Abstract
We have studied a potential design for a transition-edge sensor (TES) microcalorimeter array for the Micro-X High Resolution Microcalorimeter X-ray Imaging Rocket. Diffusion simulations of a design that places a small TES in the center of the pixel with a large in-plane absorber around the TES demonstrate that with high-quality gold films (RRR >6) 2 eV resolution is attainable in a 700 μm pixel, meeting the Micro-X requirement. X-ray hits directly on the TES, however, create a non-gaussian high energy tail to the device response. This high energy tail contains 5% of incident photons and cannot be removed by lowering the optimal filter bandwidth.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
E. Figueroa-Feliciano, S.R. Bandler, M. Bautz, K. Boyce, G. Brown, S. Deiker, W.B. Doriese, K. Flanagan, M. Galeazzi, G.C. Hilton, U. Hwang, K.D. Irwin, T. Kallman, R.L. Kelley, C.A. Kilbourne, S. Kissel, A. Levine, M. Loewenstein, D. Martinez-Galarce, D. McCammon, R. Mushotzky, R. Petre, F.S. Porter, C.D. Reistema, T. Saab, P. Serlemitsos, N. Schulz, R. Smith, J.N. Ullom, Science with Micro-X: the TES microcalorimeter X-ray imaging rocket. In Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, ed. by M.J.L. Turner, G. Hasinger. Proceedings of the SPIE, vol. 6266, p. 62660A, July 2006
E. Figueroa-Feliciano, S.R. Bandler, M. Bautz, G. Brown, S. Deiker, W.B. Doriese, K. Flanagan, M. Galeazzi, G.C. Hilton, U. Hwang, K.D. Irwin, T. Kallman, R.L. Kelley, C.A. Kilbourne, S. Kissel, A. Levine, M. Loewenstein, D. Martinez-Galarce, D. McCammon, R. Mushotzky, R. Petre, F.S. Porter, C.D. Reistema, T. Saab, P. Serlemitsos, N. Schulz, R. Smith, J.N. Ullom, Micro-X: Mission overview and science goals. J. Low Temp. Phys., these proceedings
T. Saab, E. Figueroa-Feliciano, N. Iyomoto, S.R. Bandler, J.A. Chervenak, R.L. Kelley, C.A. Kilbourne, F.S. Porter, J.E. Sadleir, Determining the thermal diffusivity in microcalorimeter absorbers and its effect on detector response. J. Appl. Phys. 102(10), 104502–104502-7 (2007)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Figueroa-Feliciano, E., Saab, T., Rivera-Ortiz, P.M. et al. Studies of Thermal Diffusion in Planar Absorber Designs for the Micro-X Rocket. J Low Temp Phys 151, 424–429 (2008). https://doi.org/10.1007/s10909-007-9667-4
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10909-007-9667-4