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Optical fiber end preparation using a CO(2) laser.

K Kinoshita, K Egashira

|March 4, 2010

Summary

This summary is machine-generated.

A novel carbon dioxide (CO2) laser method creates superior fiber optic ends. This technique achieves low coupling and splice losses for multimode fibers without index-matching fluid.

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Area of Science:

Optics and Photonics
Materials Science

Background:

High-quality fiber optic endfaces are crucial for minimizing signal loss in optical communication systems.
Traditional fiber cleaving methods can introduce imperfections, leading to increased coupling and splice losses.

Purpose of the Study:

To introduce and evaluate a new method for preparing fiber optic endfaces using a carbon dioxide (CO2) laser.
To quantify the performance of fibers prepared with this CO2 laser technique in terms of coupling and splice losses.

Main Methods:

Exposing optical fibers to a focused CO2 laser beam.
Fracturing the laser-exposed fiber by applying tensile stress to create the endface.
Fusing prepared fiber ends using the CO2 laser for splicing.

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Main Results:

Achieved average coupling losses of 0.35 dB for both step-index and graded-index multimode fibers without index-matching fluid.
Attained average splice losses of 0.05-0.06 dB when fiber ends were fused with the CO2 laser.

Conclusions:

The CO2 laser method provides a reliable technique for producing high-quality fiber optic endfaces.
This method significantly reduces coupling and splice losses, enhancing optical fiber performance.