Compact silicon photonic refractometric sensor for atmospheric CO2 gas monitoring
- Resource Type
- Conference
- Authors
- Mi, Guangcan; Horvath, Cameron; Aktary, Mirwais; Van, Vien
- Source
- 2015 IEEE Photonics Conference (IPC) Photonics Conference (IPC), 2015. :619-620 Oct, 2015
- Subject
- Photonics and Electrooptics
Sensitivity
Polymers
Optical resonators
Refractive index
Monitoring
Temperature sensors
- Language
- ISSN
- 1092-8081
We report the first integrated refractometric sensor capable of detecting atmospheric CO 2 gas concentration levels. The sensor employs a microring resonator functionalized with a guanidine polymer and can detect CO 2 concentrations down to 250ppm with a 25ppm resolution.