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Development of microwave multiplexed readout for athermal phonon TES-based detectors
Tran Tsan, Douglas A. Bennett, Daniel T. Becker +6
Continued advancements in sub-eV calorimetric measurements are being enabled through the athermal phonon detection channel, with applications spanning a diverse array of fields, in…
Nuclear Data Needs for Microcalorimetry and Non-destructive Assay
Geon-Bo Kim, Begona Aranguren-Barrado, Shamsuzzoha Basunia +5
Cryogenic microcalorimeters are state-of-the-art radiation detectors using superconducting and quantum technologies. They can resolve complex X-ray and low-energy γ-ray spectra wit…
Characterization of Silicon-Membrane TES Microcalorimeters for Large-Format X-ray Spectrometers with Integrated Microwave SQUID Readout
Avirup Roy, Robinjeet Singh, Joel C. Weber +17
We present the electro-thermal characterization of transition-edge sensor (TES) detectors suspended on Si membranes fabricated using a silicon-on-insulator (SOI) wafer. The use of…
Lithographic integration of TES microcalorimeters with SQUID multiplexer circuits for large format spectrometers
Robinjeet Singh, Avirup Roy, Daniel Becker +12
Arrays of hundreds or thousands of low temperature detectors have been deployed for many experiments, both bolometers for long wavelength applications and calorimeters for shorter…
Detecting and Correcting Gain Jumps in TES Microcalorimeters
Thomas A. Baker, Daniel T. Becker, Joseph W. Fowler +3
Arrays of microcalorimeters based on transition-edge sensors (TESs) are being actively deployed to laboratories all over the world. A TES microcalorimeter array produces very large…
Demonstration of a 1820 channel multiplexer for transition-edge sensor bolometers
J. C. Groh, Z. Ahmed, J. Austermann +16
The scalability of most transition-edge sensor arrays is limited by the multiplexing technology which combines their signals over a reduced number of wires and amplifiers. In this…
Kinetic inductance current sensor for visible to near-infrared wavelength transition-edge sensor readout
Paul Szypryt, Douglas A. Bennett, Ian Fogarty Florang +12
Single-photon detectors based on the superconducting transition-edge sensor are used in a number of visible to near-infrared applications, particularly for photon-number-resolving…
A tabletop x-ray tomography instrument for nanometer-scale imaging: demonstration of the 1,000-element transition-edge sensor subarray
Paul Szypryt, Nathan Nakamura, Daniel T. Becker +28
We report on the 1,000-element transition-edge sensor (TES) x-ray spectrometer implementation of the TOMographic Circuit Analysis Tool (TOMCAT). TOMCAT combines a high spatial reso…
Design of a 3000-pixel transition-edge sensor x-ray spectrometer for microcircuit tomography
Paul Szypryt, Douglas A. Bennett, William J. Boone +28
Feature sizes in integrated circuits have decreased substantially over time, and it has become increasingly difficult to three-dimensionally image these complex circuits after fabr…
Nanoscale Three-Dimensional Imaging of Integrated Circuits using a Scanning Electron Microscope and Transition-Edge Sensor Spectrometer
Nathan Nakamura, Paul Szypryt, Amber L. Dagel +30
X-ray nanotomography is a powerful tool for the characterization of nanoscale materials and structures, but is difficult to implement due to competing requirements on X-ray flux an…
SLAC Microresonator RF (SMuRF) Electronics: A tone-tracking readout system for superconducting microwave resonator arrays
Cyndia Yu, Zeeshan Ahmed, Josef C. Frisch +22
We describe the newest generation of the SLAC Microresonator RF (SMuRF) electronics, a warm digital control and readout system for microwave-frequency resonator-based cryogenic det…
The potential of microcalorimeter x-ray spectrometers for measurement of relative fluorescence-line intensities
J. W. Fowler, L. Miaja-Avila, G. C. O'Neil +3
We have previously used an array of cryogenic microcalorimeters with 4 eV energy resolution to measure emission-line profiles and energies of the characteristic L-shell x rays of f…
Absolute Energy Measurements with Superconducting Transition-Edge Sensors for Muonic X-ray Spectroscopy at 44 keV
Daikang Yan, Joel C. Weber, Tejas Guruswamy +25
Superconducting transition-edge sensor (TES) microcalorimeters have great utility in x-ray applications owing to their high energy resolution, good collecting efficiency and the fe…
Bandwidth and Aliasing in the Microwave SQUID Multiplexer
Cyndia Yu, Zeeshan Ahmed, Jake A. Connors +13
The microwave SQUID multiplexer (umux) has enabled higher bandwidth or higher channel counts across a wide range of experiments in particle physics, astronomy, and spectroscopy. Th…
Energy calibration of nonlinear microcalorimeters with uncertainty estimates from Gaussian process regression
J. W. Fowler, B. K. Alpert, G. C. O'Neil +2
The nonlinear energy response of cryogenic microcalorimeters is usually corrected through an empirical calibration. X-ray or gamma-ray emission lines of known shape and energy anch…
Quantification of 242Pu with a Microcalorimeter Gamma Spectrometer
David J. Mercer, Ryan Winkler, Katrina E. Koehler +18
We report measurements of the 103-keV and 159-keV gamma ray signatures of 242Pu using microcalorimetry. This is the first observation of these gamma rays in a non-destructive measu…
Improved Nondestructive Isotopic Analysis with Practical Microcalorimeter Gamma Spectrometers
Mark Croce, Daniel Becker, Katrina E. Koehler +1
Advances in both instrumentation and data analysis software are now enabling the first ultra-high-resolution microcalorimeter gamma spectrometers designed for implementation in nuc…
First Measurements of Nuclear Detonation Debris with Decay Energy Spectroscopy
Mark P. Croce, Katrina E. Koehler, Veronika Mocko +4
We report the first isotopic composition measurements of trinitite, nuclear detonation debris from the Trinity test, using the novel forensics technique of decay energy spectroscop…
Progress in the development of TES microcalorimeter detectors suitable for neutrino mass measurement
A. Giachero, B. Alpert, D. T. Becker +19
The HOLMES experiment will perform a precise calorimetric measurement of the end point of the Electron Capture (EC) decay spectrum of 163Ho in order to extract information on neutr…
Absolute energies and emission line shapes of the L x-ray transitions of lanthanide metals
Joseph W. Fowler, Galen C. O'Neil, Bradley K. Alpert +11
We use an array of transition-edge sensors, cryogenic microcalorimeters with 4 eV energy resolution, to measure L x-ray emission-line profiles of four elements of the lanthanide se…
A Transition-edge Sensor-based X-ray Spectrometer for the Study of Highly Charged Ions at the National Institute of Standards and Technology Electron Beam Ion Trap
P. Szypryt, G. C. O'Neil, E. Takacs +15
We report on the design, commissioning, and initial measurements of a Transition-edge Sensor (TES) x-ray spectrometer for the Electron Beam Ion Trap (EBIT) at the National Institut…
On low-energy tail distortions in the detector responsefunction of x-ray microcalorimeter spectrometers
G. C. O'Neil, P. Szypryt, E. Takacs +12
We use narrow spectral lines from the x-ray spectra of various highlycharged ions to measure low-energy tail-like deviations from a Gaussian responsefunction in a microcalorimter x…
Working principle and demonstrator of microwave-multiplexing for the HOLMES experiment microcalorimeters
D. T. Becker, D. A. Bennett, M. Biasotti +21
The determination of the neutrino mass is an open issue in modern particle physics and astrophysics. The direct mass measurement is the only theory-unrelated experimental tool capa…
Mitigating the effects of charged particle strikes on TES arrays for exotic atom X-ray experiments
H. Tatsuno, D. A. Bennett, W. B. Doriese +16
Exotic atom experiments place transition-edge-sensor (TES) microcalorimeter arrays in a high-energy charged particle rich environment. When a high-energy charged particle passes th…