The measuring apparatus research for BigBOSS fiber-positioner

Zengxiang Zhou; Michael Sholl; Christoph Schenk; Joe Silber; Chris Bebek; Chao Zhai

doi:10.1117/12.925103

24 September 2012 The measuring apparatus research for BigBOSS fiber-positioner

Zengxiang Zhou, Michael Sholl, Christoph Schenk, Joe Silber, Chris Bebek, Chao Zhai

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84465Q (2012) https://doi.org/10.1117/12.925103
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

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.

Citation Download Citation

Zengxiang Zhou, Michael Sholl, Christoph Schenk, Joe Silber, Chris Bebek, and Chao Zhai "The measuring apparatus research for BigBOSS fiber-positioner", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84465Q (24 September 2012); https://doi.org/10.1117/12.925103

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