Finite element formulation for self-writing of polymer optical fiber sensors

Aliesha D. Anderson; Kara J. Peters

doi:10.1117/12.776273

7 April 2008 Finite element formulation for self-writing of polymer optical fiber sensors

Aliesha D. Anderson, Kara J. Peters

Proceedings Volume 6933, Smart Sensor Phenomena, Technology, Networks, and Systems 2008; 69330X (2008) https://doi.org/10.1117/12.776273
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Several alternative fabrication methods for optical fiber sensors have recently been demonstrated including micro-machining, surface relief etching and self-writing of photopolymerizable resins. In this paper, a multi-physics finite element model of sensor self-generation through optical confinement in a photopolymerizable gel is presented that accounts for the dynamics of photopolymerization, and the opto-mechanical interactions of densification, residual strains, and strain-optic effects. In the future, this model will be applied to predict the geometry and index distribution of a micro-optical fiber sensor. The index of refraction and the material density of the photopolymerizable gel as a function of optical intensity and time will be experimentally determined to characterize the dynamics of the particular photopolymerizable resin and used as inputs for the finite element model.

Citation Download Citation

Aliesha D. Anderson and Kara J. Peters "Finite element formulation for self-writing of polymer optical fiber sensors", Proc. SPIE 6933, Smart Sensor Phenomena, Technology, Networks, and Systems 2008, 69330X (7 April 2008); https://doi.org/10.1117/12.776273

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