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Title: Optical design of PICO: a concept for a space mission to probe inflation and cosmic origins

Abstract

The Probe of Inflation and Cosmic Origins (PICO) is a probe-class mission concept currently under study by NASA. PICO will probe the physics of the Big Bang and the energy scale of inflation, constrain the sum of neutrino masses, measure the growth of structures in the universe, and constrain its reionization history by making full sky maps of the cosmic microwave background with sensitivity 80 times higher than the Planck space mission. With bands at 21-799 GHz and arcmin resolution at the highest frequencies, PICO will make polarization maps of Galactic synchrotron and dust emission to observe the role of magnetic fields in Milky Way's evolution and star formation. We discuss PICO's optical system, focal plane, and give current best case noise estimates. The optical design is a two-reflector optimized open-Dragone design with a cold aperture stop. It gives a diffraction limited field of view (DLFOV) with throughput of 910 cm2sr at 21 GHz. The large 82 square degree DLFOV hosts 12,996 transition edge sensor bolometers distributed in 21 frequency bands and maintained at 0.1 K. We use focal plane technologies that are currently implemented on operating CMB instruments including three-color multi-chroic pixels and multiplexed readouts. To our knowledge, thismore » is the first use of an open-Dragone design for mm-wave astrophysical observations, and the only monolithic CMB instrument to have such a broad frequency coverage. Finally, with current best case estimate polarization depth of 0.65 μKCMB-arcmin over the entire sky, PICO is the most sensitive CMB instrument designed to date.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [12];  [7];  [13];  [14];  [13];  [15];  [16];  [17];  [18] more »;  [7];  [19];  [7];  [20];  [7];  [1];  [7];  [1];  [7];  [1];  [21] « less
+ Show Author Affiliations
  1. Univ. of Minnesota, Twin Cities, MN (United States)
  2. Univ. of California, Berkeley, CA (United States)
  3. Flatiron Inst., New York, NY (United States)
  4. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  6. Villanova Univ., Villanova, PA(United States)
  7. California Inst. of Technology (CalTech), La Canada Flintridge, CA (United States). Jet Propulsion Lab.
  8. Lab. Astroparticule et Cosmologie, Paris (France)
  9. Univ. of Pennsylvania, Philadelphia, PA (United States)
  10. National Radio Astronomy Observatory, Charlottesville, VA (United States)
  11. Univ. of California, San Diego, CA (United States)
  12. Univ. of Toronto, ON (Canada)
  13. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  14. Univ. of Cambridge (United Kingdom)
  15. Columbia Univ., New York, NY (United States)
  16. Princeton Univ., NJ (United States)
  17. Univ. of California, Davis, CA (United States)
  18. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  19. Univ. of Tokyo (Japan). Kavli Inst. for the Physics and Mathematics of the Universe
  20. Univ. of Michigan, Ann Arbor, MI (United States)
  21. Istituto Nazionale di Astrofisica (INAF), Padova (Italy). Osservatorio Astronomico di Padova
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1525273
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Proceedings of SPIE - The International Society for Optical Engineering
Additional Journal Information:
Journal Volume: 10698; Conference: Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, Austin, TX (United States), 10-15 June 2018; Journal ID: ISSN 0277-786X
Publisher:
SPIE
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Young, Karl, Alvarez, Marcelo, Battaglia, Nicholas, Bock, Jamie, Borrill, Jullian, Chuss, David, Crill, Brendan, Delabrouille, Jacques, Devlin, Mark, Fissel, Laura, Flauger, Raphael, Green, Daniel, Gorski, Krzysztof, Hanany, Shaul, Hills, Richard, Hubmayr, Johannes, Johnson, Bradley, Jones, William, Knox, Lloyd, Kogut, Alan, Lawrence, Charles, Matsumura, Tomotake, McGuire, James, McMahon, Jeff, O'Brient, Roger, Pryke, Clement, Sutin, Brian M., Tan, Xin Zhi, Trangsrud, Amy, Wen, Qi, and De Zotti, Gianfranco. Optical design of PICO: a concept for a space mission to probe inflation and cosmic origins. United States: N. p., 2018. Web. doi:10.1117/12.2309421.
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Young, Karl, Alvarez, Marcelo, Battaglia, Nicholas, Bock, Jamie, Borrill, Jullian, Chuss, David, Crill, Brendan, Delabrouille, Jacques, Devlin, Mark, Fissel, Laura, Flauger, Raphael, Green, Daniel, Gorski, Krzysztof, Hanany, Shaul, Hills, Richard, Hubmayr, Johannes, Johnson, Bradley, Jones, William, Knox, Lloyd, Kogut, Alan, Lawrence, Charles, Matsumura, Tomotake, McGuire, James, McMahon, Jeff, O'Brient, Roger, Pryke, Clement, Sutin, Brian M., Tan, Xin Zhi, Trangsrud, Amy, Wen, Qi, & De Zotti, Gianfranco. Optical design of PICO: a concept for a space mission to probe inflation and cosmic origins. United States. https://doi.org/10.1117/12.2309421
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Young, Karl, Alvarez, Marcelo, Battaglia, Nicholas, Bock, Jamie, Borrill, Jullian, Chuss, David, Crill, Brendan, Delabrouille, Jacques, Devlin, Mark, Fissel, Laura, Flauger, Raphael, Green, Daniel, Gorski, Krzysztof, Hanany, Shaul, Hills, Richard, Hubmayr, Johannes, Johnson, Bradley, Jones, William, Knox, Lloyd, Kogut, Alan, Lawrence, Charles, Matsumura, Tomotake, McGuire, James, McMahon, Jeff, O'Brient, Roger, Pryke, Clement, Sutin, Brian M., Tan, Xin Zhi, Trangsrud, Amy, Wen, Qi, and De Zotti, Gianfranco. Thu . "Optical design of PICO: a concept for a space mission to probe inflation and cosmic origins". United States. https://doi.org/10.1117/12.2309421. https://www.osti.gov/servlets/purl/1525273.
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@article{osti_1525273,
title = {Optical design of PICO: a concept for a space mission to probe inflation and cosmic origins},
author = {Young, Karl and Alvarez, Marcelo and Battaglia, Nicholas and Bock, Jamie and Borrill, Jullian and Chuss, David and Crill, Brendan and Delabrouille, Jacques and Devlin, Mark and Fissel, Laura and Flauger, Raphael and Green, Daniel and Gorski, Krzysztof and Hanany, Shaul and Hills, Richard and Hubmayr, Johannes and Johnson, Bradley and Jones, William and Knox, Lloyd and Kogut, Alan and Lawrence, Charles and Matsumura, Tomotake and McGuire, James and McMahon, Jeff and O'Brient, Roger and Pryke, Clement and Sutin, Brian M. and Tan, Xin Zhi and Trangsrud, Amy and Wen, Qi and De Zotti, Gianfranco},
abstractNote = {The Probe of Inflation and Cosmic Origins (PICO) is a probe-class mission concept currently under study by NASA. PICO will probe the physics of the Big Bang and the energy scale of inflation, constrain the sum of neutrino masses, measure the growth of structures in the universe, and constrain its reionization history by making full sky maps of the cosmic microwave background with sensitivity 80 times higher than the Planck space mission. With bands at 21-799 GHz and arcmin resolution at the highest frequencies, PICO will make polarization maps of Galactic synchrotron and dust emission to observe the role of magnetic fields in Milky Way's evolution and star formation. We discuss PICO's optical system, focal plane, and give current best case noise estimates. The optical design is a two-reflector optimized open-Dragone design with a cold aperture stop. It gives a diffraction limited field of view (DLFOV) with throughput of 910 cm2sr at 21 GHz. The large 82 square degree DLFOV hosts 12,996 transition edge sensor bolometers distributed in 21 frequency bands and maintained at 0.1 K. We use focal plane technologies that are currently implemented on operating CMB instruments including three-color multi-chroic pixels and multiplexed readouts. To our knowledge, this is the first use of an open-Dragone design for mm-wave astrophysical observations, and the only monolithic CMB instrument to have such a broad frequency coverage. Finally, with current best case estimate polarization depth of 0.65 μKCMB-arcmin over the entire sky, PICO is the most sensitive CMB instrument designed to date.},
doi = {10.1117/12.2309421},
journal = {Proceedings of SPIE - The International Society for Optical Engineering},
number = ,
volume = 10698,
place = {United States},
year = {Thu Aug 02 00:00:00 EDT 2018},
month = {Thu Aug 02 00:00:00 EDT 2018}
}
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https://doi.org/10.1117/12.2309421
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