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Integration of polymer microlens array at fiber bundle extremity by photopolymerization
Xinhua Zeng1, Jérôme Plain, Safi Jradi
1Laboratoire de Nanotechnologie et d’Instrumentation Optique, ICD, Université de Technologie de Troyes, 12, Rue Marie Curie, 10000 Troyes France. xhzeng@iim.ac.cn
Optics Express
|March 30, 2011
Summary
Researchers developed a new method to create microlenses directly on optical fiber bundles using controlled photopolymerization. This technique enables precise lens integration for improved optical fiber applications.
Area of Science:
- Optics and Photonics
- Materials Science
- Microfabrication
Background:
- Optical fiber bundles are crucial for transmitting light in various applications.
- Integrating optical components at the fiber extremity can enhance performance but presents fabrication challenges.
Purpose of the Study:
- To present a novel method for direct integration of microlens arrays onto optical fiber bundle extremities.
- To investigate the influence of fabrication parameters on microlens properties.
- To analyze the optical performance of the integrated microlenses.
Main Methods:
- Photopolymerization technique applied directly at the fiber bundle end.
- Precise control over exposure dose and photopolymerizable formulation volume.
- Finite-Difference Time-Domain (FDTD) calculations for optical property analysis.
Main Results:
- Successful direct integration of microlens arrays at the fiber extremity.
- Demonstrated control over microlens formation through exposure dose and volume.
- Optical properties of the fabricated microlenses were characterized and analyzed.
Conclusions:
- The presented photopolymerization method offers a direct and controllable route for fabricating microlenses on optical fiber bundles.
- This technique has the potential to improve optical coupling and functionality in fiber optic systems.
- Further optical characterization and application-specific testing are warranted.

