On the design of wide-field x-ray telescopes

Ronald F. Elsner; Stephen L. O'Dell; Brian D. Ramsey; Martin C. Weisskopf

doi:10.1117/12.831262

31 August 2009 On the design of wide-field x-ray telescopes

Ronald F. Elsner, Stephen L. O'Dell, Brian D. Ramsey, Martin C. Weisskopf

Proceedings Volume 7437, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV; 74370F (2009) https://doi.org/10.1117/12.831262
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

X-ray telescopes having a relatively wide field-of-view and spatial resolution vs. polar off-axis angle curves much flatter than the parabolic dependence characteristic of Wolter I designs are of great interest for surveys of the X-ray sky and potentially for study of the Sun's X-ray emission. We discuss the various considerations affecting the design of such telescopes, including the possible use of polynomial mirror surface prescriptions, a method of optimizing the polynomial coefficients, scaling laws for mirror segment length vs. intersection radius, the loss of on-axis spatial resolution, and the positioning of focal plane detectors.

Citation Download Citation

Ronald F. Elsner, Stephen L. O'Dell, Brian D. Ramsey, and Martin C. Weisskopf "On the design of wide-field x-ray telescopes", Proc. SPIE 7437, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV, 74370F (31 August 2009); https://doi.org/10.1117/12.831262

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