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Design of a control system for interferometric fringe stabilization system with remote access

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Design of a control system for interferometric fringe stabilization 1.pdf (400.5Kb)
Date
2013-11-18
Author(s)
Espitia-Gómez, Javier
Ángel Toro, Luciano
Velásquez Prieto, Daniel
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Abstract
Abstract
Stability in a fringe pattern is a necessary condition in interferometric processes, such as holography, and not always is enough the use of passive stabilization systems, like holographic tables, in particular, when perturbations are caused by thermal or acoustic variations. For these cases, active systems are required. In this work it is presented the implementation of a control system for interferometric fringes stabilization. The interferometric arrangement characteristics are also discussed, which permits to act independently over each of the interferometer's arms by means of two piezoelectric actuators that change the length of the optical path of light that goes through, in order to perturb the system and simultaneously compensate this perturbation in real time. It is also shown that the proposed system allows evaluating the control system's performance subjected to diverse perturbations, and it is shown how remote access was given to the implemented platform. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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URI
http://hdl.handle.net/10784/2818
Source / Editor URL
8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications
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