30 January 2012 Control system for optic-fiber coating process based on photoelastic effects
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Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510P (2012) https://doi.org/10.1117/12.915691
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia
Abstract
The coating process, of optic-fibers into a polymer matrix is a very difficult and delicate process due to the fragility of the fibers, which can get broken by the stresses and temperature imposed during processing. In this paper we introduce a new control system which is based on measurement of specific power changes in the laser transmitted signal thought the fiber. Those changes are produced by mechanical or thermal stresses on the fiber during processing. Those stresses normally generated by photoelastic effects on the fiber when it is pulled or heated, changing its optical properties. By a meticulous characterization of those effects we are able to establish a real time control system for the coating process, avoiding the deformation or even breaking of the fiber during coating.
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Alejandro Hernández, Alejandro Hernández, Victor Velasco, Victor Velasco, Miguel Orozco, Miguel Orozco, Alfredo Márquez, Alfredo Márquez, } "Control system for optic-fiber coating process based on photoelastic effects", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510P (30 January 2012); doi: 10.1117/12.915691; https://doi.org/10.1117/12.915691
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