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Title:
Design and Performance of SuperSpec: An On-Chip, KID-Based, mm-Wavelength Spectrometer
Authors:
Shirokoff, E.; Barry, P. S.; Bradford, C. M.; Chattopadhyay, G.; Day, P.; Doyle, S.; Hailey-Dunsheath, S.; Hollister, M. I.; Kovács, A.; Leduc, H. G.; McKenney, C. M.; Mauskopf, P.; Nguyen, H. T.; O'Brient, R.; Padin, S.; Reck, T. J.; Swenson, L. J.; Tucker, C. E.; Zmuidzinas, J.
Affiliation:
AA(California Institute of Technology, Pasadena, CA, USA), AB(School of Physics and Astronomy, Cardiff University, Cardiff, Wales, UK), AC(Jet Propulsion Laboratory, Pasadena, CA, USA), AD(Jet Propulsion Laboratory, Pasadena, CA, USA), AE(Jet Propulsion Laboratory, Pasadena, CA, USA), AF(School of Physics and Astronomy, Cardiff University, Cardiff, Wales, UK), AG(California Institute of Technology, Pasadena, CA, USA), AH(California Institute of Technology, Pasadena, CA, USA), AI(California Institute of Technology, Pasadena, CA, USA), AJ(Jet Propulsion Laboratory, Pasadena, CA, USA), AK(California Institute of Technology, Pasadena, CA, USA), AL(School of Physics and Astronomy, Cardiff University, Cardiff, Wales, UK; Arizona State University, Tempe, AZ, USA), AM(Jet Propulsion Laboratory, Pasadena, CA, USA), AN(California Institute of Technology, Pasadena, CA, USA; Jet Propulsion Laboratory, Pasadena, CA, USA), AO(California Institute of Technology, Pasadena, CA, USA), AP(Jet Propulsion Laboratory, Pasadena, CA, USA), AQ(Jet Propulsion Laboratory, Pasadena, CA, USA), AR(School of Physics and Astronomy, Cardiff University, Cardiff, Wales, UK), AS(California Institute of Technology, Pasadena, CA, USA; Jet Propulsion Laboratory, Pasadena, CA, USA)
Publication:
Journal of Low Temperature Physics, Volume 176, Issue 5-6, pp. 657-662 (JLTP Homepage)
Publication Date:
09/2014
Origin:
SPRINGER
Keywords:
Kinetic inductance detectors, Resonators, Millimeter-wavelength, Spectroscopy
Abstract Copyright:
(c) 2014: Springer Science+Business Media New York
DOI:
10.1007/s10909-014-1122-8
Bibliographic Code:
2014JLTP..176..657S

Abstract

SuperSpec is an ultra-compact spectrometer-on-a-chip for mm and submm wavelength astronomy. Its very small size, wide spectral bandwidth, and highly multiplexed detector readout will enable construction of powerful multi-object spectrometers for observations of galaxies at high redshift. SuperSpec is a filter bank with planar, lithographed, superconducting transmission line resonator filters and lumped-element kinetic inductance detectors made from Titanium Nitride. We have built an 81 detector prototype that operates in the 195-310 GHz band. The prototype has a wide-band metal feed horn with a transition to microstrip that feeds the filter bank. The prototype has demonstrated optical filter bank channels with a range of resolving powers from 300 to 700, measured fractional frequency noise of at Hz.
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