SuperSpec: On-Chip Spectrometer Design, Characterization, and Performance

SuperSpec: On-Chip Spectrometer Design, Characterization, and Performance
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SuperSpec:片上光谱仪设计、表征和性能

DOI:
10.1007/s10909-022-02866-x
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发表时间:
2022
影响因子:
2
通讯作者:
Mauskopf, P.
Mauskopf, P.
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Redford, J.;Barry, P. S.;Bradford, C. M.;Chapman, S.;Glenn, J.;Hailey-Dunsheath, S.;Janssen, R. M.;Karkare, K. S.;LeDuc, H. G.;Mauskopf, P.

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SuperSpec是一种集成的片上光谱仪,用于毫米和亚毫米天文,旨在为大型多光束光谱仪仪器铺平道路。SuperSpec正在展示一种三束双偏振仪器,用于观测遥远星系中的恒星形成,该仪器安装在墨西哥Sierra Negra火山上的50米望远镜——大型毫米望远镜上。SuperSpec在1毫米大气窗口(200-300 GHz)中提供中等分辨率(),在3.5 cm x 5.5 cm芯片上采用光刻图案滤波器组。用于部署的滤波器组由铌实现,由透镜天线馈电,并使用极小体积的()氮化钛集总元素动力学电感探测器(LEKIDs)作为传感器。该光谱仪的小尺寸和动力电感探测器固有的可复用性将允许SuperSpec在未来更大的多像素/多目标光谱仪中使用,远远超过即将展示的三像素光谱仪。我们报告了光谱仪的设计,即将到来的SuperSpec部署设备的实验室表征。这包括对滤波器组光谱响应的实验室测试,以及观察TiN KIDs中的噪声。
SuperSpec is an integrated, on-chip spectrometer for millimeter and sub-millimeter astronomy intended to pave the way for large-scale, multi-beam spectrometer instruments. SuperSpec is demonstrating a three beam, dual-polarization instrument for observing star formation in distant galaxies on the Large Millimeter Telescope , a 50 m telescope on Volcan Sierra Negra in Mexico. SuperSpec provides moderate resolution () in the 1 mm atmospheric window (200–300 GHz) with a lithographically patterned filterbank on a 3.5 cm x 5.5 cm chip. The filterbank intended for deployment is implemented in niobium, fed by a lensed antenna, and using a extremely low-volume () titanium nitride lumped element kinetic inductor detectors (LEKIDs) as the sensors. The small size of the spectrometer and inherent multiplexibility of the kinetic inductance detectors will allow the future use of SuperSpec in larger, multi-pixel/multi-object spectrometers far beyond the three-pixel spectrometer being demonstrated soon. We report the design of the spectrometer, laboratory characterization of devices for the upcoming SuperSpec deployment. This involves laboratory testing of the filterbank spectral response, and observing noise in the TiN KIDs.
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发表时间: 2018
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DOI: 10.1007/s10909-018-2061-6
发表时间: 2018
影响因子: 2
作者:
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DOI: --
发表时间: 2020
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