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Designing the x-ray microcalorimeter spectrometer for optimal science return
UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII
Recent advances in X-ray microcalorimeters enable a wide range of possible focal plane designs for the X-ray Microcalorimeter Spectrometer (XMS) instrument on the future Advanced X-ray Spectroscopic Imaging Observatory (AXSIO) or X-ray Astrophysics Probe (XAP). Small pixel designs (75 µm) oversample a 5-10" PSF by a factor of 3-6 for a 10 m focal length, enabling observations at both high count rates and high energy resolution. Pixel designs utilizing multiple absorbers attached to singledoi:10.1117/12.2024423 fatcat:yvhynpjw6fbezgsvhl4p65m5ce