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Conferences > LACSEA > 2012 > LT6B > LT6B.5

Trace NO2 Detection Using Frequency Modulated Off-Axis Cavity Ring-Down Spectroscopy

Andreas Karpf and Gottipaty N. Rao

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Abstract

Trace detection of NO2 at ppb-level is demonstrated using a vibration-insensitive variation of cavity ring-down spectroscopy. Modulating the laser frequency and off-axis alignment simplify the detector making it more suitable for in-situ monitoring.

© 2012 Optical Society of America

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