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Design and Fabrication of an Optical Fiber Made of Water

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Zerob-irefringence optical-fiber holder.

F Maystre, A Bertholds

|September 10, 2009

Summary

Researchers investigated how pressing a single-mode fiber into a V groove induces birefringence. They found an optimal groove angle of approximately 55 degrees minimizes this effect in hard steel grooves.

Area of Science:

Optics and Photonics
Materials Science

Background:

Birefringence in optical fibers can degrade signal quality.
Controlling induced birefringence is crucial for fiber optic applications.

Purpose of the Study:

To theoretically and experimentally investigate birefringence induced in a single-mode fiber pressed into a V groove.
To determine the optimal V groove angle that minimizes induced birefringence.

Main Methods:

Theoretical analysis of stress-optic effects in optical fibers.
Experimental measurements of induced birefringence under varying V groove angles.
Parameter analysis including groove angle and coefficient of static friction.

Main Results:

The V groove angle and coefficient of static friction are key parameters influencing induced birefringence.

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An optimal groove angle of approximately 55 degrees was identified for hard steel grooves.

This angle minimizes the birefringence induced in the fiber core.

Conclusions:

The study provides a method to control and minimize fiber optic birefringence.
Optimal V groove design is essential for maintaining signal integrity in specific fiber optic applications.
Findings are relevant for the precise manufacturing and application of optical fibers.