Abstract
We present all-fiber resonating Fabry-Perot gas cells made with a piece of hollow-core photonic bandgap fiber (HCPBF) sandwiched by two single mode fibers with mirrored ends. A HC-PBF cavity made of 6.75-cm-long HC-1550-06 fiber achieved a cavity finesse of 128, corresponding to an effective optical path length of 5.5 m. Such HC-PBF cavities can be used as absorption cells for high sensitivity gas detection with fast response. Preliminary experiment with a 9.4-cm-long resonating gas cell with a finesse of 68 demonstrated a detection limit better than 7.5 p.p.m. acetylene.
| Original language | English |
|---|---|
| Title of host publication | 25th International Conference on Optical Fiber Sensors |
| Publisher | SPIE |
| Volume | 10323 |
| ISBN (Electronic) | 9781510610910 |
| DOIs | |
| Publication status | Published - 1 Jan 2017 |
| Event | 25th International Conference on Optical Fiber Sensors, OFS 2017 - Jeju, Korea, Republic of Duration: 24 Apr 2017 → 28 Apr 2017 |
Conference
| Conference | 25th International Conference on Optical Fiber Sensors, OFS 2017 |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Jeju |
| Period | 24/04/17 → 28/04/17 |
Keywords
- Cavity enhancement
- Fabry-Perot cavity
- Gas detection
- Hollow-core fiber
- Optical fiber sensor
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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