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1 February 1991 XMM space telescope: development plan for the lightweight replicated x-ray gratings
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An approach and development plan for the production of replicated variable line spacing X-ray reflection gratings on lightweight substrates is described. The gratings will be arrayed in spectrometers to analyze the soft X-rays gathered by the telescopes flown aboard the European Space Agency (ESA) "X-ray Multi- Mirror Mission" (XMM). The mission requires about 750 gratings to form 3 arrays. Each array provides a grating area of approximately 5 square meters. From relatively few master gratings, the low blaze angle gratings will be replicated onto 55 gram substrates having an equivalent length/thickness aspect ratio □40. We will describe the criteria used for selecting the substrate design and material. A multi-phased study to solve identified technical problems associated with the replication of these gratings is also described. We will report on the present status of the substrates and replication process.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard C. Montesanti, Dennis P. Atkinson, David F. Edwards, and Jeffrey L. Klingmann "XMM space telescope: development plan for the lightweight replicated x-ray gratings", Proc. SPIE 1343, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography, (1 February 1991);


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