Explanipedia

CCAT: Readout of over 10,000 280 GHz KIDs in Mod-Cam using RFSoC Electronics Open

Darshan Patel, Yuhan Wang, Cody J. Duell, Jason E. Austermann, James A. Beall , et al. · 2025

Over the past decade, kinetic inductance detectors (KIDs) have emerged as a viable superconducting technology for astrophysics at millimeter and submillimeter wavelengths. KIDs spanning 210 - 850 GHz across seven instrument modules will be…

CCAT: Mod-Cam Readout Overview and Flexible Stripline Performance Open

Ben Keller, Rodrigo Freundt, James Burgoyne, S. C. Chapman, Steve K. Choi , et al. · 2025

The CCAT Observatory's first-light and commissioning instrument, Mod-Cam, is nearing readiness for deployment to the Fred Young Submillimeter Telescope (FYST) in the Atacama Desert in northern Chile. In-lab testing of Mod-Cam and the first…

CCAT: Mod-Cam Cryogenic Performance and its Impact on 280 GHz KID Array Noise Open

Lawrence T. Lin, Eve M. Vavagiakis, Jason E. Austermann, James Burgoyne, Scott C. Chapman , et al. · 2025

The CCAT Observatory's Fred Young Submillimeter Telescope (FYST) is designed to observe submillimeter astronomical signals with high precision, using receivers fielding state-of-the-art kinetic inductance detector (KID) arrays. Mod-Cam, a …

CCAT: Comparisons of 280 GHz TiN and Al Kinetic Inductance Detector Arrays Open

Cody J. Duell, Jason E. Austermann, James A. Beall, James Burgoyne, Scott Chapman , et al. · 2024

The CCAT Collaboration's six-meter Fred Young Submillimeter Telescope is scheduled to begin observing in the Chilean Atacama in 2025, targeting a variety of science goals throughout cosmic history. Prime-Cam is a 1.8-meter diameter cryosta…

Cosmic Ray Susceptibility of the Terahertz Intensity Mapper Detector Arrays Open

Lun-Jun Liu, R. M. J. Janssen, B. Bumble, Elijah Kane, Logan Foote , et al. · 2024

CONCERTO: Instrument and status Open

A. Fasano, P. A. R. Ade, M. Aravena, Emilio Barria, A. Beelen , et al. · 2024

CONCERTO (CarbON CII line in post-rEionization and ReionizaTiOn) is a low-resolution Fourier transform spectrometer dedicated to the study of star-forming galaxies and clusters of galaxies in the transparent millimeter windows from the gro…

CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope Open

CCAT-Prime Collaboration, Manuel Aravena, Jason E. Austermann, Kaustuv Basu, Nicholas Battaglia , et al. · 2022

We present a detailed overview of the science goals and predictions for the Prime-Cam direct-detection camera–spectrometer being constructed by the CCAT-prime collaboration for dedicated use on the Fred Young Submillimeter Telescope (FYST)…

IEEE Transactions on Terahertz Science and Technology Publication Information Open

Imran Mehdi, Sharri Shaw, Frank Maiwald, Scott Barker, Hamidreza Afzal , et al. · 2022

IEEE Transactions on Terahertz Science and Technology Publication Information Open

Imran Mehdi, Sharri Shaw, Frank Maiwald, Scott Barker, Hamidreza Afzal , et al. · 2022

Gal/Xgal U/LDB Spectroscopic/Stratospheric THz Observatory: GUSTO Open

Christopher K. Walker, Craig Kulesa, Abram Young, William Verts, J. R. Gao , et al. · 2022

Gal/Xgal U/LDB Spectroscopic/ Stratospheric THz Observatory (GUSTO) is a NASA Explorers Mission of Opportunity that will make large scale maps of the Milky Way and Large Magellanic Cloud in three important interstellar lines: [CII], [OI], …

CONCERTO: a breakthrough in wide field-of-view spectroscopy at millimeter wavelengths Open

A. Fasano, A. Beelen, Alain Benoît, A. Lundgren, P. A. R. Ade , et al. · 2022

International audience

CCAT-prime: RFSoC Based Readout for Frequency Multiplexed Kinetic Inductance Detectors Open

Adrian K. Sinclair, Ryan C. Stephenson, Cody A. Roberson, Eric Weeks, James Burgoyne , et al. · 2022

The Prime-Cam instrument on the Fred Young Submillimeter Telescope (FYST) is expected to be the largest deployment of millimeter and submillimeter sensitive kinetic inductance detectors to date. To read out these arrays efficiently, a micr…

CCAT-prime: Design of the Mod-Cam receiver and 280 GHz MKID instrument module Open

Eve M. Vavagiakis, Cody J. Duell, Jason E. Austermann, James A. Beall, Tanay Bhandarkar , et al. · 2022

Mod-Cam is a first light and commissioning instrument for the CCAT-prime project's six-meter aperture Fred Young Submillimeter Telescope (FYST), currently under construction at 5600 m on Cerro Chajnantor in Chile's Atacama Desert. Prime-Ca…

CCAT-Prime: Characterization of the First 280 GHz MKID Array for Prime-Cam Open

Steve K. Choi, Cody J. Duell, Jason Austermann, Nicholas F. Cothard, Jiansong Gao , et al. · 2022

Design and testing of kinetic inductance detector package for the Terahertz Intensity Mapper Open

Lun-Jun Liu, R. M. J. Janssen, Charles M. Bradford, Steven Hailey-Dunsheath, J. P. Filippini , et al. · 2022

The Terahertz Intensity Mapper (TIM) is designed to probe the star formation history in dust-obscured star-forming galaxies around the peak of cosmic star formation. This will be done via measurements of the redshifted 157.7 μm line of sin…

IEEE Transactions on Terahertz Science and Technology Open

Imran Mehdi, Sharri Shaw, Frank Maiwald, Scott Barker, Hamidreza Afzal , et al. · 2022

CONCERTO: a breakthrough in wide field-of-view spectroscopy at millimeter wavelengths Open

A. Fasano, A. Beelen, Alain Benoît, A. Lundgren, P. A. R. Ade , et al. · 2022

CarbON CII line in post-rEionization and ReionizaTiOn (CONCERTO) is a low-resolution spectrometer with an instantaneous field-of-view of 18.6 arcmin, operating in the 130-310 GHz transparent atmospheric window. It is installed on the 12-me…

IEEE Transactions on Terahertz Science and Technology Open

Imran Mehdi, Sharri Shaw, Frank Maiwald, Scott Barker, Hamidreza Afzal , et al. · 2022

IEEE Transactions on Terahertz Science and Technology Open

Imran Mehdi, Sharri Shaw, Frank Maiwald, Scott Barker, Hamidreza Afzal , et al. · 2022

CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope Open

Prime Collaboration, M. Aravena, Jason E. Austermann, Kaustuv Basu, Nicholas Battaglia , et al. · 2021

We present a detailed overview of the science goals and predictions for the Prime-Cam direct detection camera/spectrometer being constructed by the CCAT-prime collaboration for dedicated use on the Fred Young Submillimeter Telescope (FYST)…

4.7 THz asymmetric beam multiplexer for GUSTO Open

B. Mirzaei, Yuner Gan, Matvey Finkel, Christopher Groppi, Abram Young , et al. · 2021

A full demonstration of the Fourier phase grating used as 4.7 THz local oscillator (LO) multiplexer for Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory (GUSTO) is presented in this paper, including its design, modeling, tol…

Automated Noise-Parameter Measurements of Cryogenic LNAs Open

Alexander Sheldon, Leonid Belostotski, Hamdi Mani, Christopher Groppi, Karl F. Warnick · 2021

This paper addresses the need for measured cryogenic noise parameters. The measurement process is discussed and an analysis of the measurement uncertainty is performed. To verify proper operation of the measurement system, measurements of …

The Atacama large aperture submillimeter telescope (AtLAST) concept Open

Pamela Klaassen, Tony Mroczkowski, Sean Bryan, Christopher Groppi, Kaustuv Basu , et al. · 2020

The coldest and densest structures of gas and dust in the Universe have unique spectral signatures across the (sub-)millimetre bands (υ ≈30 - 950 GHz). The current generation of single dish facilities has given a glimpse of the potential f…

The Terahertz Intensity Mapper (TIM): a Next-Generation Experiment for Galaxy Evolution Studies Open

J. D. Vieira, James E. Aguirre, C. M. Bradford, J. P. Filippini, Christopher Groppi , et al. · 2020

Understanding the formation and evolution of galaxies over cosmic time is one of the foremost goals of astrophysics and cosmology today. The cosmic star formation rate has undergone a dramatic evolution over the course of the last 14 billi…

Multiple terahertz beams based on a Fourier grating and a quantum cascade laser Open

Yuner Gan, B. Mirzaei, J. R. G. Silva, Ali Khalatpour, Qing Hu , et al. · 2020

Large heterodyne receiver arrays (~100 pixel) allow astronomical instrumentations mapping more area within limited space mission lifetime. One challenge is to generate multiple local oscillator (LO) beams. Here, We succeeded in generating …

81 supra-THz beams generated by a Fourier grating and a quantum cascade laser Open

Yuner Gan, B. Mirzaei, Jose R. G. Silva, Ali Khalatpour, Qing Hu , et al. · 2019

Large heterodyne receiver arrays (~100 pixel) allow astronomical instrumentations to map more area within limited space mission lifetime. One challenge is to generate multiple local oscillator (LO) beams. Here, we succeeded in generating 8…

The Atacama Large Aperture Submillimeter Telescope (AtLAST) Open

Pamela Klaassen, Tony Mroczkowski, Sean Bryan, Christopher Groppi, Kaustuv Basu , et al. · 2019

The sub-mm sky is a unique window for probing the architecture of the Universe and structures within it. From the discovery of dusty sub-mm galaxies, to the ringed nature of protostellar disks, our understanding of the formation, destructi…

First Generation Heterodyne Instrumentation Concepts for the Atacama Large Aperture Submillimeter Telescope Open

Christopher Groppi, A. Baryshev, U. U. Graf, Martina Wiedner, Pamela Klaassen , et al. · 2019

(abridged) The Atacama Large Aperture Submillimeter Telescope (AtLAST) project aims to build a 50-m-class submm telescope with $>1^\circ$ field of view, high in the Atacama Desert, providing fast and detailed mapping of the mm/submm sky. I…

Complex Field Mapping of Large Direct Detector Focal Plane Arrays Open

Kristina Davis, S. J. C. Yates, Willem Jellema, Christopher Groppi, J. J. A. Baselmans , et al. · 2018

Complex field mapping is a powerful tool to characterize the optical performance of astronomical instruments, and has become the standard for characterizing heterodyne array cameras. Recently, an adaptation of the heterodyne beam mapping t…

IF system design for the Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory (GUSTO) Open

M. Neric, Christopher Groppi, Hamdi Mani, Justin Mathewson, Kristina Davis , et al. · 2018

We present the design, and prototype phases of the intermediate frequency (IF) system for the upcoming balloon borne observatory, Galactic/Extragalactic Ultra-Long Duration Balloon (ULDB) Spectroscopic Terahertz Ob- servatory (GUSTO). GUST…

Christopher Groppi YOU? Author Swipe