Design and Performance of SuperSpec: An On-Chip, KID-Based, mm-Wavelength Spectrometer
نویسندگان
چکیده
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 lumpedelement kinetic inductance detectors made from Titanium Nitride. We have built an 81 detector prototype that operates in the 195–310GHz 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 10−17Hz−1 at 1Hz.
منابع مشابه
W . M . Keck Institute for Space Studies Final Report Erik Shirokoff August 2011 - May 2013
SuperSpec is an ultra-compact spectrometer-on-a-chip for millimeter and submillimeter wavelength astronomy. Its very small size, wide spectral bandwidth, and highly multiplexed readout will enable construction of powerful multibeam spectrometers for high-redshift observations. The spectrometer consists of a horn-coupled microstrip feedline, a bank of narrow-band superconducting resonator filter...
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