29 August 2017 The Marshall Grazing Incidence X-ray Spectrometer
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The Marshall Grazing Incidence X-ray Spectrometer (MaGIXS) is a NASA sounding rocket instrument designed to obtain spatially resolved soft X-ray spectra of the solar atmosphere in the 6–24 Å (0.5–2.0 keV) range. The instrument consists of a single shell Wolter Type-I telescope, a slit, and a spectrometer comprising a matched pair of grazing incidence parabolic mirrors and a planar varied-line space diffraction grating. The instrument is designed to achieve a 50 mÅ spectral resolution and 5 arcsecond spatial resolution along a ±4-arcminute long slit, and launch is planned for 2019. We report on the status and our approaches for fabrication and alignment for this novel optical system. The telescope and spectrometer mirrors are replicated nickel shells, and are currently being fabricated at the NASA Marshall Space Flight Center. The diffraction grating is currently under development by the Massachusetts Institute of Technology (MIT); because of the strong line spacing variation across the grating, it will be fabricated through e-beam lithography.
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Ken Kobayashi, Ken Kobayashi, Amy R. Winebarger, Amy R. Winebarger, Sabrina Savage, Sabrina Savage, Patrick Champey, Patrick Champey, Peter N. Cheimets, Peter N. Cheimets, Edward Hertz, Edward Hertz, Alexander R Bruccoleri, Alexander R Bruccoleri, Leon Golub, Leon Golub, Brian Ramsey, Brian Ramsey, ​Jaganathan Ranganathan, ​Jaganathan Ranganathan, Vanessa Marquez, Vanessa Marquez, Ryan Allured, Ryan Allured, Theodore Parker, Theodore Parker, Ralf K. Heilmann, Ralf K. Heilmann, Mark L. Schattenburg, Mark L. Schattenburg, } "The Marshall Grazing Incidence X-ray Spectrometer", Proc. SPIE 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX, 103971I (29 August 2017); doi: 10.1117/12.2276879; https://doi.org/10.1117/12.2276879

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