorate the optical performances of instrument. To cope with this, a new facility is designed dedicated for in-field and far field straylight characterization: up to 10 -8 for in-field and up to 10 -10 for far field straylight in the visible to NIR spectral ranges. Moreover, from previous straylight test performed at CSL, vacuum conditions are needed for reaching the 10 -10 rejection requirement mainly to avoid air/dust diffusion. The major constrains are to design a straylight facility either for in-field and out-field straylight measurements. That requires high dynamic range at source level and a high radiance point source allowing small diverging collimated beam. Moreover, the straylight facility has to be implemented into a limited envelope and has to be built with vacuum compatible materials and black coating. As checking the facility performance requires an instrument better than the facility itself, that is no easy to find, so that the performances have been estimated through a modelisation into a non sequential optical software. This modelisation is based on CAD importation of mechanical design, on BRDF characteristics of black coating and on statistical averaging of ray tracing at instrument entrance.

show abstract

<title>XMM flight mirror modules with reflection grating assembly and x-ray baffle testing</title>

Cited by 7 publications

References 7 publications

<title>XMM flight model mirror module testing</title>

<title>XMM flight model mirror module testing</title>

Conceptual design of a stray light facility for Earth observation satellites

Design and modelisation of a straylight facility for space optical instrument

Contact Info

Product

Resources

About