2011•Unpublished venueRequires access

Detection of CO2 Using Diode-Laser Absorption near 1.573µM in Combustion Gases

Tingdong Cai, Guangzhen Gao

Abstract

A tunable diode-laser sensor based on CO2absorption near 1.573μm is developed for high-resolution absorption measurements of CO2concentration. The concentration is inferred from the WMS-lf-normalized absorption-based WMS-2f signal peak height of a CO2absorption line near 6357.311 cm-1. The measurement is first performed in a controlled static cell. A burner experiment is also conducted to confirm the potential utility of the system for combustion diagnose.

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Key concepts: Absorption (acoustics), Diode, Laser, Analytical Chemistry (journal), Combustion, Materials science, Chemistry, Physics