Development of a field-of-view scanning system (FoV-SS): test results and lessons learned

Miguel A. Esteves; Carlos Dominguez-Tagle; Jacinto Javier Vaz Cedillo; Olivier Grassin; Nauzet Vega Reyes; Felix Gracia Temich; Manuel Collados Vera

doi:10.1117/12.2313385

10 July 2018 Development of a field-of-view scanning system (FoV-SS): test results and lessons learned

Miguel A. Esteves, Carlos Dominguez-Tagle, Jacinto Javier Vaz Cedillo, Olivier Grassin, Nauzet Vega Reyes, Felix Gracia Temich, Manuel Collados Vera

Author Affiliations +

Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107066I (2018) https://doi.org/10.1117/12.2313385
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Here is presented the tests results and the lessons learnt concerning an opto-mechanical device to scan the GREGOR telescope field of view. The scanning is done by means of a set of mirrors and a mechanism which allows to keep the optical path length constant, regardless the portion of the field being scanned. This system is intended to feed a static image slicer used for solar observations. The tight level of tolerances required makes its design and tests a real challenging activity which produces a lot of unexpected lessons to learn. The story after the issues detection, the consequent root cause analysis, the additional tests and tools developed to study the phenomena, and the construction of the solutions and issue mitigation mechanisms provides a good background to elaborate some recommendations for future developments.

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Miguel A. Esteves, Carlos Dominguez-Tagle, Jacinto Javier Vaz Cedillo, Olivier Grassin, Nauzet Vega Reyes, Felix Gracia Temich, and Manuel Collados Vera "Development of a field-of-view scanning system (FoV-SS): test results and lessons learned", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107066I (10 July 2018); https://doi.org/10.1117/12.2313385

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KEYWORDS

Actuators

Manufacturing

Mechatronics

Mirrors

Control systems

Metrology

Tolerancing

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