Study of the diffraction by the corner cube

Philippe Fuss; Carole Moussu; Paul Da Cunha; Stein Strandmoe

doi:10.1117/12.797438

27 September 2008 Study of the diffraction by the corner cube

Philippe Fuss, Carole Moussu, Paul Da Cunha, Stein Strandmoe

Author Affiliations +

Proceedings Volume 7100, Optical Design and Engineering III; 710015 (2008) https://doi.org/10.1117/12.797438
Event: Optical Systems Design, 2008, Glasgow, Scotland, United Kingdom

Abstract

Since April 2008, the International Space Station (ISS) is supplied by the Automated Transfer Vehicle (ATV) developed by EADS-Astrium for ESA. This ATV is the first entirely automated space docking system based on optical devices. Its guidance was possible thanks to a device of the ATV developed by EADS-SODERN and named Videometer (VDM). The VDM delivers range, line of sight (LOS) and attitude (among which roll) to the guidance and navigation system of the ATV from 300 meters to docking. During the development steps, tests and studies showed that the measurement of the ATV roll by VDM includes a bias due to the diffraction of the emitted light by corner-cube retroreflectors located on the ISS. The sign and the magnitude of this bias are linked with the distance ISS/ATV. Since the accuracy of the VDM measurements determine the quality of the docking, it was important to evaluate with precision this bias and and check that this bias is compatible with the required docking accuracy.

Citation Download Citation

Philippe Fuss, Carole Moussu, Paul Da Cunha, and Stein Strandmoe "Study of the diffraction by the corner cube", Proc. SPIE 7100, Optical Design and Engineering III, 710015 (27 September 2008); https://doi.org/10.1117/12.797438

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