Microsecond Optical Frequency Tuning of DFB Laser Diodes for Coherent Optical Frequency Domain Reflectometry
- Optical frequency tuning ranges up to 600 GHz or 4.8 nm have been achieved within microseconds and a standard telecom DFB laser diode operating at 1550 nm. The dynamic optical frequency tuning is induced by electrical current pulse injection and measured using an interferometric setup. Potentially, low-cost sensor systems based on optical coherence tomography (OCT) or coherent optical frequency domain reflectometry (c-OFDR) could be realized, achieving sub-mm two-point range resolution or even better single-point range precision within a few microseconds for a single measurement.
| Author: | Gregor Saur, Roman KruglovORCiD, Rainer EngelbrechtORCiD |
|---|---|
| DOI: | https://doi.org/10.5162/SMSI2020/C6.2 |
| ISBN: | 978-3-9819376-2-6 |
| Publisher: | AMA Service GmbH |
| Place of publication: | Wunstorf, Germany |
| Document Type: | conference proceeding (article) |
| Language: | English |
| Reviewed: | Begutachtet/Reviewed |
| Release Date: | 2024/11/20 |
| Tag: | Fiber sensing; Semiconductor lasers; Tunable lasers; Wavelength shift |
| Volume: | 2020 |
| Pagenumber: | 2 |
| First Page: | 189 |
| Last Page: | 190 |
| Konferenzangabe: | Sensor and Measurement Science International Conference 2020 |
| institutes: | Fakultät für Elektrotechnik Feinwerktechnik Informationstechnik |
| Polymer Optical Fiber Application Center | |
| Research Themes: | Materialien & Produktionstechnik |
| Licence (German): | Creative Commons - CC BY - Namensnennung 4.0 International |

