Complex impedance measurements of calorimeters and bolometers

Correction for stray impedances

Mark A. Lindeman, Kathleen A. Barger, Donald E. Brandl, Gwynne Crowder, Lindsay Rocks, Dan McCammon

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Impedance measurements provide a useful probe of the physics of bolometers and calorimeters. We describe a method for measuring the complex impedance of these devices. In previous work, stray impedances and readout electronics of the measurement apparatus have resulted in artifacts in the impedance data. The technique allows experimenters to find an independent Thevenin or Norton equivalent circuit for each frequency. This method allows experimenters to easily isolate the device impedance from the effects of parasitic impedances and frequency dependent gains in amplifiers.

Original languageEnglish (US)
Article number043105
JournalReview of Scientific Instruments
Volume78
Issue number4
DOIs
StatePublished - May 8 2007

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Bolometers
impedance measurement
bolometers
Calorimeters
calorimeters
impedance
Equivalent circuits
Electronic equipment
Physics
equivalent circuits
readout
artifacts
amplifiers
physics
probes
electronics

Cite this

Lindeman, M. A., Barger, K. A., Brandl, D. E., Crowder, G., Rocks, L., & McCammon, D. (2007). Complex impedance measurements of calorimeters and bolometers: Correction for stray impedances. Review of Scientific Instruments, 78(4), [043105]. https://doi.org/10.1063/1.2723066

Complex impedance measurements of calorimeters and bolometers : Correction for stray impedances. / Lindeman, Mark A.; Barger, Kathleen A.; Brandl, Donald E.; Crowder, Gwynne; Rocks, Lindsay; McCammon, Dan.

In: Review of Scientific Instruments, Vol. 78, No. 4, 043105, 08.05.2007.

Research output: Contribution to journalArticle

Lindeman, MA, Barger, KA, Brandl, DE, Crowder, G, Rocks, L & McCammon, D 2007, 'Complex impedance measurements of calorimeters and bolometers: Correction for stray impedances', Review of Scientific Instruments, vol. 78, no. 4, 043105. https://doi.org/10.1063/1.2723066
Lindeman, Mark A. ; Barger, Kathleen A. ; Brandl, Donald E. ; Crowder, Gwynne ; Rocks, Lindsay ; McCammon, Dan. / Complex impedance measurements of calorimeters and bolometers : Correction for stray impedances. In: Review of Scientific Instruments. 2007 ; Vol. 78, No. 4.
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