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Proceedings Paper

The measuring apparatus research for BigBOSS fiber-positioner
Author(s): Zengxiang Zhou; Michael Sholl; Christoph Schenk; Joe Silber; Chris Bebek; Chao Zhai
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Paper Abstract

Throughput of a fiber-robot-based multi-object spectrograph depends on the accuracy and precision of the fiber position system. An efficient and accurate method of quantifying the performance of an actuator is necessary during the design iteration process, final design, and for post-production characterization. A CCD camera-based optical setup was developed at the Lawrence Berkeley National Laboratory to test these parameters of fiber robot positioners. The setup is described, as well as tests used to quantify distortion and cross-check measurement by smart scope.

Paper Details

Date Published: 24 September 2012
PDF: 11 pages
Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84465Q (24 September 2012); doi: 10.1117/12.925103
Show Author Affiliations
Zengxiang Zhou, Univ. of Science and Technology of China (China)
Michael Sholl, Univ. of California, Berkeley (United States)
Christoph Schenk, Lawrence Berkeley National Lab. (United States)
Joe Silber, Lawrence Berkeley National Lab. (United States)
Chris Bebek, Lawrence Berkeley National Lab. (United States)
Chao Zhai, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8446:
Ground-based and Airborne Instrumentation for Astronomy IV
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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