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Proceedings Paper

Panoramic optical and near-infrared SETI instrument: optical and structural design concepts
Author(s): Jérôme Maire; Shelley A. Wright; Maren Cosens; Franklin P. Antonio; Michael L. Aronson; Samuel A. Chaim-Weismann; Frank D. Drake; Paul Horowitz; Andrew W. Howard; Geoffrey W. Marcy; Rick Raffanti; Andrew P. V. Siemion; Remington P. S. Stone; Richard R. Treffers; Avinash Uttamchandani; Dan Werthimer
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Paper Abstract

We propose a novel instrument design to greatly expand the current optical and near-infrared SETI search pa- rameter space by monitoring the entire observable sky during all observable time. This instrument is aimed to search for technosignatures by means of detecting nano- to micro-second light pulses that could have been emitted, for instance, for the purpose of interstellar communications or energy transfer. We present an instru- ment conceptual design based upon an assembly of 198 refracting 0.5-m telescopes tessellating two geodesic domes. This design produces a regular layout of hexagonal collecting apertures that optimizes the instrument footprint, aperture diameter, instrument sensitivity and total field-of-view coverage. We also present the optical performance of some Fresnel lenses envisaged to develop a dedicated panoramic SETI (PANOSETI) observatory that will dramatically increase sky-area searched (pi steradians per dome), wavelength range covered, number of stellar systems observed, interstellar space examined and duration of time monitored with respect to previous optical and near-infrared technosignature finders.

Paper Details

Date Published: 16 July 2018
PDF: 14 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107025L (16 July 2018); doi: 10.1117/12.2314444
Show Author Affiliations
Jérôme Maire, Univ. of California, San Diego (United States)
Shelley A. Wright, Univ. of California, San Diego (United States)
Maren Cosens, Univ. of California, San Diego (United States)
Franklin P. Antonio, Qualcomm (United States)
Michael L. Aronson, Electronics Packaging Man (United States)
Samuel A. Chaim-Weismann, Univ. of California, Berkeley (United States)
Frank D. Drake, SETI Institute (United States)
Paul Horowitz, Harvard Univ. (United States)
Andrew W. Howard, California Institute of Technology (United States)
Geoffrey W. Marcy, Univ. of California, Berkeley (United States)
Rick Raffanti, Techne Instruments (United States)
Andrew P. V. Siemion, Univ. of California, Berkeley (United States)
SETI Institute (United States)
Radboud Univ. Nijmegen (Netherlands)
Remington P. S. Stone, Lick Observatory (United States)
Richard R. Treffers, Starman Systems (United States)
Avinash Uttamchandani, Nonholonomy, LLC (United States)
Dan Werthimer, Univ. of California, Berkeley (United States)

Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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