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Optimization and analysis of code-division multiplexed TES microcalorimeters

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arxiv 1110.2531 v1 pith:WFIGAJZ7 submitted 2011-10-11 physics.ins-det astro-ph.IM

Optimization and analysis of code-division multiplexed TES microcalorimeters

J. W. Fowler , W. B. Doriese , G. C. Hilton , K. D. Irwin , D. R. Schmidt , G. M. Stiehl , D. S. Swetz , J. N. Ullom
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L. R. Vale. (NIST Boulder Laboratories Boulder Colorado USA)
This is my paper
classification physics.ins-det astro-ph.IM
keywords code-divisionmultiplexingsystemachievesanalysisarchitecturearrayscross-talk
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We are developing code-division multiplexing (CDM) systems for transition-edge sensor arrays with the goal of reaching multiplexing factors in the hundreds. We report on x-ray measurements made with a four-channel prototype CDM system that employs a flux-summing architecture, emphasizing data-analysis issues. We describe an empirical method to determine the demodulation matrix that minimizes cross-talk. This CDM system achieves energy resolutions of between 2.3 eV and 3.0 eV FWHM at 5.9 keV.

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