Design and performances of an optical metrology system to test position and tilt accuracy of fiber positioners

Luzius Kronig; Philipp Hörler; Jean-Paul Kneib; Mohamed Bouri

doi:10.1117/12.2313982

10 July 2018 Design and performances of an optical metrology system to test position and tilt accuracy of fiber positioners

Luzius Kronig, Philipp Hörler, Jean-Paul Kneib, Mohamed Bouri

Author Affiliations +

Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107066B (2018) https://doi.org/10.1117/12.2313982
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

This paper describes the design of an optical metrology system for fiber positioners. The system can be used for accurate calibration and verification of fiber positioners with SCARA-like RR planar kinematics. It is capable of measuring accurately the absolute position and tilt of the fiber tip over the whole workspace of the positioner. The metrology system works by back illuminating the optical fiber of the positioner with a laser. The position and tilt of the exiting cone at the tip of the fiber is measured with two optical cameras.

Citation Download Citation

Luzius Kronig, Philipp Hörler, Jean-Paul Kneib, and Mohamed Bouri "Design and performances of an optical metrology system to test position and tilt accuracy of fiber positioners", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107066B (10 July 2018); https://doi.org/10.1117/12.2313982

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