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Fabrication of multipoint side-firing optical fiber by laser micro-ablation.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Nguyen, Hoang Arnob, Masud Parvez Becker, Aaron T. Wolfe, John C. Hogan, Matthew K. Horner, Philip J. Shih, Wei-Chuan |
| Copyright Year | 2017 |
| Abstract | A multipoint, side-firing design enables an optical fiber to output light at multiple desired locations along the fiber body. This provides advantages over traditional end-to-end fibers, especially in applications requiring fiber bundles such as brain stimulation or remote sensing. This Letter demonstrates that continuous wave (CW) laser micro-ablation can controllably create conical-shaped cavities, or side windows, for outputting light. The dimensions of these cavities determine the amount of firing light and their firing angle. Experimental data show that a single side window on a 730 μm fiber can deliver more than 8% of the input light. This can be increased to more than 19% on a 65 μm fiber with side windows created using femtosecond laser ablation and chemical etching. Fine control of light distribution along an optical fiber is critical for various biomedical applications such as light-activated drug-release and optogenetics studies. |
| Starting Page | 1808 |
| Ending Page | 1811 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OL.42.001808 |
| PubMed reference number | 28454166 |
| Journal | Medline |
| Volume Number | 42 |
| Issue Number | 9 |
| Alternate Webpage(s) | http://nanobiophotonics.ee.uh.edu/resources/Journal-papers/side_firing-ol-42-9-1808.pdf |
| Alternate Webpage(s) | https://doi.org/10.1364/OL.42.001808 |
| Journal | Optics letters |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
