26 May 2024 to 1 June 2024
La Biodola - Isola d'Elba (Italy)
Europe/Rome timezone

A 350GHz array of LEKIDs for balloon-borne CMB observations

30 May 2024, 15:31
3h 49m
Sala Elena

Sala Elena

Poster T9 - Low Temperature, Quantum and Emerging Technologies Low Temperature, Quantum and Emerging Technologies - Poster Session

Speaker

Federico Cacciotti (Università di Roma / INFN)

Description

We present the design, optimization and laboratory characterization of an array of Lumped Element Kinetic Inductance Detectors sensitive in a frequency band centered at 350 GHz. The array consists of 313 feed-horn coupled pixels with resonant frequencies spread over 250 MHz. We present measured yield, quality factor, responsivity, quasiparticle lifetime, noise equivalent power and optical efficiency. The array is a prototype for one of the four frequency bands of OLIMPO, a balloon-borne instrument with a 2.6 meter primary mirror proposed for an Antarctic flight to measure the Sunyaev-Zel’dovich effect in clusters of galaxies. Similar arrays could also be used with instruments studying the polarization of the cosmic microwave background radiation.

Role of Submitter I am the presenter

Primary author

Federico Cacciotti (Università di Roma / INFN)

Co-authors

Alessandro Coppolecchia (Sapienza Università di Roma, Dipartimento di Fisica) Alessandro Paiella (Sapienza Università di Roma, Dipartimento di Fisica) Camille Avestruz (University of Michigan) Elia Stefano Battistelli (Sapienza Università di Roma, Dipartimento di Fisica) Erwin Lau (Harvard-Smithsonian Center for Astrophysics) Esra Bulbul (Max Planck Institute for extraterrestrial Physics) Fabio Columbro (Sapienza Università di Roma, Dipartimento di Fisica) Francesco Piacentini (Sapienza Università di Roma, Dipartimento di Fisica) Giorgio Pettinari (CNR-IFN Roma) Giuseppe D'Alessandro (Sapienza Università di Roma, Dipartimento di Fisica) Irina Zhuravleva (Department of Astronomy and Astrophysics, University of Chicago) Jack Sayers (California Institute of Technology) Luca Lamagna (Sapienza Università di Roma, Dipartimento di Fisica) Marco De Petris (Sapienza Università di Roma, Dipartimento di Fisica) Paolo De Bernardis (Sapienza Università di Roma, Dipartimento di Fisica) Ritoban Basu Tackur (California Institute of Technology) Scott Cray (School of Physics and Astronomy, University of Minnesota) Shaul Hanany (School of Physics and Astronomy, University of Minnesota) Silvia Masi (Sapienza Università di Roma, Dipartimento di Fisica)

Presentation materials