2009
DOI: 10.1117/12.827980
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Off-plane grating spectrometer for the International X-ray Observatory

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Cited by 6 publications
(4 citation statements)
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“…OPXGS comprises a grating system to disperse a portion of the telescope beam and a camera system to detect and process the incident X-rays. OPXGS consists of an array of reflection gratings in the off-plane mount that diffracts light onto an array of dedicated imaging detectors [1] . Light intersects the surface of the grating at grazing incidence, ~2.5°, and nearly parallel to the groove direction, maximizing the illumination efficiency on the gratings.…”
Section: Off-plane X-ray Grating Spectrometermentioning
confidence: 99%
“…OPXGS comprises a grating system to disperse a portion of the telescope beam and a camera system to detect and process the incident X-rays. OPXGS consists of an array of reflection gratings in the off-plane mount that diffracts light onto an array of dedicated imaging detectors [1] . Light intersects the surface of the grating at grazing incidence, ~2.5°, and nearly parallel to the groove direction, maximizing the illumination efficiency on the gratings.…”
Section: Off-plane X-ray Grating Spectrometermentioning
confidence: 99%
“…Since the off-plane disperses perpendicular to this direction, there is a significant easing of fabrication tolerances, and the packing geometries can be substantially better Cash (1991). Off-plane gratings have potential for higher resolution work and are currently being studied for the International X-ray Observatory (IXO) , McEntaffer et al (2009), Casement et al (2010).…”
Section: Off-plane Gratingsmentioning
confidence: 99%
“…XGS is planned to have a resolution of >3,000 across the energy range 0.3 keV XGS will have to use several orders of dispersion [8] . The different orders of dispersed light are superimposed on the CCD array creating individual arcs per grating module.…”
Section: Ation Requirementmentioning
confidence: 99%