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As ever-more sensitive experiments are made in the quest for primordial CMB B Modes, the number of potentially significant astrophysical contaminants becomes larger as well. Thermal emission from interplanetary dust, for example, has been…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-07 K. Ganga , M. Maris , M. Remazeilles

We describe the design and performance of the Engineering Development Array (EDA), which is a low frequency radio telescope comprising 256 dual-polarisation dipole antennas working as a phased-array. The EDA was conceived of, developed, and…

CONCERTO is a millimeter-wave imaging instrument that operated on the Atacama Pathfinder Experiment (APEX) telescope from April 2021 to May 2023. Its primary scientific objectives include the study of galaxy clusters through the…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Mounir Abdkrimi , Olivier Rossetto , O. Bourrion , Christophe Vescovi , C. Hoarau

A new downstream tracking system, known as the Mighty Tracker, is planned to be installed at LHCb during LS4 of the LHC. This will allow an increase in instantaneous luminosity from $2\cdot10^{33}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$ to…

Instrumentation and Detectors · Physics 2024-02-14 Hannah Schmitz , Lucas Dittmann , Klaas Padeken , Sebastian Neubert

Frequency-selective readout for superconducting qubits opens the way towards scaling qubit circuits up without increasing the number of measurement lines. Here we demonstrate the readout of an array of 7 flux qubits located on the same…

Superconductivity · Physics 2015-05-27 M. Jerger , S. Poletto , P. Macha , U. Huebner , A. Lukashenko , E. Il'ichev , A. V. Ustinov

A pathfinder version of CHIME (the Canadian Hydrogen Intensity Mapping Experiment) is currently being commissioned at the Dominion Radio Astrophysical Observatory (DRAO) in Penticton, BC. The instrument is a hybrid cylindrical…

The kinetic inductance detector (KID) is a versatile and scalable detector technology with a wide range of applications. These superconducting detectors offer significant advantages: simple and robust fabrication, intrinsic multiplexing…

Instrumentation and Detectors · Physics 2022-03-31 Peter S. Barry , Clarence. C. Chang , Sunil Golwala , Erik Shirokoff

The next generation of space-based mm-wave telescopes, such as JAXA's LiteBIRD mission, require focal planes with thousands of detectors in order to achieve their science goals. Digital frequency-domain multiplexing (dfmux) techniques allow…

Instrumentation and Methods for Astrophysics · Physics 2022-07-26 Graeme Smecher , Peter Cameron , Jean-Francois Cliche , Matt Dobbs , Joshua Montgomery

Due to their superior noise performance, SQUIDs are an attractive alternative to high electron mobility transistors for constructing ultra-low-noise microwave amplifiers for cryogenic use. We describe the use of a lumped element SQUID…

Superconductivity · Physics 2009-11-13 Lafe Spietz , Kent Irwin , Jose Aumentado

The Transition-Edge Sensors (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 larger arrays are developed,…

Instrumentation and Detectors · Physics 2018-06-08 K. D. Irwin , S. Chaudhuri , H. -M. Cho , C. Dawson , S. Kuenstner , D. Li , C. J. Titus , B. A. Young

Future astrophysics and cosmic microwave background space missions operating in the far-infrared to millimetre part of the spectrum will require very large arrays of ultra-sensitive detectors in combination with high multiplexing factors…

The Large Scale Polarization Explorer (LSPE) is a cosmology program for the measurement of large scale curl-like features (B-modes) in the polarization of the Cosmic Microwave Background. Its goal is to constrain the background of…

Context. Millimetre-wave astronomy is an important tool for both general astrophysics studies and cosmology. A large number of unidentified sources are being detected by the large field-of-view continuum instruments operating on large…

Instrumentation and Methods for Astrophysics · Physics 2023-03-29 Usasi Chowdhury , Florence Levy-Bertrand , Martino Calvo , Johannes Goupy , Alessandro Monfardini

In this work we describe upgrades to the Spider balloon-borne telescope in preparation for its second flight, currently planned for December 2021. The Spider instrument is optimized to search for a primordial B-mode polarization signature…

We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurement of the tensor-to-scalar ratio parameter, r, using…

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 Letter, we present and demonstrate a multiplexer design…

We present a design for an array of kinetic inductance detectors (KIDs) integrated with phased array antennas for imaging at 150 GHz under high background conditions. The microstrip geometry KID detectors are projected to achieve photon…

Instrumentation and Methods for Astrophysics · Physics 2022-05-26 Shibo Shu , Jack Sayers , Peter K. Day

Line Intensity Mapping (LIM) is a new observational technique that uses low-resolution observations of line emission to efficiently trace the large-scale structure of the Universe out to high redshift. Common mm/sub-mm emission lines are…

The next generation of space-based mm-wave telescopes, such as JAXA's LiteBIRD mission, require focal planes with thousands of detectors in order to achieve their science goals. Digital frequency-domain multiplexing (dfmux) techniques allow…

Instrumentation and Methods for Astrophysics · Physics 2022-07-26 Graeme Smecher , Jean-Francois Cliche , Matt Dobbs , Joshua Montgomery

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 and 280 GHz. These multi-chroic…

Instrumentation and Methods for Astrophysics · Physics 2018-07-31 B. R. Johnson , D. Flanigan , M. H. Abitbol , P. A. R. Ade , S. Bryan , H. -M. Cho , R. Datta , P. Day , S. Doyle , K. Irwin , G. Jones , D. Li , P. Mauskopf , H. McCarrick , J. McMahon , A. Miller , G. Pisano , Y. Song , H. Surdi , C. Tucker