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Optics for MUSIC: a new (sub)millimeter camera for the Caltech Submillimeter Observatory

Sayers, Jack and Czakon, Nicole G. and Day, Peter K. and Downes, Thomas P. and Duan, Ran P. and Gao, Jiansong and Glenn, Jason and Golwala, Sunil R. and Hollister, Matt I. and LeDuc, Henry G. and Mazin, Benjamin A. and Maloney, Philip R. and Noroozian, Omid and Nguyen, Hien T. and Schlaerth, James A. and Siegel, Seth and Vaillancourt, John E. and Vayonakis, Anastasios and Wilson, Philip R. and Zmuidzinas, Jonas (2010) Optics for MUSIC: a new (sub)millimeter camera for the Caltech Submillimeter Observatory. In: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V. Proceedings of SPIE. No.7741. Society of Photo-Optical Instrumentation Engineers , Bellingham, WA, Art. No. 77410W. ISBN 978-0-81948-231-0. https://resolver.caltech.edu/CaltechAUTHORS:20161108-085104803

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Abstract

We will present the design and implementation, along with calculations and some measurements of the performance, of the room-temperature and cryogenic optics for MUSIC, a new (sub)millimeter camera we are developing for the Caltech Submm Observatory (CSO). The design consists of two focusing elements in addition to the CSO primary and secondary mirrors: a warm off-axis elliptical mirror and a cryogenic (4K) lens. These optics will provide a 14 arcmin field of view that is diffraction limited in all four of the MUSIC observing bands (2.00, 1.33, 1.02, and 0.86 mm). A cold (4K) Lyot stop will be used to define the primary mirror illumination, which will be maximized while keeping spillover at the sub 1% level. The MUSIC focal plane will be populated with broadband phased antenna arrays that efficiently couple to factor of (see manuscript) 3 in bandwidth, and each pixel on the focal plane will be read out via a set of four lumped element filters that define the MUSIC observing bands (i.e., each pixel on the focal plane simultaneously observes in all four bands). Finally, a series of dielectric and metal-mesh low pass filters have been implemented to reduce the optical power load on the MUSIC cryogenic stages to a quasi-negligible level while maintaining good transmission in-band.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1117/12.857324DOIArticle
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=751880PublisherArticle
ORCID:
AuthorORCID
Sayers, Jack0000-0002-8213-3784
Glenn, Jason0000-0001-7527-2017
Golwala, Sunil R.0000-0002-1098-7174
Siegel, Seth0000-0003-2631-6217
Additional Information:© 2010 SPIE. We acknowledge the assistance of: Sean Lin and Jaime Luna of NASA’s Jet Propulsion Laboratory, who engineered the relay optics for the CSO, Marton Precision Manufacturing, Inc. for building the relay optics, Marc Runyan and Randol Aikon for insights from their work developing optical components for SPIDER and BICEP II, Diana Bisel, Kathy Deniston, and BarbaraWertz for exceptional administrative assistance, and the Hilo-based staff of the CSO for help with the design and ongoing installation of the new relay optics. The MKID Camera project is supported by NSF grant AST-0705157 to the University of Colorado, NASA grant NNGC06C71G to Caltech, the Gordon and Betty Moore Foundation, NASA grant NNX10AC83G, and the JPL Research and Technology Development Fund. 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. The research described in this paper was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.
Funders:
Funding AgencyGrant Number
NSFAST-0705157
NASANNGC06C71G
Gordon and Betty Moore FoundationUNSPECIFIED
NASANNX10AC83G
JPL Research and Technology Development FundUNSPECIFIED
NASA/JPL/CaltechUNSPECIFIED
NASA Postdoctoral ProgramUNSPECIFIED
NASA Graduate Student Research FellowshipUNSPECIFIED
Subject Keywords:MUSIC, MKID, Relay Optics, Caltech Submillimeter Observatory
Series Name:Proceedings of SPIE
Issue or Number:7741
Record Number:CaltechAUTHORS:20161108-085104803
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20161108-085104803
Official Citation:Jack Sayers ; Nicole G. Czakon ; Peter K. Day ; Thomas P. Downes ; Ran P. Duan ; Jiansong Gao ; Jason Glenn ; Sunil R. Golwala ; Matt I. Hollister ; Henry G. LeDuc ; Benjamin A. Mazin ; Philip R. Maloney ; Omid Noroozian ; Hien T. Nguyen ; James A. Schlaerth ; Seth Siegel ; John E. Vaillancourt ; Anastasios Vayonakis ; Philip R. Wilson ; Jonas Zmuidzinas; Optics for MUSIC: a new (sub)millimeter camera for the Caltech Submillimeter Observatory. Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77410W (July 15, 2010); doi:10.1117/12.857324
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71799
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:08 Nov 2016 17:04
Last Modified:09 Mar 2020 13:18

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