A passive terahertz video camera based on lumped element kinetic inductance detectors

被引：40

作者：

Rowe, Sam ^{[1
]}

Pascale, Enzo ^{[1
]}

Doyle, Simon ^{[1
]}

Dunscombe, Chris ^{[1
]}

Hargrave, Peter ^{[1
]}

Papageorgio, Andreas ^{[1
]}

Wood, Ken ^{[2
]}

Ade, Peter A. R. ^{[1
]}

Barry, Peter ^{[1
]}

Bideaud, Aurelien ^{[1
]}

Brien, Tom ^{[1
]}

Dodd, Chris ^{[1
]}

Grainger, William ^{[3
]}

House, Julian ^{[1
]}

Mauskopf, Philip ^{[1
,4
]}

Moseley, Paul ^{[1
]}

Spencer, Locke ^{[5
]}

Sudiwala, Rashmi ^{[1
]}

Tucker, Carole ^{[1
]}

Walker, Ian ^{[1
]}

机构：

[1] Cardiff Univ, Sch Phys & Astron, Astron Instrumentat Grp, Cardiff CF24 3AA, S Glam, Wales

[2] Cardiff Univ, QMC Instruments Ltd, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[3] STFC, Rutherford Appleton Lab, Swindon SN2 1SZ, Wilts, England

[4] Arizona State Univ, Sch Earth Sci & Space Explorat, Tempe, AZ 85281 USA

[5] Univ Lethbridge, Dept Phys & Astron, Lethbridge, AB T1K 3M4, Canada

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 03期

基金：

英国科学技术设施理事会;

关键词：

PHOTON-NOISE; INSTRUMENT; NIKA;

D O I：

10.1063/1.4941661

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have developed a passive 350 GHz (850 mu m) video-camera to demonstrate lumped element kinetic inductance detectors (LEKIDs)-designed originally for far-infrared astronomy-as an option for general purpose terrestrial terahertz imaging applications. The camera currently operates at a quasi-video frame rate of 2 Hz with a noise equivalent temperature difference per frame of similar to 0.1 K, which is close to the background limit. The 152 element superconducting LEKID array is fabricated from a simple 40 nm aluminum film on a silicon dielectric substrate and is read out through a single microwave feedline with a cryogenic low noise amplifier and room temperature frequency domain multiplexing electronics. (C) 2016 AIP Publishing LLC.

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页数：8

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