High sensitivity phonon-mediated kinetic inductance detector with combined amplitude and phase read-out

被引：28

作者：

Cardani, L. ^{[1
,2
]}

Casali, N. ^{[1
]}

Colantoni, I. ^{[3
]}

Cruciani, A. ^{[1
]}

Bellini, F. ^{[1
,4
]}

Castellano, M. G. ^{[3
]}

Cosmelli, C. ^{[1
,4
]}

D'Addabbo, A. ^{[5
]}

Di Domizio, S. ^{[6
,7
]}

Martinez, M. ^{[1
,4
]}

Tomei, C. ^{[1
]}

Vignati, M. ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Roma, Piazzale Aldo Moro 2, I-00185 Rome, Italy

[2] Princeton Univ, Dept Phys, Washington Rd, Princeton, NJ 08544 USA

[3] CNR, Ist Foton Nanotecnol, Via Cineto Romano 42, I-00156 Rome, Italy

[4] Sapienza Univ Roma, Dipartimento Fis, Piazzale Aldo Moro 2, I-00185 Rome, Italy

[5] Ist Nazl Fis Nucl, LNGS, Via Giovanni Acitelli 22, I-67010 Assergi, AQ, Italy

[6] Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy

[7] Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy

来源：

APPLIED PHYSICS LETTERS | 2017年 / 110卷 / 03期

基金：

欧洲研究理事会;

关键词：

DOUBLE-BETA DECAY; TEO2; BOLOMETERS; LIGHT DETECTORS; SUPERCONDUCTOR; SEARCH;

D O I：

10.1063/1.4974082

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Developing wide-area cryogenic light detectors with baseline resolution better than 20 eV is one of the priorities of next generation bolometric experiments searching for rare interactions, as the simultaneous read-out of the light and heat signals enables background suppression through particle identification. Among the proposed technological approaches for the phonon sensor, the naturally multiplexed Kinetic Inductance Detectors (KIDs) stand out for their excellent intrinsic energy resolution and reproducibility. The potential of this technique was proved by the CALDER project that reached a baseline resolution of 154 +/- 7 eV RMS by sampling a 2 x 2 cm(2) Silicon substrate with 4 Aluminum KIDs. In this paper, we present a prototype of Aluminum KID with improved geometry and quality factor. The design improvement, as well as the combined analysis of amplitude and phase signals, allowed to reach a baseline resolution of 82 +/- 4 eV by sampling the same substrate with a single Aluminum KID. (C) 2017 Author(s).

引用

页数：5

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