The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket

P. Wikus, W. B. Doriese, M. E. Eckart, J. S. Adams, S. R. Bandler, R. P. Brekosky, J. A. Chervenak, A. J. Ewin, E. Figueroa-Feliciano, F. M. Finkbeiner, Massimiliano Galeazzi, G. Hilton, K. D. Lrwm, R. L. Kelley, C. A. Kilbourne, S. W. Leman, D. McCammon, F. S. Porter, C. D. Reintsema, J. M. RutherfordS. N. Trowbridge

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The Micro-X sounding rocket experiment will deploy an imaging transition-edge-sensor (TES) microcalorimeter spectrometer to observe astrophysical sources in the 0.2 - 3.0 keV band. The instrument has been designed at a systems level, and the first items of flight hardware are presently being built. In the first flight, planned for January 2011, the spectrometer will observe a recently discovered Silicon knot in the Puppis-A supernova remnant. Here we describe the design of the Micro-X science instrument, focusing on the instrument's detector and detector assembly. The current design of the 2-dimensional spectrometer array contains 128 close-packed pixels with a pitch of 600 |im. The conically approximated Wolter-1 mirror will map each of these pixels to a 0.95 arcmin region on the sky; the field of view will be 11.4 arcmin. Targeted energy resolution of the TESs is about 2 eV over the fiill observing band. A SQUID time-division multiplexer (TDM) will read out the array. The detector time constants will be engineered to approximately 2 ms to match the TDM, which samples each pixel at 32.6 kHz, limited only by the telemetry system of the rocket. The detector array and two SQUID stages of the TDM readout system are accommodated in a lightweight Mg enclosure, which is mounted to the 50 mK stage of an adiabatic demagnetization refrigerator. A third SQUID amplification stage is located on the 1.6 K liquid He stage of the cryostat. An on-board 55-Fe source will fluoresce a Catarget, providing 3.69 and 4.01 keV calibration lines that will not interfere with the scientifically interesting energy band.

Original languageEnglish (US)
Title of host publicationAIP Conference Proceedings
Pages434-437
Number of pages4
Volume1185
DOIs
StatePublished - 2009
Event13th International Workshop on Low Temperature Detectors, LTD-13 - Stanford, CA, United States
Duration: Jul 20 2009Jul 24 2009

Other

Other13th International Workshop on Low Temperature Detectors, LTD-13
CountryUnited States
CityStanford, CA
Period7/20/097/24/09

Fingerprint

rockets
calorimeters
readout
division
high resolution
pixels
detectors
spectrometers
x rays
flight
sounding rockets
telemetry
refrigerators
demagnetization
cryostats
supernova remnants
enclosure
time constant
field of view
energy bands

Keywords

  • Micro-X
  • Microcalorimeter
  • Sounding rocket
  • SQUID multiplexer
  • TES

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Wikus, P., Doriese, W. B., Eckart, M. E., Adams, J. S., Bandler, S. R., Brekosky, R. P., ... Trowbridge, S. N. (2009). The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket. In AIP Conference Proceedings (Vol. 1185, pp. 434-437) https://doi.org/10.1063/1.3292371

The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket. / Wikus, P.; Doriese, W. B.; Eckart, M. E.; Adams, J. S.; Bandler, S. R.; Brekosky, R. P.; Chervenak, J. A.; Ewin, A. J.; Figueroa-Feliciano, E.; Finkbeiner, F. M.; Galeazzi, Massimiliano; Hilton, G.; Lrwm, K. D.; Kelley, R. L.; Kilbourne, C. A.; Leman, S. W.; McCammon, D.; Porter, F. S.; Reintsema, C. D.; Rutherford, J. M.; Trowbridge, S. N.

AIP Conference Proceedings. Vol. 1185 2009. p. 434-437.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wikus, P, Doriese, WB, Eckart, ME, Adams, JS, Bandler, SR, Brekosky, RP, Chervenak, JA, Ewin, AJ, Figueroa-Feliciano, E, Finkbeiner, FM, Galeazzi, M, Hilton, G, Lrwm, KD, Kelley, RL, Kilbourne, CA, Leman, SW, McCammon, D, Porter, FS, Reintsema, CD, Rutherford, JM & Trowbridge, SN 2009, The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket. in AIP Conference Proceedings. vol. 1185, pp. 434-437, 13th International Workshop on Low Temperature Detectors, LTD-13, Stanford, CA, United States, 7/20/09. https://doi.org/10.1063/1.3292371
Wikus P, Doriese WB, Eckart ME, Adams JS, Bandler SR, Brekosky RP et al. The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket. In AIP Conference Proceedings. Vol. 1185. 2009. p. 434-437 https://doi.org/10.1063/1.3292371
Wikus, P. ; Doriese, W. B. ; Eckart, M. E. ; Adams, J. S. ; Bandler, S. R. ; Brekosky, R. P. ; Chervenak, J. A. ; Ewin, A. J. ; Figueroa-Feliciano, E. ; Finkbeiner, F. M. ; Galeazzi, Massimiliano ; Hilton, G. ; Lrwm, K. D. ; Kelley, R. L. ; Kilbourne, C. A. ; Leman, S. W. ; McCammon, D. ; Porter, F. S. ; Reintsema, C. D. ; Rutherford, J. M. ; Trowbridge, S. N. / The detector and readout systems of the micro-X high resolution micro calorimeter X-ray imaging rocket. AIP Conference Proceedings. Vol. 1185 2009. pp. 434-437
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AU - Bandler, S. R.

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AU - Chervenak, J. A.

AU - Ewin, A. J.

AU - Figueroa-Feliciano, E.

AU - Finkbeiner, F. M.

AU - Galeazzi, Massimiliano

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AU - Lrwm, K. D.

AU - Kelley, R. L.

AU - Kilbourne, C. A.

AU - Leman, S. W.

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N2 - The Micro-X sounding rocket experiment will deploy an imaging transition-edge-sensor (TES) microcalorimeter spectrometer to observe astrophysical sources in the 0.2 - 3.0 keV band. The instrument has been designed at a systems level, and the first items of flight hardware are presently being built. In the first flight, planned for January 2011, the spectrometer will observe a recently discovered Silicon knot in the Puppis-A supernova remnant. Here we describe the design of the Micro-X science instrument, focusing on the instrument's detector and detector assembly. The current design of the 2-dimensional spectrometer array contains 128 close-packed pixels with a pitch of 600 |im. The conically approximated Wolter-1 mirror will map each of these pixels to a 0.95 arcmin region on the sky; the field of view will be 11.4 arcmin. Targeted energy resolution of the TESs is about 2 eV over the fiill observing band. A SQUID time-division multiplexer (TDM) will read out the array. The detector time constants will be engineered to approximately 2 ms to match the TDM, which samples each pixel at 32.6 kHz, limited only by the telemetry system of the rocket. The detector array and two SQUID stages of the TDM readout system are accommodated in a lightweight Mg enclosure, which is mounted to the 50 mK stage of an adiabatic demagnetization refrigerator. A third SQUID amplification stage is located on the 1.6 K liquid He stage of the cryostat. An on-board 55-Fe source will fluoresce a Catarget, providing 3.69 and 4.01 keV calibration lines that will not interfere with the scientifically interesting energy band.

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