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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
Published on: July 29, 2013
Mode coupling in strained and unstrained step-index plastic optical fibers
Svetislav Savović1, Alexandar Djordjevich
1City University of Hong Kong, Kowloon, Hong Kong, China. savovic@kg.ac.yu
Applied Optics
|August 24, 2006
Summary
Strained plastic optical fibers exhibit significantly stronger mode coupling than unstrained fibers. This leads to shorter lengths required for achieving a steady-state mode distribution in strained fiber optics.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Plastic optical fibers (POFs) are widely used in various applications.
- Understanding mode coupling is crucial for optimizing signal transmission in optical fibers.
- Fiber strain can potentially alter optical properties.
Purpose of the Study:
- To investigate the impact of strain on mode coupling in step-index plastic optical fibers.
- To compare mode coupling characteristics between strained and unstrained POFs.
- To determine the effect of strain on the lengths required for steady-state mode distribution.
Main Methods:
- Utilized the power-flow equation to analyze mode coupling.
- Examined both strained and unstrained step-index plastic optical fibers.
- Quantified coupling lengths and lengths for steady-state mode distribution.
Main Results:
- Strained plastic optical fibers demonstrate significantly enhanced mode coupling compared to unstrained counterparts.
- The coupling lengths for equilibrium mode distribution are substantially reduced in strained fibers.
- Shorter fiber lengths are needed to achieve a steady-state mode distribution in the presence of strain.
Conclusions:
- Fiber strain is a critical factor that intensifies mode coupling in step-index plastic optical fibers.
- Strain-induced mode coupling accelerates the achievement of equilibrium mode distribution.
- These findings have implications for the design and application of POFs under mechanical stress.
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