RGS

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RGS

Behind two of the three XMM-Newton telescopes, about half of the X-ray light is utilized by the Reflection Grating Spectrometers (RGS). Each RGS consists of an array of reflection gratings which diffracts the X-rays to an array of dedicated CCD detectors. The RGS instruments achieve high resolving power (150 to 800) over a range from 5 to 35 Å [0.33 to 2.5 keV] (in the first spectral order).


 
Reflection Grating Array (RGA) 		 
RGS Focal Plane Camera (RFC) 

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