Related Experiment Video
Updated: Jun 16, 2026
08:48
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Optical fiber splicing with a low-power CO(2) laser
Applied Optics
|February 20, 2010
Summary
Researchers achieved low loss splicing of silica fibers using a carbon dioxide (CO2) laser. This method resulted in highly reproducible, low-loss fiber splices, demonstrating its effectiveness for optical applications.
Area of Science:
- Optics and Photonics
- Materials Science
- Laser Technology
Background:
- Fiber optic splicing is crucial for telecommunications and sensing.
- Traditional splicing methods can introduce significant signal loss.
- Developing low-loss, reproducible splicing techniques is an ongoing challenge.
Purpose of the Study:
- To demonstrate low loss splicing of silica fibers using a carbon dioxide (CO2) laser.
- To evaluate the reproducibility and loss characteristics of CO2 laser-induced fiber splices.
Main Methods:
- Utilized a 5-W CO2 laser, with a chopped beam effectively at 2.3 W and 1.0 mm spot diameter.
- Spliced step-index silica fibers (56 µm core, 154 µm outer diameter).
- Moved the laser beam across fiber ends at 10 µm/sec, ensuring tight fiber contact before fusion.
Main Results:
- Achieved low loss splicing with 90% of 21 splices exhibiting losses < 0.12 dB.
- Recorded a minimum splice loss of 0.02 dB.
- Demonstrated good reproducibility of low loss splices through tight fiber contacting.
Conclusions:
- CO2 laser splicing is an effective method for achieving low loss in silica fibers.
- The technique offers high reproducibility, crucial for practical fiber optic applications.
- Optimized parameters, including beam power and fiber contact, contribute to splice quality.
