26 September 2013 Development of Four-Stage X-ray Telescope (FXT) for DIOS mission
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A Four-stage X-ray Telescope (FXT) has been developed as the best-fit optics for the Diffuse Intergalactic Oxygen Surveyor (DIOS) mission, a small satellite mission for mapping observations of the warm-hot intergalactic medium. The FXT mirrors are based on a conical approximation of the Wolter-I design, fabrication technique used in the Suzaku satellite. We developed processes for fabricating a large-diameter (≥ 50 cm) foil mirror and made a new full size quadrant housing 60 cm in diameter with four-stage integrated alignment plates. We made optical measurement using one set of four-stage mirrors over than diameter of more than 50 cm.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ikuya Sakurai, Ikuya Sakurai, Satoshi Sugita, Satoshi Sugita, Yuzuru Tawara, Yuzuru Tawara, Shunya Takizawa, Shunya Takizawa, Yasunori Babazaki, Yasunori Babazaki, Ren Nakamichi, Ren Nakamichi, "Development of Four-Stage X-ray Telescope (FXT) for DIOS mission", Proc. SPIE 8861, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VI, 88610P (26 September 2013); doi: 10.1117/12.2023804; https://doi.org/10.1117/12.2023804


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