[CFA17H] Spectroscopy Sensors and Systems

[CFA17H-01] Differential Measurement of NH₃ and CO₂ in Gas Mixture with Photoacoustic Spectroscopy Technique using Supercontinuum Laser

*Mohammad Zaid¹, Saran Kumar¹, Esther Blesso Vidhya¹, Tiju Thomas¹, Nilesh J. Vasa¹ (1. Indian Institute of Technology Madras (India))

[Presentation Style] Onsite

Detection of NH₃ and CO₂ using photoacoustic spectroscopy is developed. For 1525 nm filter, cell resonance is observed at 830 Hz with intensity of 1.85 mV/A, Q-factor of 9.22 and NH₃ LDL of 7 ppb.