Studies of thermal diffusion in planar absorber designs for the micro-X rocket

Enectali Figueroa-Feliciano; T. Saab; P. M. Rivera-Ortiz; S. R. Bandler; N. Iyomoto; R. L. Kelley; C. A. Kilbourne; F. S. Porter; S. J. Smith

doi:10.1007/s10909-007-9667-4

Studies of thermal diffusion in planar absorber designs for the micro-X rocket

Enectali Figueroa-Feliciano, T. Saab, P. M. Rivera-Ortiz, S. R. Bandler, N. Iyomoto, R. L. Kelley, C. A. Kilbourne, F. S. Porter, S. J. Smith

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

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.

Original language	English
Pages (from-to)	424-429
Number of pages	6
Journal	Journal of Low Temperature Physics
Volume	151
Issue number	1-2 PART 1
DOIs	https://doi.org/10.1007/s10909-007-9667-4
Publication status	Published - Apr 1 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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10.1007/s10909-007-9667-4

Cite this

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title = "Studies of thermal diffusion in planar absorber designs for the micro-X rocket",

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.",

author = "Enectali Figueroa-Feliciano and T. Saab and Rivera-Ortiz, {P. M.} and Bandler, {S. R.} and N. Iyomoto and Kelley, {R. L.} and Kilbourne, {C. A.} and Porter, {F. S.} and Smith, {S. J.}",

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doi = "10.1007/s10909-007-9667-4",

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AU - Figueroa-Feliciano, Enectali

AU - Saab, T.

AU - Rivera-Ortiz, P. M.

AU - Bandler, S. R.

AU - Iyomoto, N.

AU - Kelley, R. L.

AU - Kilbourne, C. A.

AU - Porter, F. S.

AU - Smith, S. J.

PY - 2008/4/1

Y1 - 2008/4/1

N2 - 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.

AB - 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.

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Studies of thermal diffusion in planar absorber designs for the micro-X rocket

Abstract

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