27 September 2012 Development of four-stage x-ray telescope for DIOS mission
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To search for warm-hot intergalactic medium (WHIM), a small satellite mission DIOS (Diffuse Intergalactic Oxygen Surveyer ) is planned and a specially designed four-reflection X-ray telescope (FXT) has been developed as the best fit optics to have a wide field of view and a large effective area. Based on the design of optics and mirror fabrication method developed for FXT, we made the quadrant model with ten nested four-stage mirrors. We describe the expected and the measured performance of this system.
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Yuzuru Tawara, Yuzuru Tawara, Satoshi Sugita, Satoshi Sugita, Shinji Hara, Shinji Hara, Ikuya Sakurai, Ikuya Sakurai, Kenji Tachibana, Kenji Tachibana, Brian D Ramsey, Brian D Ramsey, } "Development of four-stage x-ray telescope for DIOS mission", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844343 (27 September 2012); doi: 10.1117/12.926553; https://doi.org/10.1117/12.926553


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