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Tuning refractive index sensing properties of micro-cavity in-line Mach-Zehnder interferometer with plasma etching
| Content Provider | Semantic Scholar |
|---|---|
| Author | Janik, Monika Koba, Marcin Bock, Wojtek J. Śmietana, Mateusz |
| Copyright Year | 2017 |
| Abstract | This work presents an application of reactive ion etching (RIE) for an effective tuning of the spectral response and the refractive-index (RI) sensitivity of the micro-cavity in-line Mach-Zehnder interferometer (μIMZI). The μIMZIs were fabricated using femtosecond laser micromachining in a standard single-mode fiber as a form circular holes with a diameter of 54 μm. The application of RIE with SF6 and O2 used as reactive gas allows for an efficient and well-controlled etching of the fabricated structure. The process resulted in cleaning the bottom of the micro-cavity and smoothening of its sidewalls. In transmission measurements, the effect of the plasma processing was observed as an increase in both spectral depths of the minima and RI sensitivity of the structure, as well as improved wettability of the micro-cavity surface, which made the measurements faster and easier. |
| Starting Page | 1 |
| Ending Page | 4 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.1117/12.2265755 |
| Alternate Webpage(s) | http://w3.uqo.ca/photonique/papers/Tuning%20refractive%20index%20sensing%20properties%20of%20micro-cavity%20in-line.pdf |
| Alternate Webpage(s) | https://doi.org/10.1117/12.2265755 |
| Journal | 2017 25th Optical Fiber Sensors Conference (OFS) |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
