The Status of Music: A Multicolor Sub/millimeter MKID Instrument

被引：16

作者：

Schlaerth, J. A. ^{[1
,2
]}

Czakon, N. G. ^{[1
]}

Day, P. K. ^{[3
]}

Downes, T. P. ^{[1
]}

Duan, R. ^{[1
]}

Glenn, J. ^{[2
]}

Golwala, S. R. ^{[1
]}

Hollister, M. I. ^{[1
]}

LeDuc, H. G. ^{[3
]}

Maloney, P. R. ^{[2
]}

Mazin, B. A. ^{[4
]}

Nguyen, H. T. ^{[3
]}

Noroozian, O. ^{[1
]}

Sayers, J. ^{[1
]}

Siegel, S. ^{[1
]}

Zmuidzinas, J. ^{[1
]}

机构：

[1] CALTECH, Pasadena, CA 91125 USA

[2] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2012年 / 167卷 / 3-4期

关键词：

Radio telescopes and instrumentation; Superconducting infrared; Submillimeter and millimeter-wave detectors;

D O I：

10.1007/s10909-012-0541-7

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the recent progress of the Multicolor Submillimeter (kinetic) Inductance Camera, or MUSIC. MUSIC will use antenna-coupled Microwave Kinetic Inductance Detectors to observe in four colors (150 GHz, 230 GHz, 290 GHz and 350 GHz) with 2304 detectors, 576 per band, at the Caltech Submillimeter Observatory. It will deploy in 2012. Here we provide an overview of the instrument, focusing on the array design. We have also used a pathfinder demonstration instrument, DemoCam, to identify problems in advance of the deployment of MUSIC. In particular, we identified two major limiters of our sensitivity: out-of-band light directly coupling to the detectors (i.e. not through the antenna), effectively an excess load, and a large 1/f contribution from our amplifiers and electronics. We discuss the steps taken to mitigate these effects to reach background-limited performance (BLIP) in observation.

引用

页码：347 / 353

页数：7

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