English
Related papers

Related papers: Microwave multiplexing on the Keck Array

200 papers

This paper presents a framework to compute the receiver noise temperature (Trcv) of two low-frequency radio telescopes, the Murchison Widefield Array (MWA) and the Engineering Development Array (EDA). The MWA was selected because it is the…

Instrumentation and Methods for Astrophysics · Physics 2020-03-23 Daniel C. X. Ung , Marcin Sokolowski , Adrian T. Sutinjo , David B. Davidson

Large arrays of cryogenic detectors, including transition-edge sensors (TESs) or magnetic micro-calorimeters (MMCs), are needed for future experiments across a wide range of applications. Complexities in integration and cryogenic wiring…

Instrumentation and Detectors · Physics 2020-01-10 C. Yu , A. Ames , S. Chaudhuri , C. Dawson , K. D. Irwin , S. E. Kuenstner , D. Li , C. J. Titus

We present results from an analysis of all data taken by the BICEP2, Keck Array and BICEP3 CMB polarization experiments up to and including the 2018 observing season. We add additional Keck Array observations at 220 GHz and BICEP3…

The exploitation of multimodality in different degrees of freedom is one of the most promising ways to increase the rate of heralded entanglement between distant quantum nodes. In this paper, we realize a spatially-multiplexed solid-state…

The Deep Synoptic Array 10 dish prototype is an instrument designed to detect and localise fast radio bursts with arcsecond accuracy in real time. Deployed at Owens Valley Radio Observatory, it consists of ten 4.5m diameter dishes, equipped…

Instrumentation and Methods for Astrophysics · Physics 2019-08-21 J. Kocz , V. Ravi , M. Catha , L. D'Addario , G. Hallinan , R. Hobbs , S. Kulkarni , J. Shi , H. Vedantham , S. Weinreb , D. Woody

LiteBIRD is an upcoming JAXA-led mission that aims to measure primordial gravitational waves in the B-mode polarization of the cosmic microwave background. It is set to launch in 2032. The LiteBIRD detector array consists of around 5000 TES…

Instrumentation and Detectors · Physics 2025-01-13 S. T. P. Boyd , Tijmen de Haan

We study the electromagnetic coupling of the array of Gaussian and multi-moded horn antennas to the dual-reflector submillimeter-wave telescope on the ESA PLANCK Surveyor designed for measuring the temperature anisotropies and polarization…

Astrophysics · Physics 2007-05-23 Vladimir Yurchenko , John Anthony Murphy , Jean-Michel Lamarre

The SLAC Microresonator Radio Frequency (SMuRF) electronics is being deployed as the readout for the Cosmic Microwave Background (CMB) telescopes of the Simons Observatory (SO). A Radio Frequency System-on-Chip (RFSoC) based readout of…

Instrumentation and Methods for Astrophysics · Physics 2024-06-21 Chao Liu , Zeeshan Ahmed , Shawn W. Henderson , Ryan Herbst , Larry Ruckman , Thomas Satterthwaite

We explore the possibilities of measuring the longitudinal profile of individual air showers beyond $X_{\rm max}$ when using very dense radio arrays such as SKA. The low-frequency part of the Square Kilometre Array, to be built in…

New radio telescope arrays offer unique opportunities for large-scale commensal SETI surveys. Ethernet-based architectures are allowing multiple users to access telescope data simultaneously by means of multicast Ethernet subscriptions.…

We present component-separated polarization maps of the cosmic microwave background (CMB) and Galactic thermal dust emission, derived using data from the BICEP/Keck experiments through the 2018 observing season and Planck. By employing a…

The Square Kilometre Array (SKA) project is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

Instrumentation and Methods for Astrophysics · Physics 2018-08-15 Sascha Schediwy , David Gozzard

BICEP2/Keck and SPIDER are cosmic microwave background (CMB) polarimeters targeting the B-mode polarization induced by primordial gravitational waves from inflation. They will be using planar arrays of polarization sensitive antenna-coupled…

We present a hybrid microwave SQUID multiplexer that combines two frequency-division multiplexing techniques to allow multiplexing a given number of cryogenic detectors with only a fraction of frequency encoding resonators. Similar to…

Instrumentation and Detectors · Physics 2022-05-04 Constantin Schuster , Mathias Wegner , Christian Enss , Sebastian Kempf

We introduce the FLASH haloscope experiment and present its electronic read-out system, currently under development. FLASH searches for Dark Matter (DM) particles and High-Frequency Gravitational Waves (HFGWs) using two cryogenic resonant…

Instrumentation and Detectors · Physics 2026-05-07 Luigi Calligaris , Claudio Puglia , Gianluca Lamanna

Superconducting nanowires are widely used as sensitive single photon detectors with wide spectral coverage and high timing resolution. We describe a demonstration of an array of DC biased superconducting nanowire single photon detectors…

Instrumentation and Detectors · Physics 2019-05-17 A. K. Sinclair , E. Schroeder , D. Zhu , M. Colangelo , J. Glasby , P. D. Mauskopf , H. Mani , K. K. Berggren

Next generation radio telescopes, such as the Square Kilometre Array (SKA) and Next Generation Very Large Array (ngVLA), require precise microwave frequency reference signals to be transmitted over fiber links to each dish to coherently…

Instrumentation and Methods for Astrophysics · Physics 2020-09-09 Skevos F. E. Karpathakis , Charles T. Gravestock , David R. Gozzard , Thea R. Pulbrook , Sascha W. Schediwy

A number of modern millimeter, sub-millimeter, and far-infrared detectors are read out using superconducting microwave (1-10GHz) resonators. The main detector technologies are Transition Edge Sensors, read out using Microwave SQUID…

Instrumentation and Detectors · Physics 2022-08-08 Max Silva-Feaver , Zeeshan Ahmed , Kam Arnold , Josef C. Frisch , John Groh , Shawn W. Henderson , Jesus Vasquez , Cyndia Yu