Dr. Jean-Marc Martin Profile

Dr. Jean-Marc Martin

at Caltech

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Proceedings Article | 16 August 2024 Presentation + Paper

NEW-MUSIC: The Next-generation Extended-Wavelength MUltiband Sub/millimeter Inductance Camera

Sunil Golwala, Andrew Beyer, Daniel Cunnane, Peter Day, Fabien Defrance, Clifford Frez, Xiaolan Huang, Junhan Kim, Jean-Marc Martin, Jack Sayers, Shibo Shu, Shiling Yu

Proceedings Volume 13102, 1310202 (2024) https://doi.org/10.1117/12.3021175

KEYWORDS: Aluminum, Antennas, Design, Niobium, Resonators, Windows, Capacitors, Sensors, Mirrors, Tunable filters

Read Abstract +

The Next-generation Extended Wavelength-MUltiband Sub/millimeter Inductance Camera (NEW-MUSIC) on the Leighton Chajnantor Telescope (LCT) will be a first-of-its-kind, six-band, transmillimeter-wave (“trans-mm”) polarimeter covering 2.4 octaves of spectral bandwidth to open a new window on the trans-mm time-domain frontier, in particular new frontiers in energy, density, time, and magnetic field. NEW-MUSIC’s broad spectral coverage will also enable the use of the Sunyaev-Zeldovich effects to study accretion, feedback, and dust content in the hot gaseous haloes of galaxies and galaxy clusters. Six-band spectral energy distributions, with polarization information, will yield new insights into stellar and planetary nurseries. NEW-MUSIC will employ hierarchical, phased arrays of polarization-sensitive superconducting slot-dipole antennas, coupled to photolithographic bandpass filters, to nearly optimally populate LCT’s 14′ field-of-view with six spectral bands over 80–420 GHz (1:5.25 spectral dynamic range; 2.4 octaves). Light will be routed to Al or AlMn microstripline-coupled, parallel-plate capacitor, lumped-element kinetic inductance detectors (MS-PPC-LEKIDs), an entirely new KID architecture that substantially enhances design flexibility while providing background-limited performance. Innovative, wide-bandwidth, etched silicon structures will be used to antireflection-treat the back-illuminated focal plane. NEW-MUSIC will cost-effectively reuse much of the MUSIC instrument, initially deploying a quarter-scale focal plane capable of the bulk of NEW-MUSIC science followed later by a full-FoV focal plane needed for NEW-MUSIC wide-area survey science.

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