Abstract
Fiber micro-knots are a promising and a cheap solution for advanced fiber-based sensors. We investigated complex fiber micro-knots in theory and experiment. We compared the measured spectral response and present an analytical study of simple micro-knots with double twists, twin micro-knots, figure-eight micro-knots, and tangled micro-knots. This research brings the simple fabrication process and robustness of fiber micro-knots into the world of complex resonators which may lead to novel optical devices based on fiber micro-knots.
| Original language | English |
|---|---|
| Article number | 1273 |
| Journal | Sensors |
| Volume | 18 |
| Issue number | 4 |
| DOIs | |
| State | Published - 20 Apr 2018 |
Bibliographical note
Publisher Copyright:© 2018 by the authors. Licensee MDPI, Basel, Switzerland.
Funding
Acknowledgments: This work was supported by an Israel Ministry of Science and Technology innovation in emerging applied and engineering research grant (MOST-16-010177808). This work was supported by an Israel Ministry of Science and Technology innovation in emerging applied and engineering research grant (MOST-16-010177808).
| Funders | Funder number |
|---|---|
| Israel Ministry of Science and Technology | MOST-16-010177808 |
| Ministry of science and technology, Israel |
Keywords
- Fiber micro-knot
- High-order fiber modes
- Long-period fiber grating
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