Low-concentration detection of CO2 using suspended silicon waveguides in the mid-IR
| Autor: | Pen-Sheng Lin, Arne Quellmalz, Po-Han Huang, Shayan Parhizkar, Nour Negm, Stephan Suckow, Floria Ottonello-Briano, Max C. Lemme, Frank Niklaus, Kristinn B. Gylfason |
|---|---|
| Rok vydání: | 2022 |
| Zdroj: | CLEO: Science and Innovations SF4O. 1 Conference on Lasers and Electro-Optics |
| DOI: | 10.1364/cleo_si.2022.sf4o.1 |
| Popis: | We show detection of CO2 concentrations as low as 500 ppm using a suspended silicon photonic mid-IR waveguide. The performance is enabled by the low propagation loss (2.35 ± 0.25) dB/cm permitting sensing with waveguides up to 7 cm in length. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|