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Published July 15, 2010 | Published
Book Section - Chapter Open

MUSIC for sub/millimeter astrophysics


MUSIC (the Multiwavelength Submillimeter kinetic Inductance Camera) is an instrument being developed for the Caltech Submillimeter Observatory by Caltech, JPL, the University of Colorado, and UCSB. MUSIC uses microwave kinetic inductance detectors (MKIDs) - superconducting micro-resonators - as photon detectors. The readout is almost entirely at room temperature and is highly multiplexed. MUSIC will have 576 spatial pixels in four bands at 850, 1100, 1300 and 2000 microns. MUSIC is scheduled for deployment at the CSO in the winter of 2010/2011. We present an overview of the camera design and readout and describe the current status of the instrument and some results from the highly successful May/June 2010 observing run at the CSO with the prototype camera, which verified the performance of the complete system (optics, antennas/filters, resonators, and readout) and produced the first simultaneous 3-color observations with any MKID camera.

Additional Information

© 2010 SPIE The International Society for Optical Engineering. The MUSIC project is supported by NSF grant AST-0705157 to the University of Colorado, NASA grant NNGC06C71G to Caltech, the Gordon and Betty Moore Foundation, and the JPL Research and Technology Development Fund. As always, the CSO day crew provided terrific support for the observing run. We are grateful to the Xilinx corporation for their generous donation of the FPGAs needed for the readout electronics. Jack Sayers was supported by a NASA Postdoctoral Program Fellowship and James Schlaerth and Nicole Czakon were partially supported by NASA Graduate Student Researchers Program Fellowships.

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