Niels J. Westergaard

Simulating x-ray telescopes with McXtrace: a case study of ATHENA’s optics

Kim Lefmann, Desiree D. M. Ferreira, Erik B. Knudsen, 2016, Astronomical Telescopes + Instrumentation.

The McXtrace AstroX toolbox: a general ray tracing software package for end to end simulation of x-ray optics for astronomical instrumentation

Erik B. Knudsen, Niels J. Westergaard, Finn E. Christensen, 2018, Astronomical Telescopes + Instrumentation.

THE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NuSTAR) HIGH-ENERGY X-RAY MISSION

William W. Zhang, Kristin K. Madsen, Peter Mao, 2013, Astronomical Telescopes and Instrumentation.

In-flight PSF calibration of the NuSTAR hard X-ray optics

Kristin K. Madsen, Niels J. Westergaard, Finn E. Christensen, 2014, Astronomical Telescopes and Instrumentation.

Coating optimization for the ATHENA+ mission

Niels J. Westergaard, Finn E. Christensen, Brian Shortt, 2013, Optics & Photonics - Optical Engineering + Applications.