Broadband Photoacoustic Spectroscopy Technique in 2 μm Wavelength Range for Sensing of Moisture and Carbon dioxide

Saran Kumar Krishnamoorthy

Presentation information

Oral Session

CLEO-PR2022 » Spectroscopy Sensors and Systems

[CFA17H] Spectroscopy Sensors and Systems

Fri. Aug 5, 2022 11:00 AM - 11:45 AM Room 104&105 (1F)

Session Chairs: Hideaki Haneishi (Chiba Univ.), Norimichi Tsumura (Chiba Univ.)

11:30 AM - 11:45 AM

[CFA17H-03] Broadband Photoacoustic Spectroscopy Technique in 2 μm Wavelength Range for Sensing of Moisture and Carbon dioxide

*Saran Kumar Krishnamoorthy¹, Ester Blesso Vidhya¹, Ramya Selvaraj², Satyanarayanan S¹, Nilesh J ¹ (1. IIT Madras (India), 2. NIT Raipur (India))

[Presentation Style] Onsite

Dual-wavelength, broadband photoacoustic technique is demonstrated for measurement of multiple gas species using a supercontinuum laser source. H₂O vapor and CO₂ measurements are demonstrated near 1920 and 2000 nm.