Second-Generation Design of Micro-Spec: A Medium-Resolution, Submillimeter-Wavelength Spectrometer-on-a-Chip

The coldest and densest structures of gas and dust in the Universe have unique spectral signatures across the (sub-)millimetre bands (ν ≈ 30 − 950 GHz). The current generation of single dish facilities has given a glimpse of the potential for discovery, while sub-mm interferometers have presented a high resolution view into the finer details of known targets or in small-area deep fields. However, significant advances in our understanding of such cold and dense structures are now hampered by the limited sensitivity and angular resolution of our sub-mm view of the Universe at larger scales. In this context, we present the case for a new transformational astronomical facility in the 2030s, the Atacama Large Aperture Submillimetre Telescope (AtLAST). AtLAST is a concept for a 50-m-class single dish telescope, with a high throughput provided by a 2 deg -diameter Field of View, located on a high, dry site in the Atacama with good atmospheric transmission up to ν ∼ 1 THz, and fully powered by renewable energy. We envision AtLAST as a facility operated by an international partnership with a

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“…Example instrumental pathfinders are now abundant in the literature. [59][60][61][62][63][64][65][66][67][68]…”

Section: Proposed Instrumentationmentioning

confidence: 99%

The Atacama large aperture submillimeter telescope (AtLAST) concept

Klaassen

Mroczkowski²,

Bryan

et al. 2020

Ground-Based and Airborne Telescopes VIII

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“…The natural multiplexing capability of kinetic inductance detectors (KIDs) enables the high detector counts necessary for these instruments. Several other projects are pursuing similar approaches, including the DESHIMA on-chip filter bank 5 , the Micro-Spec on-chip grating spectrometer 6 , and the WSPEC waveguide filter bank 7 .…”

Section: Introductionmentioning

confidence: 99%

Full-Array Noise Performance of Deployment-Grade SuperSpec mm-Wave On-Chip Spectrometers

et al. 2020

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SuperSpec is an on-chip filter-bank spectrometer designed for wideband moderateresolution spectroscopy at millimeter wavelengths, employing TiN kinetic inductance detectors. SuperSpec technology will enable large-format spectroscopic integral field units suitable for high-redshift line intensity mapping and multi-object spectrographs. In previous results we have demonstrated noise performance in individual detectors suitable for photon noise limited ground-based observations at excellent mm-wave sites. In these proceedings we present the noise performance of a full R ∼ 275 spectrometer measured using deployment-ready RF hardware and software. We report typical noise equivalent powers through the full device of ∼ 3 × 10 −16 W Hz −1/2 at expected sky loadings, which are photon noise dominated. Based on these results, we plan to deploy a six-spectrometer demonstration instrument to the Large Millimeter Telescope in early 2020.

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“…Micro-Spec (µ-Spec) [19][20][21][22] is an MKIDs based project designed to measure spectra in the 0.5-1.0 mm (300-600 GHz) range using a different principle. Quite simplified, light from the telescope is focused onto an antenna structure that couples the photons into a Nb feedline.…”

Section: Mkid On-chip Spectrometersmentioning

confidence: 99%

Applications for Microwave Kinetic Induction Detectors in Advanced Instrumentation

2021

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In recent years Microwave Kinetic Inductance Detectors (MKIDs) have emerged as one of the most promising novel low temperature detector technologies. Their unrivaled scalability makes them very attractive for many modern applications and scientific instruments. In this paper we intend to give an overview of how and where MKIDs are currently being used or are suggested to be used in the future. MKID based projects are ongoing or proposed for observational astronomy, particle physics, material science and THz imaging, and the goal of this review is to provide an easily usable and thorough list of possible starting points for more in-depth literature research on the many areas profiting from kinetic inductance detectors.

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Second-Generation Design of Micro-Spec: A Medium-Resolution, Submillimeter-Wavelength Spectrometer-on-a-Chip

Cited by 25 publications

References 17 publications

The Atacama large aperture submillimeter telescope (AtLAST) concept

The Atacama large aperture submillimeter telescope (AtLAST) concept

Full-Array Noise Performance of Deployment-Grade SuperSpec mm-Wave On-Chip Spectrometers

Applications for Microwave Kinetic Induction Detectors in Advanced Instrumentation

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