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Article
Count Rate Optimizations for TES Detectors at a Femtosecond X-ray Laser
Transition-edge sensor microcalorimeters have found success as X-ray detectors at synchrotron light-sources, due to a unique combination of high collecting area and good energy resolution. However, the upcomin...
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Article
Performance of Al–Mn Transition-Edge Sensor Bolometers in SPT-3G
SPT-3G is a polarization-sensitive receiver, installed on the South Pole Telescope, that measures the anisotropy of the cosmic microwave background (CMB) from degree to arcminute scales. The receiver consists ...
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Article
On-Sky Performance of the SPT-3G Frequency-Domain Multiplexed Readout
Frequency-domain multiplexing (fMux) is an established technique for the readout of large arrays of transition-edge sensor (TES) bolometers. Each TES in a multiplexing module has a unique AC voltage bias that ...
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Article
Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements
Self-similar antennas offer extremely broadband functionality and easily scalable designs. Self-similar designs with a four-arm layout are also suited for dual polarization through excitations of opposing arms...
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Chapter and Conference Paper
Exclusion Limits on Hidden-Photon Dark Matter Near 2 neV from a Fixed-Frequency Superconducting Lumped-Element Resonator
We present the design and performance of a simple fixed-frequency superconducting lumped-element resonator developed for axion and hidden-photon dark matter detection. A rectangular NbTi inductor was coupled t...
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Article
SPT-3G: A Multichroic Receiver for the South Pole Telescope
A new receiver for the South Pole Telescope, SPT-3G, was deployed in early 2017 to map the cosmic microwave background at 95, 150, and 220 GHz with ...
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Article
TES X-ray Spectrometer at SLAC LCLS-II
We are building a transition edge sensor (TES) X-ray spectrometer for the Linac Coherent Light Source (LCLS-II) at SLAC National Accelerator Laboratory (SLAC) to coincide with new upgrades for this free electr...
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Article
Concept Study of Optical Configurations for High-Frequency Telescope for LiteBIRD
The high-frequency telescope for LiteBIRD is designed with refractive and reflective optics. In order to improve sensitivity, this paper suggests the new optical configurations of the HFT which have approximat...
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Article
Magnetic Sensitivity of AlMn TESes and Shielding Considerations for Next-Generation CMB Surveys
In the next decade, new ground-based cosmic microwave background (CMB) experiments such as Simons Observatory, CCAT-prime, and CMB-S4 will increase the number of detectors observing the CMB by an order of magn...
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Article
Development of Multi-chroic MKIDs for Next-Generation CMB Polarization Studies
We report on the status of an ongoing effort to develop arrays of horn-coupled, polarization-sensitive microwave kinetic inductance detectors (MKIDs) that are each sensitive to two spectral bands between 125 a...
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Article
Error-Correcting Codes for Code-Division Multiplexed TES Detectors
Transition edge sensors (TESs) have proven to be highly sensitive and versatile X-ray spectrometers. Upcoming missions, including Athena X-IFU, will rely on highly multiplexed focal planes where more than 32 T...
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Article
SLAC Microresonator Radio Frequency (SMuRF) Electronics for Read Out of Frequency-Division-Multiplexed Cryogenic Sensors
Large arrays of cryogenic sensors for various imaging applications ranging across x-ray, gamma-ray, cosmic microwave background, mm/sub-mm, as well as particle detection increasingly rely on superconducting mi...
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Article
A Spread-Spectrum SQUID Multiplexer
The transition-edge sensor (TES) is a mature, high-resolution x-ray spectrometer technology that provides a much higher efficiency than dispersive spectrometers such as gratings and crystal spectrometers. As l...
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Article
Improvement of torque and power characteristics of V-type diesel engine applying new design of Variable geometry turbocharger (VGT)
Based on the new design concept in VGT the commercial turbocharger with vaneless turbine volute and two gas inlet casings was converted to an adjustable one. Modification assumed the processing of turbine hous...
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Article
Optical Demonstration of THz, Dual-Polarization Sensitive Microwave Kinetic Inductance Detectors
Polarization sensitive, microwave kinetic inductance detectors (MKIDs) are under development for the next generation BLAST instrument (BLAST-TNG). BLAST-TNG is a balloon-borne submillimeter polarimeter designe...
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Article
Development of a Microwave SQUID-Multiplexed TES Array for MUSTANG-2
MUSTANG-2 is a 90 GHz feedhorn-coupled, microwave SQUID-multiplexed TES bolometer array in the final stages of development for operation on the 100-m Robert C. Byrd Green Bank Telescope. We present the camera ...
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Article
Erratum to: In Situ Time Constant and Optical Efficiency Measurements of TRUCE Pixels in the Atacama B-Mode Search
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Article
Scoring system for traumatic liver injury (SSTLI) in polytraumatic patients: a predictor of mortality
The aim of this study was to examine prognostic factors in polytraumatic patients with liver injury and to develop a scoring system for traumatic liver injury (SSTLI) to predict mortality.
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Article
Horn Coupled Multichroic Polarimeters for the Atacama Cosmology Telescope Polarization Experiment
Multichroic polarization sensitive detectors enable increased sensitivity and spectral coverage for observations of the cosmic microwave background. An array optimized for dual frequency detectors can provide ...
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Article
In Situ Time Constant and Optical Efficiency Measurements of TRUCE Pixels in the Atacama B-Mode Search
The Atacama B-mode Search (ABS) instrument, which began observation in February of 2012, is a crossed-Dragone telescope located at an elevation of 5,100 m in the Atacama Desert in Chile. The primary scientific...
